Rewrite the sentences using the modal verbs in the list . There may be more than one answer.

• must • mustn't • should • •shouldn't • can • could • don't have to •
1) Do you mind if I leave the lesson early?

2) It's a good idea to carry some insect repellent when you trek through the jungle .

3) Pete is able to skate very well.

4) It's not necessary for you to dust the furniture every day.

5) We are obligated to make our beds every morning.

6) It's forbidden to park your car in a bus lane .

7)It's not a good idea to spend so much time playing video games.
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1. Peter (was reading) by the fireplace when the door ( opened) and the maid (entered). The cook (followed) her. 2. When the mother (satisfied) herself that the children (were sleeping) peacefully in their beds, she (took) out the Christmas presents and carefully ( put) them into the stockings which (were hanging) at the beds. 3. If you ( ring) me up tomorrow, I (will tell) you all about it. 4. The lesson (has not yet begun), and the children (are talking) loudly in the corridor. 5. I (have lived) in St. Petersburg since 1991. 6. By the fifteenth of January the students (had passed) all the examinations. 7. The students (had written) the paper by dinner-time. 8. They (had been sailing) down the river for many hours before they ( came) to the village. 9. I (have not been) to my home town for five years. 10. The rain (had stopped) by the time we ( reached) home. 11. The message (arrived) five minutes after he (had left) the house. 12. It (was) nearly eleven o'clock when we ( began) doing this work. 13. At last the reply from my grandmother (had come), and my mother (told) me that she (would come) soon. 14. Here you (are) at last! I (have been waiting) for you for twenty minutes. Aren't you ashamed?

1 .When Mark arrived, the Johnsons were having dinner.
2. While Tom was reading a book, Martha was watching TV.
3. Although the sun was shining, it was still cold, because it had been raining hard for two hours.
4. The first modern Olympics were in Athens more than a hundred years ago.
5. I was sleeping when my friend called.
6. Has he spoken about the opera before?
7. I didn’t wake him up, I knew he was very tired, because he had been working for 10 hours.
8. She was nervous because she had never flown before.
9. Did you see him yesterday?
10. What were you doing at 5 o’clock yesterday?