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.