Fill in the gaps with modal verbs ( must, may, can, could, have to, be to, needn’t, should, ought to, ) or their equivalents:
1. You don’t look well. You … go to the doctor.
2. In winter we … often skate.
3. I … to return the books to the library before my summer holidays.
4. Our classes …to start at 8.45.
5. … you play the piano before?
III. Put the verb in brackets in the correct form:
6. He said that he already ( read ) the book.
7. She said that the buss ( come ) soon.
8. My friend said that he ( not do ) that work without my help.
9. We knew that he not ( to be able ) to make this work himself and ( decide ) to help him.
10. We saw that our teacher just ( to go out ).