. Situation : Sandy wants to open the window, but Peter is sitting in her way.
Sandy : Peter, _A_ I want to open it.
Peter : _B_ but let me do that for you.
A 1. can I open the window ?
2. you haven’t opened the window.
3. you should not sit near the window like that.
4. would you mind moving away from the window ?
B 1. Yes, I know.
2. Never mind.
3. No , not at all.
4. Of course, I’d love to.