Exercise 15. Rewrite the sentences using can, must, may, needn't.

a

1.  Is it possible that he translated the text without a dictionary?

2. Perhaps a famous sculptor decorated this palace.

3. I am sure he has delivered a good speech.

4. They certainly gave him all the necessary information about the places of interest in London.

5. May be the collection of these sculptures has a wonderful history.

6. I have probably been ill for weeks.

7. But perhaps it was her own mistake.

8. Perhaps the game will amuse you and make you forget about your foot.

b

1. It wasn't necessary for you to write that letter.

2. Do you believe they have postponed such an important interview?

3. I don't believe he is staying at his ex-wife's.

4. Perhaps it was the call of our blood, I don't know.

5. It is not necessary for him to come here.

6. Is it possible that he went back to old habits?

7. Well, perhaps he got there quite early.

8. Is it possible that she's just run away?