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1、新編英語語法教程（第6版）第18講 練習參考答案
Ex. 18A
a)??????????1. needn’t (= don’t have to, don’t need to, haven’t got to)
2. won’t have to 3. didn’t have to (= didn’t need to) 4. needn’t 5. didn’t have to
6. didn’t have to 7. needn’t 8. needn’t 9. won’t have to 10. needn’t
b) 11. You had to… 12. He wa
2、sn’t to… 13. He wasn’t to… 14. You had to…
15. He said I wasn’t to… 16. They had to… 17. We had to… 18. I wasn’t to…
19. He said you weren’t to… 20. We had to…
Ex. 18B
1.??? He may be doing his homework.
2.?? She may have forgotten to call me back.
3.???Could you lend me 5 pounds unt
3、il tomorrow?
4.??? I wonder if I could leave now.
5.????It might rain this evening.
6.?? Old Tom might have left San Diego.
7.?? If it should rain tomorrow, the football match would be put off.
8.???You should do as he says.
9.????If you should change your mind, please let me know.
10.? I’m s
4、urprised that he should have an accident.
11.? Shall I go with you?
12.? You shan’t answer her back again.
13.? You mustn’t violate the traffic regulations again.
14.? He must have got lost in the mountains.
15.? You needn’t go and see him.
16.? You needn’t have written to her.
17.? You shoul
5、d have helped her.
18.? If you would change this car, I should be very grateful.
19.? Would you mind shutting the door?
20.? She shouldn’t have bought that house.
21.? It’s odd that she should say that.
22.? Don’t call him. He’ll be taking a nap.
23.? Don’t write to him. He won’t be home now.
6、
24.? Don’t bother him. He will have heard the news.
25.? A lion will attack people only when hungry.
26.? What will you do after graduation?
27.? Mary ought to be home by now.
28.? You oughtn’t to have bought a new car.
29.? He used to work in Shanghai, but now he is nowhere to be found.
30.? How dare you say that in the presence of the principal?
新編英語語法教程(第6版)第18講 練習參考答案
