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.