Page 92 - Grammar For YDT - 12

ANSWER KEY

EXERCISES – MODAL VERBS Exercise D
Exercise A 1. used to
1. can / are unable to 2. had to
2. Would 3. should have
3. moving 4. might have
4. How about 5. needn’t have
5. happen to 6. shouldn’t have
6. would rather 7. would rather not have / wouldn’t have
7. was able to 8. needn’t have
8. should 9. would rather have
9. might 10. may have
10. are not allowed to 11. can’t have / must have
12. might have
Exercise B 13. could have
1. may 14. may have
2. need to 15. used to
3. could
4. are not allowed to Exercise E
5. mustn’t 1. shall we?
6. may 2. is there?
7. have to 3. did she?
8. will have to 4. have they?
9. would rather 5. don’t they?
10. can’t 6. does it?
11. am not able to 7. aren’t I?
12. may 8. isn’t it?
13. are to 9. are you?
14. must 10. shouldn’t they?
15. cannot
Exercise F
Exercise C 1. Dinosaurs weren’t able to survive the catastrophic extinction.
1. mustn’t 2. Would you mind driving me to the city centre?
2. must 3. He can’t have stolen the money.
3. must 4. They must have arrived by now.
4. must 5. A cat’s owner must clean the cat’s litter tray at least twice a week.
5. must 6. She may have been taking a shower when you rang her.
6. must 7. You are not allowed to keep books from the library for longer than a month.
7. have to 8. You needn’t book a table ahead of time.
8. mustn’t 9. Students have to turn their smartphones off before the exam starts.
9. mustn’t 10. She doesn’t have to pay with cash.
10. needn’t 11. Shall we put the past behind us and try to get along?
12. How about taking a summer vacation someplace tranquil?
13. In my country, people usually would rather drink tea than coffee for
breakfast.
14. We are obliged to eat the meat and similar things as soon as we take
them out of the freezer.
15. They needn’t have worried about the exam as it was not hard enough.

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