Open Educational Resources for Teaching and Learning English as Second Language which can be reused, modified, and shared and that provide unconstrained materials for the benefit and the enjoyment of others.
https://books4languages.com
Shall is a modal verb used in question form to ask for instructions or for formulating requests in a polite way.
https://open.books4languages.com/english-a2-grammar/chapter/questions-with-shall/
A question tag is a small question at the end of a sentence which is used to check information, ask for confirmation (negative tag) or agreement (positive tag).
https://open.books4languages.com/english-a2-grammar/chapter/question-tags-formation/
Wh- questions always begin with one of the wh- question words (interrogative pronouns), which show what kind of information is wanted {see Wh- Questions, A1 Level}.
We can also use them to ask questions about the past.
https://open.books4languages.com/english-a2-grammar/chapter/wh-questions-in-past-form/
Wh- questions always begin with one of the wh- question words (interrogative pronouns), which show what kind of information is wanted {see Wh- Questions, A1 Level}.
The pronoun who is used to ask about the subject of the action.
https://open.books4languages.com/english-a2-grammar/chapter/wh-questions-words-who/
A phrasal verb is a two-part verb formed by a verb and a particle. The particle usually gives a whole new meaning to the verb.
https://open.books4languages.com/english-a2-grammar/chapter/phrasal-verbs/
Prepositional phrases are the result of the combination of the prepositions and other elements of the sentence (verbs) {see Prepositional Phrases, A1 Level}.
A prepositional verb is every verb followed by a preposition.
https://open.books4languages.com/english-a2-grammar/chapter/prepositional-phrases/
Prepositions are essential because they provide additional details about the sentence.
Adjectives are determiners that can be placed in two different positions within a sentence to modify or describe a person or a thing. Certain adjectives are used only with specific prepositions.
https://open.books4languages.com/english-a2-grammar/chapter/common-adjective-and-preposition-combinations/
Determiners are modifiers of nouns. They can provide information about which and how much/many people, things, animals, places… we are talking about.
Quantitative determiners or quantifiers are used to indicate the quantity of something {see Quantitative Determiners, A1 Level}.
https://open.books4languages.com/english-a2-grammar/chapter/quantitative-determiners/
Adverbs are expressions that function as modifiers of other elements in the clause. They can provide a wide range of information.
Adverbs of degree are used to provide information about the intensity of an action or adjective {see Adverbs of Degree, A1 Level}.
Intensifiers and mitigators are part of adverbs of degree.
https://open.books4languages.com/english-a2-grammar/chapter/intensifiers-and-mitigators/
Comparisons with adjectives and adverbs are used to compare things, people or actions, expressing the equalities or inequalities between them.
The comparative of equality (as…as clause) is used for the same purpose.
{see Comparisons with Adjectives and Adverbs, A1 level}
https://open.books4languages.com/english-a2-grammar/chapter/comparatives-clauses-as-as/
Prepositions are small words that connect elements in a sentence. They are essential because they provide additional details about the sentence.
Prepositions of possession are used to express that something belongs to a person, animal or thing.
https://open.books4languages.com/english-a2-grammar/chapter/prepositions-of-possession/
Prepositions are small words that connect elements in a sentence. They are essential because they provide additional details about the sentence.
Prepositions of method and manner are used to explain in what way something is done.
https://open.books4languages.com/english-a2-grammar/chapter/prepositions-of-method-and-manner/
Prepositions are small words that connect elements in a sentence. They are essential because they provide additional details about the sentence.
We use the prepositions of place to locate an event in space.
https://open.books4languages.com/english-a2-grammar/chapter/prepositions-of-place-extension/
Adverbs are expressions that function as modifiers of other elements in the clause. They can provide a wide range of information.
Adverbs of place provide information about the place of an action.
https://open.books4languages.com/english-a2-grammar/chapter/adverbs-of-place/
Adverbs are expressions that function as modifiers of other elements in the clause. They can provide a wide range of information.
Adverbs of degree or intensifiers are used to provide information about the intensity of an action or adjective {see Adverbs of Degree, A1 level}.
https://open.books4languages.com/english-a2-grammar/chapter/adverbs-of-degree/
Adverbs are expressions that function as modifiers of other elements in the clause. They can provide a wide range of information.
Adverbs of manner are used to provide information about the way (how) something is done.
https://open.books4languages.com/english-a2-grammar/chapter/adverbs-of-manner/
Adverbs are expressions that function as modifiers of other elements in the clause. They can provide a wide range of information.
https://open.books4languages.com/english-a2-grammar/chapter/adverbs-formation/
So that and so…that are two different, though similar, constructions which express different things.
So that highlights the consequences of an action or purpose. So…that shows extremes leading to certain results.
https://open.books4languages.com/english-a2-grammar/chapter/so-that-vs-so-that/
One and ones are replacing words that are used to avoid repetition.
https://open.books4languages.com/english-a2-grammar/chapter/one-and-ones/
A modal verb is a type of auxiliary (helping) verb that has no meaning on its own but it modifies the main verb, changes its meaning and gives more details about the action.
May is a type of auxiliary modal verb used to express the possibility for something to happen and also to ask for or give permission.
https://open.books4languages.com/english-a2-grammar/chapter/may-modals-of-possibility/
A modal verb is a type of auxiliary (helping) verb that has no meaning on its own but it modifies the main verb, changes its meaning and gives more details about the action.
Could is the past form of the modal verb can. These are types of modal auxiliary verbs used to express the idea of ability or permission {see Can: Modals of Ability, A1 Level}.
https://open.books4languages.com/english-a2-grammar/chapter/can-and-could-modals-of-ability/
Like as a verb is used to express things we enjoy and take pleasure in.
The preposition like is used to make a comparison between two similar or identical things or ideas.
https://open.books4languages.com/english-a2-grammar/chapter/comparisons-with-like/
Like as a verb is used to express things we enjoy and take pleasure in.
Like can also be used as a preposition to make questions.
https://open.books4languages.com/english-a2-grammar/chapter/questions-with-like/
Both should and ought to belong to the group of auxiliary modal verbs that have no meaning on their own but they modify the main verb, change its meaning and give more details about the action.
Should and ought to are used to express obligation and duty through advice or recommendations.
https://open.books4languages.com/english-a2-grammar/chapter/should-vs-ought-to/
A modal verb is a type of auxiliary (helping) verb that has no meaning on its own but it modifies the main verb, changes its meaning and gives more details about the action.
Ought to is a type of auxiliary modal verb used to express obligation and duty through advice or recommendations.
https://open.books4languages.com/english-a2-grammar/chapter/ought-to-modal-auxiliary-verb/
A modal verb is a type of auxiliary (helping) verb that has no meaning on its own but it modifies the main verb, changes his meaning and gives more details about the action.
Should is a type of auxiliary modal verb used to express obligation and duty through advice or recommendations.
https://open.books4languages.com/english-a2-grammar/chapter/should-modal-auxiliary-verb/
Pronouns are words used to avoid repetitions of a noun.
Indefinite pronouns do not refer to any specific person, thing or amount.
Something refers to objects with unspecified quantity while nothing refers to absent objects.
https://open.books4languages.com/english-a2-grammar/chapter/indefinite-pronouns-something-and-nothing/
A modal verb is a type of auxiliary (helping) verb that has no meaning on its own but it modifies the main verb, changes its meaning and gives more details about actions.
Have to is a type of auxiliary modal verb used to express certainty, necessity or strong obligation which comes from outside, from external factors.
https://open.books4languages.com/english-a2-grammar/chapter/have-to-modals-of-obligation/
A modal verb is a type of auxiliary (helping) verb that has no meaning on its own but it modifies the main verb, changes its meaning and gives more details about the action.
Must is a type of auxiliary modal verb used to express certainty, necessity or strong obligation which doesn’t come from outside, it’s a personal opinion. It also expresses prohibition in the negative form.
https://open.books4languages.com/english-a2-grammar/chapter/must-modals-of-obligation/
Prepositions are small words that connect elements in a sentence. They are essential because they provide additional details about the sentence.
We use prepositions of place to locate an event in a space frame {see Common Prepositions of Time and Place, A1 level}.
https://open.books4languages.com/english-a2-grammar/chapter/prepositions-of-place/
Prepositions are small words that connect elements in a sentence. They are essential because they provide additional details about the sentence.
We use prepositions of movement to express movement or directions.
https://open.books4languages.com/english-a2-grammar/chapter/prepositions-of-movement/
Prepositions are small words that connect elements in a sentence. They are essential because they provide additional details about the sentence.
We use prepositions of time to locate an event in a time frame {see Common Prepositions of Time and Place, A1 level}.
https://open.books4languages.com/english-a2-grammar/chapter/prepositions-of-time/
Nouns refer to a person, place, thing, event, substance or quality.
Invariant nouns are nouns which have the same singular and plural form.
https://open.books4languages.com/english-a2-grammar/chapter/invariant-plural-nouns/
A few/a little and few/little are quantifiers which mean not enough or some/enough.
https://open.books4languages.com/english-a2-grammar/chapter/a-few-vs-a-little-and-few-vs-little/
Nouns refer to a person, place, thing, event, substance or quality.
Uncountable nouns are nouns which cannot be counted easily or what we refer to as a mass {see Countable and Uncountable Nouns, A1 level}.
https://open.books4languages.com/english-a2-grammar/chapter/uncountable-nouns/
We can use the to-infinitive structure to express someone’s purpose (the reason or the aim of an action).
https://open.books4languages.com/english-a2-grammar/chapter/the-infinitive-of-purpose/
There are some verbs that need to be followed by a gerund or infinitive.
https://open.books4languages.com/english-a2-grammar/chapter/verbs-followed-by-gerunds-and-infinitives/
Adjectives are determiners that can be placed in two different positions within a sentence to modify or describe a person or a thing.
Adjectives can be used with active or passive voice.
https://open.books4languages.com/english-a2-grammar/chapter/active-and-passive-adjectives/
To be used to is a structure used to express habits and customs that are familiar to us.
The interrogative form is used to ask questions about the subject’s customs.
https://open.books4languages.com/english-a2-grammar/chapter/to-be-used-to-interrogative/
To be used to is a structure used to express habits and customs that are familiar to us.
When expressed in its negative form, the verb denies that the subject has some customs.
https://open.books4languages.com/english-a2-grammar/chapter/to-be-used-to-negative/
To be used to is a structure used to express habits and customs that are familiar to us.
When expressed in its affirmative form, the verb confirms that the subject has some customs.
https://open.books4languages.com/english-a2-grammar/chapter/to-be-used-to-affirmative/
Temporal clauses are part of the adverbial clauses which are composed of independent and dependent clauses, linked by connectors. The connectors of temporal clauses refer to a specific point in time.
https://open.books4languages.com/english-a2-grammar/chapter/temporal-subordinate-clauses/
Adverbs are nouns that function as modifiers of other elements of the clause. They can provide a wide range of information.
Adverbs of frequency are used to provide information about the frequency of an event {see Adverbs of Frequency, A1 level}.
https://open.books4languages.com/english-a2-grammar/chapter/adverbs-of-frequency/
Adverbs are nouns that function as modifiers of other elements of the clause. They can provide a wide range of information.
Adverbs of time are used to provide information about the time.
https://open.books4languages.com/english-a2-grammar/chapter/adverbs-of-time/
A conditional sentence is usually composed of two parts: the if-clause (or conditional clause) that expresses the condition, and the main clause that expresses the consequence of that condition.
First conditional is used to express future conditions and consequences or to express something that is possible to happen.
https://open.books4languages.com/english-a2-grammar/chapter/first-conditional/
A conditional sentence is usually composed of two parts: the if-clause (or conditional clause) that expresses the condition, and the main clause that expresses the consequence of that condition.
We use the zero conditional structure when the result of the condition is always true.
https://open.books4languages.com/english-a2-grammar/chapter/zero-conditional/
The past continuous (or progressive) is the tense used to express situations that take place in the past and were in progress at any moment during a period of time.
When expressed in its interrogative form, it is used to make questions about things that were happening in a past period of time.
https://open.books4languages.com/english-a2-grammar/chapter/past-continuous-interrogative/
The past continuous (or progressive) is the tense used to express situations that occurred in the past and were in progress at any moment during a period of time.
When expressed in its negative form, the verb denies that something was happening in a past period of time.
https://open.books4languages.com/english-a2-grammar/chapter/past-continuous-negative/
The past continuous (or progressive) is the tense used to express situations that occurred in the past and were in progress at any moment during a period of time.
When expressed in its affirmative form, the verb confirms that something was happening in a past period of time.
https://open.books4languages.com/english-a2-grammar/chapter/past-continuous-affirmative/
Pronouns are words used to avoid repetitions of a noun {see Subject Pronouns, A1 Level}.
Relative pronouns are used to introduce relative clauses. They refer to place and time by replacing the subject expressed in the main clause to avoid the repetition of it in the relative clauses {see Relative Pronouns, A1 Level}.
https://open.books4languages.com/english-a2-grammar/chapter/relative-pronouns-of-place-and-time/
Pronouns are words used to avoid repetitions of a noun {see Subject Pronoums, A1 Level}.
Relative pronouns are used to introduce relative clauses. They refer to people or things by replacing the subject expressed in the main clause to avoid the repetition of it in the relative clause {see Relative Pronouns, A1 level}.
https://open.books4languages.com/english-a2-grammar/chapter/relative-pronouns-of-people-and-things/
Pronouns are words used to avoid repetitions of a noun {see Subject Pronouns, A1 Level}.
Reflexive pronouns are used to emphasise the subject of the sentence.
https://open.books4languages.com/english-a2-grammar/chapter/reflexive-pronouns/
The future is the tense used to predict or express future events.
We use the future simple to express spontaneous decisions, opinions and hopes {see Future Simple, A2 level}.
Be going to is used to express intentions for the future and make previsions based on signs we see at that moment {see Be going to, A1 level}.
https://open.books4languages.com/english-a2-grammar/chapter/future-with-will-or-be-going-to/
Be going to is a structure that refers to the future {see Be going to, A1 level}.
https://open.books4languages.com/english-a2-grammar/chapter/be-going-to/
The future is the tense used to predict or express future events.
When we use the present continuous structure we refer to fixed plans {see Present continuous, A1 Level}.
https://open.books4languages.com/english-a2-grammar/chapter/present-continuous-for-future/
The future is the tense used to express future events. We use the future simple structure to introduce predictions, beliefs or intentions about the future.
When expressed in its interrogative form, it is used to ask questions.
https://open.books4languages.com/english-a2-grammar/chapter/future-simple-interrogative/
The future is the tense used to express future events. We use the future simple structure to introduce predictions, beliefs or intentions about the future.
When expressed in its negative form, the verb denies something about the subject.
https://open.books4languages.com/english-a2-grammar/chapter/future-simple-negative/
The future is the tense used to express future events. We use the future simple structure to introduce predictions, beliefs or intentions about the future.
When expressed in its affirmative form, the verb confirms something about the subject.
https://open.books4languages.com/english-a2-grammar/chapter/future-simple-affirmative/
The present perfect is used to express completed actions which have occurred in the past, but are connected to the present and still have effects on it {see Present Perfect, A2 Level}.
The past simple is used to express situations that occurred and concluded in the past {see Past Simple, A1 Level}.
Present perfect and Past simple are different in form and meaning.
https://open.books4languages.com/english-a2-grammar/chapter/present-perfect-vs-past-simple/
Prepositions are small words that are related to another element in the sentence. They are essential because they provide additional details about the sentence by locating events, people, and objects in a place and time.
To locate an event in a time frame and add information about its duration, we use the prepositions for and since.
https://open.books4languages.com/english-a2-grammar/chapter/for-and-since-with-present-perfect/
Adverbs are expressions that function as modifiers of other elements in the clause. They can provide a wide range of information.
Time adverbs are often used with the present perfect and function as modifiers of other elements in the clause.
https://open.books4languages.com/english-a2-grammar/chapter/time-adverbs-with-present-perfect/
The Past participle is a verb that is used to form other tenses (such as the present perfect).
Many past participle forms of verbs are irregular.
https://open.books4languages.com/english-a2-grammar/chapter/past-participle/
The present perfect is a tense used to express completed actions which have occurred in the past, are connected to the present and still have effects on it.
When expressed in its interrogative form, the verb is used to ask questions.
https://open.books4languages.com/english-a2-grammar/chapter/present-perfect-interrogative/
The present perfect is a tense used to express completed actions which have occurred in the past, are connected to the present and still have effects on it.
When expressed in its negative form, the verb denies something about the subject.
https://open.books4languages.com/english-a2-grammar/chapter/present-perfect-negative/
The present perfect is a tense used to express completed actions which have occurred in the past, are connected to the present and still have effects on it.
When expressed in its affirmative form, the verb confirms something about the subject.
https://open.books4languages.com/english-a2-grammar/chapter/present-perfect-affirmative/
This book is the Grammar part of the A2 level of the practical guide for learning English as a second language. It forms a part of book series Books for languages. It is fully written in English and it serves as a base for the adaptation to different mother tongues. Starting from an integrated curriculum of languages, we offer an eclectic system with a distribution of contents based on the need of learning objects.
English Grammar A1 Level: Conjunctions are words that function as a link between different clauses or elements in sentences.
https://open.books4languages.com/english-a1-grammar/chapter/conjunctions-and-but-because-when
English Grammar A1 Level: The imperative is a structure used to give an order or command.
https://open.books4languages.com/english-a1-grammar/chapter/imperative-mood
English Grammar A1 Level: Wh- questions always begin with one of the wh- question words (interrogative pronouns), which show what kind of information is wanted.
https://open.books4languages.com/english-a1-grammar/chapter/wh-questions
English Grammar A1 Level: Yes or no questions are also called closed questions or polar questions because the answer to them can only be yes or no.
The answers to closed questions are called short answers.
https://open.books4languages.com/english-a1-grammar/chapter/yes-or-no-questions
English Grammar A1 Level: We use the verbs like, love and hate to express positive (love or like) or negative (hate) feelings about something.
https://open.books4languages.com/english-a1-grammar/chapter/like-love-hate
English Grammar A1 Level: Would like is used to express requests or offers more politely.
https://open.books4languages.com/english-a1-grammar/chapter/would-like
English Grammar A1 Level: Like, as a verb, is used to express things we enjoy and take pleasure in.
https://open.books4languages.com/english-a1-grammar/chapter/like
English Grammar A1 Level: Pronouns are words used to avoid repetitions of a noun.
Object pronouns are pronouns which are used as an object of a verb or a preposition or as replacement for objects to avoid repetitions.
https://open.books4languages.com/english-a1-grammar/chapter/object-pronouns
English Grammar A1 Level: Pronouns are words used to avoid repetitions of a noun.
Relative pronouns are used to introduce relative clauses.
https://open.books4languages.com/english-a1-grammar/chapter/relative-pronouns-of-people-and-things
English Grammar A1 Level: Pronouns are words used to avoid repetitions of a noun
Demonstrative pronouns are determiners used instead of nouns to refer to things and identify their position and distance from the speaker.
https://open.books4languages.com/english-a1-grammar/chapter/demonstrative-pronouns
English Grammar A1 Level: Comparisons with adjectives and adverbs are used to compare things, people or actions, expressing the equalities or inequalities between them.
https://open.books4languages.com/english-a1-grammar/chapter/comparisons-with-adjectives-and-adverbs
English Grammar A1 Level: Superlative adjectives/adverbs are used to make a comparison between things, people or actions, expressing the superiority of one thing, person or action which has a higher level of a particular quality.
https://open.books4languages.com/english-a1-grammar/chapter/superlatives-with-adjectives-and-adverbs
English Grammar A1 Level: Pronouns are words used to avoid repetitions of a noun.
Possessive pronouns are determiners used to show that one thing belongs to someone.
https://open.books4languages.com/english-a1-grammar/chapter/possessive-pronouns
English Grammar A1 Level: Adjectives are determiners that can be placed in two different positions within a sentence to modify or describe a person or a thing.
Demonstrative adjectives are used to place objects in space and identify their position.
https://open.books4languages.com/english-a1-grammar/chapter/demonstrative-adjectives
English Grammar A1 Level: Adjectives are determiners that can be placed in two different positions within a sentence to modify or describe a person or a thing.
Possessive adjectives are used to show that something belongs to someone.
https://open.books4languages.com/english-a1-grammar/chapter/possessive-adjectives
English Grammar A1 Level: Comparatives are used to compare two things, people or actions while superlatives express the superiority of one thing, person or action.
There are some adjectives and adverbs with irregular comparatives and superlatives.
https://open.books4languages.com/english-a1-grammar/chapter/irregular-comparatives-and-superlatives
English Grammar A1 Level: Adverbs are words that function as modifiers of sentences, clauses or various elements of clauses. They can provide a wide range of information.
Adverbs of degree are used to provide information about the intensity of an action or adjective.
https://open.books4languages.com/english-a1-grammar/chapter/adverbs-of-degree
English Grammar A1 Level: Adverbs are words that function as modifiers of sentences, clauses or various elements of clauses. They can provide a wide range of information.
Adverbs of frequency are used to give information about the frequency of an event.
https://open.books4languages.com/english-a1-grammar/chapter/adverbs-of-frequency
English Grammar A1 Level: Ordinal numbers express numerical sequences, positioning elements in a list.
https://open.books4languages.com/english-a1-grammar/chapter/ordinal-numbers
English Grammar A1 Level: Prepositional phrases are the result of the combination of a preposition and other elements of the sentence (nouns, pronouns, gerunds…).
https://open.books4languages.com/english-a1-grammar/chapter/prepositional-phrases
English Grammar A1 Level: Prepositions are small words that connect elements in a sentence. They are essential because they provide additional details about the sentence by locating events, people and objects in a time and place.
https://open.books4languages.com/english-a1-grammar/chapter/common-prepositions-of-time-and-place
English Grammar A1 Level: Be going to is a structure that refers to the future.
https://open.books4languages.com/english-a1-grammar/chapter/be-going-to
English Grammar A1 Level: How many is used to ask questions about the quantity of a countable noun.
How much is used to ask questions about the quantity of an uncountable noun.
https://open.books4languages.com/english-a1-grammar/chapter/how-many-and-how-much
English Grammar A1 Level: A modal verb is a type of auxiliary (helping) verb that has no meaning on its own but it modifies the main verb, changes its meaning and gives more details about the action.
The verb do is an auxiliary verb used in negative or interrogative sentence.
https://open.books4languages.com/english-a1-grammar/chapter/do-auxiliary-verb
English Grammar A1 Level: The verb to be is essential in grammar. It is an auxiliary verb and it is one of the irregular verbs.
To express situations that occurred in the past and have now concluded, we use the past tense of the verb.
https://open.books4languages.com/english-a1-grammar/chapter/past-simple-of-to-be
English Grammar A1 Level: The past simple is the tense used to express situations that occurred in the past and have now concluded.
Many common verbs have irregular past forms.
https://open.books4languages.com/english-a1-grammar/chapter/past-simple-of-irregular-verbs
English Grammar A1 Level: The past simple is the tense used to express situations, events and actions that happened in the past.
When expressed in its interrogative form, it is used to ask questions about the past.
https://open.books4languages.com/english-a1-grammar/chapter/past-simple-interrogative
English Grammar A1 Level: The past simple is the tense used to express situations, events and actions that happened in the past.
When expressed in its negative form, the verb denies something about the subject.
https://open.books4languages.com/english-a1-grammar/chapter/past-simple-negative
English Grammar A1 Level: The past simple is the tense used to express situations, events and actions that happened in the past.
When expressed in its affirmative form, the verb confirms something about the subject.
https://open.books4languages.com/english-a1-grammar/chapter/past-simple-affirmative
English Grammar A1 Level: The present continuous (or progressive) is the tense used to express situations that are happening now (before, during and after the moment of speaking).
When expressed in its interrogative form, it is used to form questions about something that is happening now.
https://open.books4languages.com/english-a1-grammar/chapter/present-continuous-interrogative
English Grammar A1 Level: The present continuous (or progressive) is the tense used to express situations that are happening now (before, during and after the moment of speaking).
When expressed in its negative form, the verb denies that something is happening now.
https://open.books4languages.com/english-a1-grammar/chapter/present-continuous-negative
English Grammar A1 Level: The present continuous (or progressive) is the tense used to express situations that are happening now (before, during and after the moment of speaking).
When expressed in its affirmative form, the verb confirms that something is happening now.
https://open.books4languages.com/english-a1-grammar/chapter/present-continuous-affirmative
English Grammar A1 Level: The possessive case is used to talk about things that belong to a person or animal. We can even use it to show that one thing belongs to another.
https://open.books4languages.com/english-a1-grammar/chapter/possessive-case
English Grammar A1 Level: A modal verb is a type of auxiliary (helping) verb that has no meaning on its own but it modifies the main verb, changes its meaning and gives more details about the action.
The verb would is a modal verb used to express willingness in the past, polite request, preferences/desires, offers and invitations.
https://open.books4languages.com/english-a1-grammar/chapter/would-modals-of-ability
English Grammar A1 Level: A modal verb is a type of auxiliary (helping) verb that has no meaning on its own but it modifies the main verb, changes its meaning and gives more details about the action.
The verb can is a modal verb used to express the idea of ability or opportunity, to express the possibility or impossibility of an event or action happening and to ask for or give permission.
https://open.books4languages.com/english-a1-grammar/chapter/can-modals-of-ability
English Grammar A1 Level: We use the verb to have to form common expressions in informal communication.
https://open.books4languages.com/english-a1-grammar/chapter/to-have-common-expressions
English Grammar A1 Level: Have/have got is a verb used to express states like possessions, relationships, illnesses and characteristics of people and things.
When expressed in its interrogative form, it is used to ask questions about the possession of something.
https://open.books4languages.com/english-a1-grammar/chapter/have-and-have-got-interrogative
English Grammar A1 Level: Have/have got is a verb used to express states like possession, relationship, illnesses and the characteristics of people and things.
When expressed in its negative form, the verb denies something about the subject.
https://open.books4languages.com/english-a1-grammar/chapter/have-and-have-got-negative
English Grammar A1 Level: Have/have got is a verb used to express states like possession, relationship, illnesses and the characteristics of people and things.
When expressed in its affirmative form, the verb confirms something about the subject.
https://open.books4languages.com/english-a1-grammar/chapter/have-and-have-got-affirmative
English Grammar A1 Level: Articles are words that define nouns and they belong to the group of words called determiners. Essentially there are two kinds of articles: indefinite and definite.
We use the definite article to refer to specific things.
https://open.books4languages.com/english-a1-grammar/chapter/definite-articles
English Grammar A1 Level: Articles are words that define nouns and they belong to the group of words called determiners. Essentially there are two kinds of articles: indefinite and definite.
We use indefinite articles to express non-specific things or general categories.
https://open.books4languages.com/english-a1-grammar/chapter/indefinite-articles
English Grammar A1 Level: Determiners are modifiers of nouns. They can provide information about which and how much/many people, things… we are talking about.
Quantitative determiners or quantifiers are used to indicate the quantity of something.
https://open.books4languages.com/english-a1-grammar/chapter/quantitative-determiners
English Grammar A1 Level: There is/are are expressions used in sentences that want to confirm, deny or check that something exists.
https://open.books4languages.com/english-a1-grammar/chapter/there-is-and-there-are
English Grammar A1 Level: Nouns refer to a person, place, thing, event, substance or quality.
Countable nouns are nouns considered as separate objects that can be counted with numbers.
Uncountable nouns refer to things we consider as a mass, and not as separate objects.
https://open.books4languages.com/english-a1-grammar/chapter/countable-and-uncountable-nouns
English Grammar A1 Level: Nouns refer to a person, place, thing, event, substance or quality.
A compound noun is a noun formed by a combination of words.
https://open.books4languages.com/english-a1-grammar/chapter/compound-nouns
English Grammar A1 Level: Nouns refer to a person, place, thing, event, substance or quality.
Plural form is used to indicate that there is more than one person, animal, place or thing. Some nouns don’t follow the rules, they’re irregular, so their plural is formed differently.
https://open.books4languages.com/english-a1-grammar/chapter/irregular-plural-nouns
English Grammar A1 Level: Nouns refer to a person, place, thing, event, substance or quality.
Plural form is used to indicate that there is more than one person, animal, place or thing.
https://open.books4languages.com/english-a1-grammar/chapter/plural-nouns-formation
English Grammar A1 Level: Nouns refer to a person, place, thing, event, substance or quality.
We can form a feminine version from a masculine noun when the person we’re talking about is a woman.
https://open.books4languages.com/english-a1-grammar/chapter/feminine-nouns-formation
English Grammar A1 Level: Nouns refer to a person, place, thing, event, substance or quality.
We can find nouns which are the same for masculine and feminine genders.
https://open.books4languages.com/english-a1-grammar/chapter/noun-with-both-genders
English Grammar A1 Level: Nouns refer to a person, place, thing, event, substance or quality.
Nouns have three genders: masculine, feminine and neutral.
https://open.books4languages.com/english-a1-grammar/chapter/noun-gender
English Grammar A1 Level: The present simple is the tense used to express permanent situations or events that regularly repeat or always occur.
When expressed in its interrogative form, the verb is used to ask something about the subject.
https://open.books4languages.com/english-a1-grammar/chapter/present-simple-interrogative
English Grammar A1 Level: The present simple is the tense used to express permanent situations or events that regularly repeat or always occur.
When expressed in its negative form, the verb denies something about the subject.
https://open.books4languages.com/english-a1-grammar/chapter/present-simple-negative
English Grammar A1 Level: The present simple is the tense used to express permanent situations or events that regularly repeat or always occur.
When expressed in its affirmative form, the verb confirms something about the subject.
https://open.books4languages.com/english-a1-grammar/chapter/present-simple-affirmative
English Grammar A1 Level: To be is an auxiliary verb and it is essential in grammar.
When expressed in its interrogative form, the verb is used to ask something about the subject.
https://open.books4languages.com/english-a1-grammar/chapter/to-be-interrogative
English Grammar A1 Level: To be is an auxiliary verb and it is essential in grammar.
When expressed in its negative form, the verb denies something about the subject.
https://open.books4languages.com/english-a1-grammar/chapter/to-be-negative
English Grammar A1 Level: To be is an auxiliary verb and it is essential in grammar.
When expressed in its affirmative form, the verb confirms something about the subject.
https://open.books4languages.com/english-a1-grammar/chapter/to-be-affirmative
English Grammar A1 Level: Gerund is a verb that functions as a noun referring to an action, a process or a state.
https://open.books4languages.com/english-a1-grammar/chapter/gerund
English Grammar A1 Level: The infinitive is the basic form of a verb, and we use it to form other verbal tenses.
https://open.books4languages.com/english-a1-grammar/chapter/infinitive
English Grammar A1 Level: Subject pronouns replace a subject which is a person or a thing in a sentence.
https://open.books4languages.com/english-a1-grammar/chapter/subject-pronouns
English Grammar A1 Level: Cardinal numbers are used to express the quantity of something.
https://open.books4languages.com/english-a1-grammar/chapter/cardinal-numbers
English Grammar A1 Level: This book is the Grammar section of the A1 level of the practical guide for learning English as a second language. It forms a part of the book series My English Skills. It is fully written in English, and it serves as a base for the adaptation to different mother tongues. Starting from an integrated curriculum of languages, we offer an eclectic system with a distribution of contents based on the needs of learning objectives.
https://open.books4languages.com/english-a1-grammar/front-matter/introduction