12. Perfect Modal Verbs
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1. Simple vs Perfect modals. Choose the correct answer.
1. shouldn’t have told
2. must have failed
3. need to buy
4. could have called
5. might be
6. mustn’t forget
7. shouldn’t have bought
8. must have missed
9. should have studied
10. can’t finish
2. Complete each sentence with the correct simple modal or perfect modal verb.
1. should
2. can’t have
3. don’t have to
4. should have
5. must
6. could
7. can’t have
8. should
9. have to
10. must have
3. Complete each sentence with the correct simple modal or perfect modal verb.
1. have to
2. can’t
3. should have
4. must
5. mustn’t
6. could have
7. can’t have
8. don’t have to
9. must have
10. needn’t have
4. Complete each sentence with the correct simple modal or perfect modal verb.
1. must
2. can’t have
3. needn’t have
4. can’t have
5. shouldn’t
6. must have
7. would have
8. have to
9. might
10. shouldn’t have
5. Complete each sentence with the correct simple modal or perfect modal verb.
1. must
2. should have
3. mustn’t
4. can’t
5. have to
6. needn’t have
7. can’t
8. can’t have
9. shouldn’t
10. might have
6. Complete each sentence with the correct simple modal or perfect modal verb.
1. should have
2. should have
3. mustn’t
4. must have
5. had to
6. don’t have to
7. would have
8. needn’t
9. must have
10. should have