2)A:May I open the window,please
B:Of course you may
3)A:May I eat my lunch in my bedroom,please?
B:No,you may not.Eat it in the kitchen,please
4)A:May I ask you a question,please?
B:Yes,of course
5)A:May I have some more chocolate,please
B:No,you may not
6)A: May I have a glass of water?
B:Yes, of course