(Can I help you?)
- Mummy, can I have some sweets?
- You can, but you may not.
- Oh, Mummy, may I have some sweets?
-
Of course, dear, help yourself.
-
Can I help you?
- Yes please. I want a map of London.
- Do you like this one? It's very detailed.
- Yes, it's fine. How much is it?
- Well, it casts twenty pence, but you can have it for fifteen pence.
- Where can I find a telephone?
- You can find one at the end of the street.
- May I ask you something? - Of course.
- Can you tell me the time? My watch doesn't work.
- Certainly, it's exactly two o'clock.