Modal verbs can, may, must Use modal auxiliary verbs can, may, must in positive or negative forms.
1. Excuse me! you speak French?
2. Alan isn't coming tonight. He come tomorrow, I hope.
3. There's a lot of work to do in the house. You help me!
4. She is over there. you see her?
5. I borrow your pen, please?
6. Teachers beat children. It's forbidden.
7. I can hear some voices. Someone be in the house.
8. We eat sweets! We are on a diet.
9. You buy it on Sunday if you want. The shops are open.