Просить (Imperfective aspect) // Попросить (Perfective aspect)
to beg,
to ask for,
to seek.
Imperfective verbs have Present, Past and Future tenses.
Perfective verbs have Past and Future tenses.
PDF-file with all the forms in the sentences is available here - www.patreon.com/rulangclub/ and https://boosty.to/rulangclub.