Нужно составить два диалога из 4 реплик, используя can i, may i, could i

1) - Can I close the door?
- What for?
- So that our talk could not be heard.
- Okay.

2) - May I go out?
- Where do you need to go, Petrov?
- I want to go out for a drink.
- You wait.

3) - Could I take your notebook?
- Yes, for what?
- I want to look at the terms of biology.
- Sure.