1.May I come in? Yes you may.
2. May I watch tv? No you may not.
3. May I go to the toilet? Yes you may.
4. May I listen to this CD? Yes you may.
5. May I use your mobile phone? No you may not.
6. May I borrow your bike? No you may not.
7. May I play your guitar? No you may not.
8. May I look at your magazine? Yes you may.