Fill in a modal or a synonymous expression and the appropriate form of the verbs in brackets.

1. I'm getting fat. I really have to try (try) to lose some weight, like the doctor said.

2. What a lovely day! … (we/go) for a walk?

3. I'm not sure where Gary is. He … (be) at the library.

4. That … (not/be) Bill's car. He doesn't own one.

5. Tom … (sleep) but I'm not sure. Why don't you go and see?

6. Don't worry. You … (not/dress) formally for the party.

7. If you wanted to borrow my car, you … (ask) me.

8. This dog … (belong) to Harry. It's got his address on its collar.

9. Only authorized personnel … (enter) this area.

10. You … (not/smoke) in some public places.

11. I saw John in the town centre this morning. He … (go) to Spain yet.

12. Fortunately he … (convince) the police that he was innocent.

13. Tom drives really well now. He … (pass) his driving test easily.

14. She … (be) at the party last night. She was ill.

15. They … (announce) the winners on March 16th. It's scheduled.

16. She … (start) working on Monday. The manager has told her to.

17. I missed the film last night because I … (work) late.

18. Everyone in the world … (have) food and shelter.

19. You … (comply) with the regulations. We expect you to do so.

20. People … (treat) animals in a better way but they don't always do so.