№1. Correct or not?
1. She cans play the piano.
2. Can you to sing?
3. I may not be here this evening.
4. You don’t must open that door.
5. Last year I must work on Saturdays.
6. You will have to get the 10.15 train
7. We mustn’t play now, but we can if we want to…
8. Shall I make coffee?
9.I should have told you everything.
10. Must you go?
11. When do you have to leave?