This quiz works best with JavaScript enabled. Home > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Past Modals Of Deduction – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Past Modals Of Deduction Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. "Why are you sure that Ann didn't commit the crime?" "She ..... that crime because I was with her" A) May not have committed. B) Couldn't have committed. C) Shouldn't have committed. D) Wasn't supposed to commit. Show Answer Correct Answer: B) Couldn't have committed. 2. Amanda looks very sad-she ..... (fail) her biology test. A) Must have failed. B) Had to fail. C) All the above. D) None of the above. Show Answer Correct Answer: A) Must have failed. 3. It ..... been Mrs McGraw.=I'm sure it was Mrs McGraw. A) Could have. B) Can't have. C) Must have. D) None of the above. Show Answer Correct Answer: C) Must have. 4. You ..... (be) crazy to do such a dangerous thing. A) Had to be. B) Must have been. C) All the above. D) None of the above. Show Answer Correct Answer: B) Must have been. 5. She ..... been able to finish her homework because she had a busy day. A) Might have. B) Might not have. C) Must have. D) Must not have. Show Answer Correct Answer: B) Might not have. 6. She's 20 minutes late. A) She can't have missed the train. B) She could have missed the train. C) She must have missed the train. D) She must not have missed the train. Show Answer Correct Answer: B) She could have missed the train. 7. Quinoa is a simple food that you ..... of. A) Must not have heard. B) Shouldn't have heard. C) May not have heard. D) Might not hear. Show Answer Correct Answer: C) May not have heard. 8. Clara was very upset with you yesterday. You ..... apologised for saying she was lazy. A) Must have. B) Might have. C) Should have. D) Can't have. Show Answer Correct Answer: C) Should have. 9. Fill in the blank:She ..... have won the lottery. She bought a ticket. A) Should. B) Might. C) Must. D) Could. Show Answer Correct Answer: D) Could. 10. Complete with the correct use of past modals of deduction:She ..... cleaned the whole house on her own in two hours. She must have had some help. A) Might have. B) Must have. C) Can't have. D) None of the above. Show Answer Correct Answer: C) Can't have. 11. Julie ..... our meeting yesterday morning because she didn't note it down. A) Might forget. B) Might have forgotten. C) May forget. D) Should have forgotten. Show Answer Correct Answer: B) Might have forgotten. 12. 'I can't find my keys.' 'Have you checked in your car?You ..... left them there.' A) Can't have. B) Might have. C) Must have. D) None of the above. Show Answer Correct Answer: B) Might have. 13. They didn't come to our wedding. Maybe they didn'treceive the invitation. A) They can't have received our invitation. B) They might not have received our invitation. C) They shouldn't have received our invitation. D) None of the above. Show Answer Correct Answer: B) They might not have received our invitation. 14. My bike isn't in the garage. My brother ..... it. A) Must have taken. B) Should have taken. C) All the above. D) None of the above. Show Answer Correct Answer: A) Must have taken. 15. Perhaps John didn't see you. That's why he didn'tsay hello. A) John might not have seen you. B) John can't have seen you. C) John shouldn't have seen you. D) None of the above. Show Answer Correct Answer: A) John might not have seen you. 16. Which means possibly not true? A) Must. B) May not. C) Couldn't. D) Can't. Show Answer Correct Answer: B) May not. 17. Sarah looks really pleased with herself. She ..... passed her driving test this morning. A) May have. B) Might have. C) Must have. D) Can have. Show Answer Correct Answer: C) Must have. 18. A. John ..... been very happy when he found out he was going to be a father. B. He's wanted this for a long time. A) Might have. B) Must have. C) Could have. D) None of the above. Show Answer Correct Answer: B) Must have. 19. Someone stole a watch from the store and they think Steve did it. Steve and I were the only ones in the store and I saw him put something in his pocket when the owner wasn't looking so ..... A) He must not have done it. B) He might have done it. C) He must have done it. D) He couldn't have done it. Show Answer Correct Answer: C) He must have done it. 20. I ..... my parents the truth. Now I'm in trouble. A) Should have told. B) May have told. C) All the above. D) None of the above. Show Answer Correct Answer: A) Should have told. 21. I can't remember my password! I ..... it in my notebook as I always do ..... A) Must have written. B) Should have written. C) Couldn't have written. D) None of the above. Show Answer Correct Answer: B) Should have written. 22. Where's Clare? Her bag's here and her computer's still on so she ..... home. A) Mustn't have gone. B) Might have gone. C) Can't have gone. D) None of the above. Show Answer Correct Answer: C) Can't have gone. 23. Fill in the blank:They ..... have forgotten about the meeting. It was in their calendar. A) Must. B) Could. C) Might. D) Should. Show Answer Correct Answer: A) Must. 24. The oral interview in French ..... difficult. Few students passed it. A) Must have been. B) Can't be. C) Can't have been. D) Must be. Show Answer Correct Answer: A) Must have been. 25. Fill in the blank:He ..... forgotten his wallet. He always carries it with him. A) Hasn't have. B) Didn't have. C) Mustn't have. D) Must have. 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