This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Modals Of Deduction – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Modals Of Deduction Quiz 9 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. You ..... not have bought that car if you already have two. A) Must. B) May. C) Should. D) None of the above. Show Answer Correct Answer: C) Should. 2. Marc is in a terrible mood. The meeting ..... been good. A) Could have. B) Will be. C) Can't have. D) Can have. Show Answer Correct Answer: C) Can't have. 3. He must ..... tired. He hasn't slept all night. A) Be. B) Have been. C) All the above. D) None of the above. Show Answer Correct Answer: A) Be. 4. Julio had a stomachache because he had eaten so many tacos last night. A) He should have been at the hospital. B) He should have taken an Alka seltzer. C) He should hadn't eating so many tacos. D) None of the above. Show Answer Correct Answer: B) He should have taken an Alka seltzer. 5. Police are convinced the paintings ..... taken out of the coutry already. A) Must have. B) Must have been. C) Might have been. D) May have. Show Answer Correct Answer: B) Must have been. 6. ..... + base form of a verb is used when ..... something is true A) Might / it is possible. B) Must / believe. C) Can't / isn't true. D) None of the above. Show Answer Correct Answer: B) Must / believe. 7. She ..... be at home, the lights are on. A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: A) Must. 8. I heard a noise, there ..... be a cat on the roof.I'm not sure, I'm going to check ..... A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: C) Might. 9. I've already finished all my work, so I ..... study tonight. I think I'll read for a while. A) Mustn't. B) Must. C) Don't have to. D) Have to. Show Answer Correct Answer: C) Don't have to. 10. You ..... be tired. You've just woken up and you slept about 10 hours. A) Mustn't. B) Can't. C) Mightn't. D) None of the above. Show Answer Correct Answer: B) Can't. 11. To give the promotion to Harold was silly. He ..... (know) much about this company after only a year working here. No wonder our sales are down! A) Could had known. B) Could have known. C) Couldn't have know. D) Couldn't have known. Show Answer Correct Answer: D) Couldn't have known. 12. I don't know why he hasn't called me back. He ..... A) Must have forgotten my number. B) Might forget my number. C) Might have forgotten my number. D) None of the above. Show Answer Correct Answer: C) Might have forgotten my number. 13. Oh, no! My car ..... (refuses to) start. A) Doesn't. B) Couldn't. C) Shan't. D) Won't. Show Answer Correct Answer: D) Won't. 14. They might be at the restaurant.2. I'm sure they're at the restaurant. A) Same meaning. B) Different meaning. C) All the above. D) None of the above. Show Answer Correct Answer: B) Different meaning. 15. A:The Great Wall of China took around 2500 years to build. B:Thousands of people ..... in the construction. A:Yes indeed millions. A) Cant have worked. B) Must have worked. C) Might have worked. D) Mustn't have worked. Show Answer Correct Answer: B) Must have worked. 16. F he drives a jaguar, he ..... be rich A) Must. B) Can't. C) Might not. D) None of the above. Show Answer Correct Answer: A) Must. 17. She went for a long walk, ..... the fact that it was cold A) IN SPITE OF. B) DESPITE. C) EVEN. D) None of the above. Show Answer Correct Answer: B) DESPITE. 18. What is the modal that demonstrate the person isn't completely sure? A) Must have. B) Could have. C) Should have. D) None of the above. Show Answer Correct Answer: B) Could have. 19. He ..... known about it when I saw him. I'm sure he would have told me. A) Must have. B) Might have. C) Can't have. D) None of the above. Show Answer Correct Answer: C) Can't have. 20. Congratulations on passing your exam! You ..... very pleased! (I'm sure!) A) Can't be. B) Must be. C) Might be. D) None of the above. Show Answer Correct Answer: B) Must be. 21. Margot told her mother that she liked her haircut, but she had a strange expression on her face when she said it. A) She might have told a white lie. B) She may not have said she liked it. C) She could tell the truth. D) None of the above. Show Answer Correct Answer: A) She might have told a white lie. 22. Betty said she was hungry, but she didn't eat very much after all. She ..... A) Couldn't have liked the food. B) Couldn't like the food. C) Couldn't have been hungry. D) None of the above. Show Answer Correct Answer: A) Couldn't have liked the food. 23. MUST is used to say that we're sure of something is possible to happen or to be true. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 24. Sara has lost the hearing in her left ear. A) She may have listened to her music too loud. B) She couldn't have listened to her music too loud. C) She has listened to her music too loud. D) None of the above. Show Answer Correct Answer: A) She may have listened to her music too loud. 25. I don't know why Vivian didn't attend the meeting this afternoon. She ..... A) May have been too busy. B) Must have been too busy. C) Might not have been too busy. D) None of the above. Show Answer Correct Answer: A) May have been too busy. 26. She ..... cleaned the whole house on her own in two hours. She must have had some help. A) Must have. B) Might have. C) Can't have. D) None of the above. Show Answer Correct Answer: C) Can't have. 27. If you are asked to dinner at someone's house, you ..... take a gift; it ..... be anything expensive-flowers or pastries are a good idea. A) Might not / may. B) Need / mustn't. C) Ought to / needn't. D) Mustn't / has to. Show Answer Correct Answer: C) Ought to / needn't. 28. 'I'm starving! What's for dinner, Mum?" Fish." I hate fish! I'm not eating it." You ..... be very hungry, then.' A) Mustn't. B) Might. C) Can't. D) Couldn't. Show Answer Correct Answer: C) Can't. 29. This ..... be a good topic, but we'll have to check with the teacher to make sure. A) Must. B) Could. C) All the above. D) None of the above. Show Answer Correct Answer: B) Could. 30. Tim ..... feel awful. He studied really hard, but he still failed the test. A) Can't. B) Must. C) All the above. D) None of the above. Show Answer Correct Answer: B) Must. 31. She ..... love cats-she has 20. A) Can't. B) Must. C) All the above. D) None of the above. Show Answer Correct Answer: B) Must. 32. I can't remember very well but I think I watched this movie some years ago. The characters and the story seem familiar but I'm not completely sure. A) I may have watched this movie. B) I must have watched this movie. C) I can't have watched this movie. D) None of the above. Show Answer Correct Answer: A) I may have watched this movie. 33. Which sentence is stronger? A) You have to wear your seatbelt. B) You must wear your seatbelt. C) All the above. D) None of the above. Show Answer Correct Answer: B) You must wear your seatbelt. 34. Mr Cooper might have ..... her a summer job. A) Given. B) Gave. C) Give. D) None of the above. Show Answer Correct Answer: A) Given. 35. What modal fits the following contexts? ..... I help you with that?I ..... meet you there at midnight.You ..... be the first person to know. A) Will. B) Shall. C) Might. D) Ought to. Show Answer Correct Answer: B) Shall. 36. I've checked the garage three times already. The skateboard ..... A) Can't be there. B) Must be there. C) Might be there. D) None of the above. Show Answer Correct Answer: A) Can't be there. 37. He wasn't answering the phone before. Maybe he went to the shop or he ..... been in the shower. A) Must have. B) Might have. C) Couldn't have. D) None of the above. Show Answer Correct Answer: B) Might have. 38. I finished my homework ..... it wasn't easy. A) ALTHOUGH. B) HOWEVER. C) DESPITE OF. D) None of the above. Show Answer Correct Answer: A) ALTHOUGH. 39. I ..... left my wallet in the restaurant. I paid for the taxi home afterwards. A) Must have. B) Could have. C) Can't have. D) None of the above. Show Answer Correct Answer: C) Can't have. 40. Many students were absent from class last week. A) They must have been sick. B) They may not have been informed. C) They couldn't have been busy. D) None of the above. Show Answer Correct Answer: A) They must have been sick. 41. She ..... studied really hard. She passed all her exams with excellent grades A) Could be. B) Must have. C) Can't be. D) Can't have. Show Answer Correct Answer: B) Must have. 42. Andrew did no revision for the exam but he's passed. I think he ..... cheated. A) Couldn't have. B) Might have. C) Must have. D) Shouldn't have. Show Answer Correct Answer: B) Might have. 43. Some images in my head are not completely clear. I think I ..... have forgotten what his face looked like. A) Must. B) Can. C) Might. D) None of the above. Show Answer Correct Answer: C) Might. 44. I'm sure he did it =? A) He must have done it. B) He should have done it. C) He must do it. D) He can't have done it. Show Answer Correct Answer: A) He must have done it. 45. A:I saw a stunning jumper in the shop, but I didn't buy it. It's probably too late now.B:Maybe, but let's go back and check-they (a) it yet. A) May have sold. B) Can't have sold. C) A. might not have sold. D) Must have sold. Show Answer Correct Answer: C) A. might not have sold. 46. He must have lost my number because he ..... me. A) Phoned. B) Didn't phone. C) All the above. D) None of the above. Show Answer Correct Answer: B) Didn't phone. 47. The window of my car was broken. I think that a thief ..... wanted to take my wallet, but a police told that another car had crashed with mine. A) Might have. B) Must have. C) Could have. D) None of the above. Show Answer Correct Answer: A) Might have. 48. He always ..... with a really good idea. A) COME UP. B) COMES UP. C) CAME UP. D) None of the above. Show Answer Correct Answer: B) COMES UP. 49. I don't think Jason participated in the crime. He ..... have killed that poor dog, he's such a sweet person! A) Mustn't. B) Couldn't. C) Can't. D) None of the above. Show Answer Correct Answer: C) Can't. 50. A:'Have you seen the cat? I can't find him.' B:'Have you checked under the bed? He ..... there.' A) Might hid. B) Could have been. C) May be hiding. D) None of the above. Show Answer Correct Answer: C) May be hiding. 51. I think Peru ..... end up going to the World Cup in 2022. A) Can't. B) Could. C) All the above. D) None of the above. Show Answer Correct Answer: B) Could. 52. Maria wasn't in class last week. Pedro saw her coming out of Cinepolis around noon. A) She must not have skipped class. B) She could have gone to the movies. C) She could have been at the hospital. D) None of the above. Show Answer Correct Answer: B) She could have gone to the movies. 53. The phone's ringing. I'm not sure, but it ..... be your mother. A) Must. B) Might. C) Can't. D) None of the above. Show Answer Correct Answer: B) Might. 54. Nobody knows exactly when he died. It ..... been an accident. A) Can have. B) Should have. C) Must have. D) Might have. Show Answer Correct Answer: D) Might have. 55. It's 30 degrees! you ..... be wearing that coat A) Can't. B) Must. C) Could. D) Can. Show Answer Correct Answer: A) Can't. 56. Look at that bird! Maybe it's an eagle or it ..... be a vulture. A) Might not. B) Can't. C) Could. D) Must. Show Answer Correct Answer: C) Could. 57. She's late. She might the train. A) Miss. B) Have missed. C) All the above. D) None of the above. Show Answer Correct Answer: B) Have missed. 58. By the year 2030, many people currently employed ..... their jobs. A) Will be losing. B) Are losing. C) Have lost. D) Will have lost. Show Answer Correct Answer: D) Will have lost. 59. My best student got zero I didn't know what happened. He ..... visited his grandmother. A) May have. B) Must have. C) Could have. D) None of the above. Show Answer Correct Answer: A) May have. 60. When I got home, my window was broken and my television was missing. Someone ..... into my house. A) Might have broken. B) Must have broken. C) Can't have broken. D) None of the above. Show Answer Correct Answer: B) Must have broken. ← PreviousNext →Related QuizzesAuxiliary Verbs QuizzesVerbs QuizzesModals Of Deduction Quiz 1Modals Of Deduction Quiz 2Modals Of Deduction Quiz 3Modals Of Deduction Quiz 4Modals Of Deduction Quiz 5Modals Of Deduction Quiz 6Modals Of Deduction Quiz 7Modals Of Deduction Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books