ANSWER KEY 7
Exercise 1: Choose the best option to complete the following sentences.
1. A 2. C 3. B 4. B 5. A
6. C 7. B 8. C 9. A 10. A
11. A 12. C 13. C 14. B 15. C
Exercise 2: Match each sentence in column A with each sentence in column B.
1. E 2. J 3. A 4. D 5. G
6. I 7. C 8. F 9. H 10. B
Exercise 3: Complete each sentence with one word.
1. Would 2. What 3. What 4. Let’s 5. Why
6. Let’s 7. What about 8. should 9. Let’s 10. suggest
Exercise 4: Complete the conversation with given words/ phrase.
1. would you like to 6. Let’s
2. How about 7. How about
3. Shall 8. Let’s
4. Why don’t you 9. Let’s
5. How about 10. How about
Exercise 5: Put the verbs in brackets into the correct forms.
1. playing 6. finish 11. making
2. go 7. should take 12. studying
3. help 8. Be 13. should be
4. bringing 9. going 14. keep
5. should clean 10. going 15. looking
Exercise 6: Underline the mistake in each sentence.
1. doing 2. to go 3. go not 4. What 5. should not
6. sets 7. thinked 8. to enroll 9. me 10. for
ANSWER KEY 14
Exercise 1: Complete each sentence with can/ could/ be able to (not).
1. Could 2. couldn’t 3. was able to 4. can 5. couldn’t
6. couldn’t 7. was able to 8. can’t 9. couldn’t 10. could
Exercise 2: Complete each sentence with can/ could/ be able to (not).
1. couldn’t 2. can’t 3. can’t 4. can 5. can’t
6. was able to 7. could 8. couldn’t 9. can’t 10. can’t
Exercise 3: Complete each sentence with might/ must/ should (not).
1. should 2. might 3. should 4. might 5. might
6. must 7. should 8. should 9. might not 10. should
1. should not 2. must 3. might; should 4. should 5. might not
Exercise 4: Complete each sentence with must/ or have to (not).
1. must 6. don't have to 11. must
2. must; have to 7. had to 12. doesn't have to
3. mustn't 8. have to; must not 13. mustn't
4. don't have to 9. don't have to; don't have to 14. must be
1
5. don't have to 10. had to 15. must not; have to
Exercise 5: Complete each sentence with could/might (not).
1. couldn't 2. couldn't 3. couldn't 4. couldn't 5. might not
6. might not 7. couldn't 8. might not 9. could 10. couldn't
11. might 12. might not 13. might 14. might not 15. couldn't
Exercise 6: Complete each sentence with can/ could/ have to/ must/ might/ should (not).
1. couldn't 6. couldn't
2. can 7. Could; can
3. might; must 8. could
4. must not 9. should; might; could
5. Can 10. should
ANSWER KEY 15
Exercise 1: Choose the correct answers.
1. C 2. A 3. B 4. C 5. B
6. B 7. C 8. C 9. B 10. A
1. A 2. D 3. D 4. C 5. D
6. D 7. B 8. C 9. A 10. B
Exercise 3: Complete the sentences with tag questions.
1. doesn’t he 2. isn’t she 3. weren’t they 4. does she 5. didn’t she
6. may it not 7. hasn’t she 8. don’t they 9. don’t they 10. won’t you
Exercise 4: Complete the sentences with tag questions.
1. aren’t I 2. shall we 3. shouldn’t they 4. will you 5. don’t they
6. mustn’t you 7. doesn’t he 8. did she 9. has he 10. can’t she
Exercise 5: Complete the sentences with tag questions.
1. shouldn’t we 2. does he 3. have you 4. do they 5. is it
6. did they 7. isn’t it 8. didn’t it 9. isn’t it 10. shall we
Exercise 6: Complete the sentences with tag questions.
1. will you 2. will you 3. does she 4. does he 5. mustn’t we
6. doesn’t she 7. did they 8. ought he not 9. won’t there 10. shall we
Exercise 7: Complete the sentences with tag questions.
1. don’t we 2. do they 3. couldn’t he 4. isn’t it 5. mustn’t she
6. won’t they 7. can they 8. have you 9. shall we 10. couldn’t he
Exercise 8: Underline the incorrect part.
1. will you 2. am I 3. can’ they 4. doesn’t it 5. is it
6. did they 7. don’t you 8. doesn’t it 9. didn’t they 10. shall we