Rephrase the sentences — make them shorter using the -ing form. The first one is done for you. 1. Do you mind if I open the window?

1. Do you mind if I open the window?
Do you mind (my) opening the window?    
2. Does she mind if we travel by air?
Does she mind our travelling by air?
3. Does she mind if he takes part in the competition?
Does she mind his taking part in the competition?
4. Does he mind if we come to dinner?
Does he mind our coming to dinner?
5. Does he mind if we borrow his car?
Does he mind our borrowing his car?