Here are some questions. Write down the answers.
1) Y o u r f r i e n d: Can I ride your bike, please?
2) Y o u r n e i g h b o u r: May we join you for dinner?
3)Y o u r s i s t e r: May I play in your room?
4) Y o u r b r o t h e r: May I go to the picture gallery with you?

1. Of course, you can. 2. With pleasure. 3. Yes, you may but don't make much noise. 4. Yes, of course. It's a good idea.