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ANSWER KEY

EXERCISES – MODAL VERBS Exercise E
Exercise A 1. shall we?
1. Can / are unable to 2. is there?
2. Would 3. did she?
3. moving 4. have they?
4. How about 5. don’t they?
5. happen to 6. does it?
6. would rather 7. aren’t I?
7. was able to 8. isn’t it?
8. should 9. are you?
9. might 10. shouldn’t they?
10. are not allowed to Exercise F
Exercise B 1. Dinosaurs weren’t able to survive the catastrophic extinction.
1. may 2. Would you mind driving me to the city centre?
2. need to 3. He can’t have stolen the money.
3. could 4. They must have arrived by now.
4. are not allowed to 5. A cat’s owner must clean the cat’s litter tray at least twice a week
5. mustn’t 6. She may have been taking a shower when you rang her.
6. may 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. will have to 9. Students have to turn their smartphones off before the exam starts.
9. would rather 10. She doesn’t have to pay with cash.
10. can’t 11. Shall we put the past behind us and try to get along?
11. am not able to 12. How about taking a summer vacation someplace tranquil?
12. may 13. In my country, people usually would rather drink tea than coffee for breakfast.
13. are to 14. We are obliged to eat the meat and similar things as soon as we take them out
14. must of the freezer.
15. cannot 15. They needn’t have worried about the exam as it was not hard enough.
Exercise C
1. mustn’t MODAL VERBS TEST- 1
2. must 1. C 9. E
3. must 2. E 10. D
4. must 3. D 11. B
5. must 4. A 12. E
6. must 5. B 13. D
7. have to 6. D 14. B
8. mustn’t 7. E 15. C
9. mustn’t 8. C 16. D
10. needn’t
Exercise D MODAL VERBS TEST- 2
1. used to 1. D 9. A
2. had to 2. B 10. A
3. should have 3. D 11. D
4. might have 4. D 12. C
5. needn’t have
6. shouldn’t have 5. A 13. A
7. would rather not have / 6. A 14. C
wouldn’t have 7. B 15. D
8. needn’t have 8. C 16. E
9. would rather have
10. may have
11. can’t have / must have
12. might have
13. could have
14. may have
15. used to

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