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 ).

спасибо, тока здесь еще форму глагола надо вроде...если я правильно поняла

1.Must2.Can3.Have to4.Have to5.May 6.He said that he already had read the book7.She said that the buss have to come soon8.My friend said that he could not do that work without my help9.We knew that he not was able to make this work himself and decided to help him10.We saw that our teacher just had gone out