This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Past Modals Of Deduction – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Past Modals Of Deduction Quiz 3 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. "I locked myself out of my apartment. I didn't know what to do." "You ..... your roommate." A) Could have called. B) May have called. C) Would have called. D) Must have called. Show Answer Correct Answer: A) Could have called. 2. A:Peter said you were an architect. B:He ..... confused me with someone else or maybe he misunderstood me. I'm a vet. A) Must have. B) May have. C) All the above. D) None of the above. Show Answer Correct Answer: B) May have. 3. It ..... been Mrs McGraw.=I'm sure it wasn't Mrs McGraw. A) Can't have. B) Must have. C) Might have. D) None of the above. Show Answer Correct Answer: A) Can't have. 4. They ..... (get) married-look at the ring she's wearing ! A) Had to get. B) Must have got. C) All the above. D) None of the above. Show Answer Correct Answer: B) Must have got. 5. We use ..... when something is certainly true (100%). A) Must. B) May/might/can/could. C) Can't / couldn't. D) None of the above. Show Answer Correct Answer: A) Must. 6. She didn't join the training session this morning. Probably she just forgot about it. A) She must have forgotten about the training session. B) She should have forgotten about the training session. C) She might have forgotten about the training session. D) None of the above. Show Answer Correct Answer: C) She might have forgotten about the training session. 7. Which has a different level of certainty? A) Can't. B) Couldn't. C) Must not. D) Might not. Show Answer Correct Answer: D) Might not. 8. We use ..... when something is possible (50%). A) Must. B) May/might/can/could. C) Can't / couldn't. D) None of the above. Show Answer Correct Answer: B) May/might/can/could. 9. I don't have any money left after going shoppingyesterday. A) You mustn't have spent all your money. B) You should have spent all your money. C) You shouldn't have spent all your money. D) None of the above. Show Answer Correct Answer: C) You shouldn't have spent all your money. 10. She ..... left her keys at the office, but she's not sure. A) Must have. B) Can't have. C) Might have. D) Couldn't have. Show Answer Correct Answer: C) Might have. 11. He can't have ..... cooking lunch. He just arrived home. A) Finishes. B) Finishing. C) Finish. D) Finished. Show Answer Correct Answer: D) Finished. 12. The cat has escaped! I ..... the window open by mistake. A) Might not have left. B) Should have left. C) Have to leave. D) Must have left. Show Answer Correct Answer: D) Must have left. 13. - "I can't find my keys." "Have you checked in your car. You ..... them there." A) Can have let. B) Should have left. C) Can't have left. D) Might have left. Show Answer Correct Answer: D) Might have left. 14. Bruno looks very happy. A) He may have get a good grade. B) He could have gotten a good grade. C) He might get a good grade on his test yesterday. D) He couldn't have get a good grade. Show Answer Correct Answer: B) He could have gotten a good grade. 15. A. He ..... gone to the city centre. B. He did say he wanted to go shopping. A) Can't have. B) Muust have. C) Might have. D) None of the above. Show Answer Correct Answer: C) Might have. 16. They ..... been at the cafe but I'm not sure A) Might have. B) Must have. C) Couldn't have. D) None of the above. Show Answer Correct Answer: A) Might have. 17. We ..... (plan) a new campaign. Otherwise we would have lost the elections. A) Had to plan. B) Have must planned. C) All the above. D) None of the above. Show Answer Correct Answer: A) Had to plan. 18. "Harry's new jacket doesn't seem to fit him very well." - "He ..... it on before he bought it." A) Should have tried. B) Must have tried. C) May have tried. D) Might have tried. Show Answer Correct Answer: A) Should have tried. 19. Which do we use when we are certain something is true? A) Can't. B) May not. C) Might. D) Must. Show Answer Correct Answer: D) Must. 20. I'm sure Sam and Ginny haven't got lost. They have GPS in their car. A) Sam and Ginny might not have got lost. B) Sam and Ginny mustn't have got lost. C) Sam and Ginny can't have got lost. D) None of the above. Show Answer Correct Answer: C) Sam and Ginny can't have got lost. 21. Fill in the blank:She ..... have left her keys at home. A) Must. B) Could. C) May. D) Might. Show Answer Correct Answer: C) May. 22. Alicia is crying. A) She might have had an arguement with her parents. B) She must have argue with her parents. C) She may arguing with her parents. D) She could be argued with her parents. Show Answer Correct Answer: A) She might have had an arguement with her parents. 23. He ..... it was your birthday. Otherwise, I'm sure he would have wished you a happy day A) Must have known. B) Might have known. C) Shouldn't have known. D) Can't have known. Show Answer Correct Answer: D) Can't have known. 24. Complete with the correct use of past modals of deduction:Where's Clare? Her bag's here and her computer's still on so she ..... gone home. A) Might have. B) Must have. C) Can't have. D) None of the above. Show Answer Correct Answer: C) Can't have. 25. -Why isn't John at work yet?-I don't know, he ..... the train. A) Might have missed. B) Must have missed. C) Should have missed. D) Might not have missed. Show Answer Correct Answer: A) Might have missed. 26. How did you get my number? It's not listed in the phone book, so you ..... it in the directory A) Might not have found. B) May not have found. C) Won't have found. D) Couldn't have found. Show Answer Correct Answer: D) Couldn't have found. 27. Complete with the correct use of past modals of deduction:I can't remember my password! But I ..... written it in my notebook as sometimes I do that. A) Might have. B) Must have. C) Couldn't have. D) None of the above. Show Answer Correct Answer: B) Must have. 28. I ..... a professional dancer, but I broke my leg when I was 17. A) Might be. B) Must have been. C) Shouldn't have been. D) Could have been. Show Answer Correct Answer: D) Could have been. 29. A. I ..... written down the number incorrectly.B. I've just called a hospital not the restaurant. A) Could have. B) Must have. C) Might have. D) None of the above. Show Answer Correct Answer: B) Must have. 30. I'm sure Lucy has bought a new car. I saw her drivinga blue VW Golf! A) Lucy could have bought a new car. B) Lucy can't have bought a new car. C) Lucy must have bought a new car. D) None of the above. Show Answer Correct Answer: C) Lucy must have bought a new car. ← PreviousNext →Related QuizzesAuxiliary Verbs QuizzesVerbs QuizzesPast Modals Of Deduction Quiz 1Past Modals Of Deduction Quiz 2Past Modals Of Deduction Quiz 4Can And Could QuizContinuous Modal Verbs QuizMay And Might QuizModal Perfect Tense QuizModal Verb Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books