This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Modals Of Deduction – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Modals Of Deduction Quiz 12 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Have you got your passport? I'm not sure if you'll need it but they ..... ask you for ID. A) Must. B) Might. C) Can't. D) Might not. Show Answer Correct Answer: B) Might. 2. He ..... right now; his office light is on. A) Must work. B) Must be working. C) Must have worked. D) None of the above. Show Answer Correct Answer: B) Must be working. 3. The children are playing outside in their swimsuits; it ..... cold today. A) Mustn't be. B) Can't be. C) Might. D) None of the above. Show Answer Correct Answer: B) Can't be. 4. John ..... been very happy when he found out he was going to be a father. He's always wanted a child. A) Must have. B) Can't have. C) May have. D) Could have. Show Answer Correct Answer: A) Must have. 5. It's possible John is working on something new. He ..... be writing a novel. A) Must. B) May. C) Can't. D) None of the above. Show Answer Correct Answer: B) May. 6. Sofia says she has a new job, but her email hasn't changed. A) She may have a new email. B) She may not have told us the truth. C) She couldn't have emailed us. D) None of the above. Show Answer Correct Answer: B) She may not have told us the truth. 7. "May" always expresses strong certainty. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 8. I believe going out ..... be a bad idea. But I'm not 100% sure. A) Must. B) Might. C) Can't. D) None of the above. Show Answer Correct Answer: B) Might. 9. The train is delayed again; there ..... be some technical issues. A) Must. B) Can't be. C) Might. D) None of the above. Show Answer Correct Answer: A) Must. 10. The teacher is smiling; the students ..... done well on the test. A) Must. B) Might not. C) Can't have. D) None of the above. Show Answer Correct Answer: A) Must. 11. You see a group of people dressed in colorful costumes and carrying musical instruments. What is the most likely deduction? (Choose one) A) They must be on their way to a funeral. B) They must be going to a costume party. C) They could be part of a marching band. D) They could be part of a marching band. Show Answer Correct Answer: C) They could be part of a marching band. 12. A:Is that Anne with her boyfriend?B:It ..... be. They broke up 2 years ago. A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: B) Can't. 13. Oliver ..... really love that fi lm. He's seen it ten times. A) Can. B) May. C) Must. D) None of the above. Show Answer Correct Answer: C) Must. 14. I'm sure you ..... like Josh because you have a similar sense of humour. A) Might. B) 'll. C) Won't. D) None of the above. Show Answer Correct Answer: B) 'll. 15. The cat ate all the things on the plate. It ..... very hungry. A) Must have been. B) Can't have been. C) Must be. D) Might be. Show Answer Correct Answer: A) Must have been. 16. Whenever I want to eat at this restaurant, it is full. It ..... be very popular these days. A) Might. B) Must. C) Can. D) Could. Show Answer Correct Answer: B) Must. 17. She ..... left her phone at school. Or perhaps she left it on the bus. A) Can't have. B) Might have. C) Must have. D) None of the above. Show Answer Correct Answer: B) Might have. 18. Don't buy Oliver a book. He ..... like the same kind of things as you. A) Must not. B) Might not. C) All the above. D) None of the above. Show Answer Correct Answer: B) Might not. 19. I ..... known about this faulty wiring. I would have noticed it. A) Couldn't have. B) Must have. C) Might have. D) None of the above. Show Answer Correct Answer: A) Couldn't have. 20. They're speaking Spanish, so they ..... from Argentina, I suppose. A) Could / might. B) Can't. C) All the above. D) None of the above. Show Answer Correct Answer: A) Could / might. 21. She never showed up. She ..... have forgotten about our appointment. A) Might. B) Can't. C) Must. D) May. Show Answer Correct Answer: C) Must. 22. Leo ..... have missed the train, but I'm not sure. Maybe he's just sick and won't come to class today. A) Mught. B) May. C) Con't. D) None of the above. Show Answer Correct Answer: B) May. 23. She always gets such good grades at school. She ..... (na pewno) work very hard. A) Must. B) Should. C) Might. D) Could. Show Answer Correct Answer: A) Must. 24. We have to ..... it ..... You can't just leave and don't say what really annoyed you. A) TAKE OVER. B) TALK OVER. C) SPEAK ABOUT. D) None of the above. Show Answer Correct Answer: B) TALK OVER. 25. 'Look! What's that light in the sky? It's not a star-it's moving." It ..... be a plane, silly! What else could it be?' A) Might. B) Must. C) Can. D) None of the above. Show Answer Correct Answer: B) Must. 26. Teacher cesar speaks English fluently.He ..... be from England. A) Migth. B) Can't. C) May. D) None of the above. Show Answer Correct Answer: A) Migth. 27. This ..... be the museum Lucy was talking about. I am absolutely sure! A) May. B) Might. C) Must. D) None of the above. Show Answer Correct Answer: C) Must. 28. He ..... be in his 40s, his hair are starting to turn grey. A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: C) Might. 29. I don't know where Kate is. She ..... be at work or at the gym. A) Might not. B) Might. C) Can't. D) Must. Show Answer Correct Answer: B) Might. 30. A:Where have all the sandwiches gone? The plate's empty!B:Tom (a) them. He was the only person who came into this room all day. A) Can't have eaten. B) Might not have eaten. C) A. must have eaten. D) May have eaten. Show Answer Correct Answer: C) A. must have eaten. 31. It can't ..... easy to take so many classes. How did you do it? A) Be. B) Have been. C) All the above. D) None of the above. Show Answer Correct Answer: B) Have been. 32. That woman ..... be Jack's wife. Jack's wife has dark hair. A) Might not. B) Can't. C) Might. D) Must. Show Answer Correct Answer: B) Can't. 33. My cousin owns a Ferrari. I don't know his salary but he ..... earn a fortune! A) Can. B) Might. C) Must. D) None of the above. Show Answer Correct Answer: C) Must. 34. I see her drive to the hospital every day. She ..... work there. A) Must. B) Can't. C) Could. D) None of the above. Show Answer Correct Answer: A) Must. 35. Alan said he took a picture of a huge bear in Chipinque, but no one has seen the photo. A) He may or may not have taken a picture of the bear. B) He might take a picture of the bear. C) He should have take a selfie with the bear. D) None of the above. Show Answer Correct Answer: A) He may or may not have taken a picture of the bear. 36. Which sentence means:Maybe talking to Ian will help you solve the problem. A) Talking may help him. B) Talking to Ian can't help. C) Talking to Ian might help. D) Talking to Ian must help. Show Answer Correct Answer: C) Talking to Ian might help. 37. Wow. You ..... been so scared when you saw that shark when you were swimming. A) May have. B) Must have. C) Can't have. D) None of the above. Show Answer Correct Answer: B) Must have. 38. Dave must like One Direction. He has ..... of their CDs. A) All. B) None. C) All the above. D) None of the above. Show Answer Correct Answer: A) All. 39. Someone ..... kidnapped my dog. I have found this scary note. He's asking for a ransom. A) May have. B) Must have. C) Can have. D) None of the above. Show Answer Correct Answer: B) Must have. 40. This steak ..... be for me, It'a a rare and I asked for a well-done steak. A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: B) Can't. 41. I'm not sure, but I think Deniz ..... have broken up with her boyfriend. She seems very sad and lonely these days. A) May. B) Can't. C) Must. D) None of the above. Show Answer Correct Answer: A) May. 42. Nobody's answering. They ..... be out. A) Must. B) Might. C) All the above. D) None of the above. Show Answer Correct Answer: A) Must. 43. Johnny! You ..... play with sharp knives. Put that knives down immediately! A) Have to. B) Don't have to. C) Must. D) Mustn't. Show Answer Correct Answer: D) Mustn't. 44. They are late. They ..... or perhaps they overslept. A) Can't be slow walkers. B) May be slow walkers. C) Couldn't be slow walkers. D) None of the above. Show Answer Correct Answer: B) May be slow walkers. 45. I had to wait 45 minutes for a bus yesterday. There ..... been an accident or maybe a strike. (it's possible but I'm not certain) A) Might have. B) Should have. C) Must have. D) Can have. Show Answer Correct Answer: A) Might have. 46. Tom has been working late every day; he ..... be very busy with a project. A) Must. B) Might not. C) Can't. D) None of the above. Show Answer Correct Answer: A) Must. 47. Alice: "I locked myself out of my apartment. I didn't know what to do." Ben: "You ..... your roommate." A) Must have called. B) Would have called. C) May have called. D) Should have called. Show Answer Correct Answer: D) Should have called. 48. Look-He's listening to that man's heart. That man ..... be a doctor A) Can't. B) Might. C) Might not. D) Must. Show Answer Correct Answer: D) Must. 49. The traffic is moving very slowly; there ..... an accident ahead. A) Must be. B) Might. C) Can't. D) None of the above. Show Answer Correct Answer: A) Must be. 50. It's 5am. He ..... be at work. He only starts at 8. A) Must. B) Can't. C) All the above. D) None of the above. Show Answer Correct Answer: B) Can't. 51. Match the deduction of their meanings:a. He can't be a smuggler A) I'm certain he's not a smuggler. B) I think it's possible he's a smuggler. C) I'm certain he's a smuggler. D) None of the above. Show Answer Correct Answer: A) I'm certain he's not a smuggler. 52. She ..... be pregnant again. She's just had a baby! A) Could. B) Can't. C) All the above. D) None of the above. Show Answer Correct Answer: B) Can't. 53. We ..... earlier. Now the restaurant's closed. A) Might have left. B) Can't have left. C) Should have left. D) None of the above. Show Answer Correct Answer: C) Should have left. 54. I can't have eaten your ham sandwich because I ..... meat. A) Eat. B) Don't eat. C) All the above. D) None of the above. Show Answer Correct Answer: B) Don't eat. 55. You ..... be serious. (It sounds like a joke or something unbelievable.) A) Might. B) Must. C) Can't. D) None of the above. Show Answer Correct Answer: C) Can't. 56. I'm sure Dan Cooper jumped out of the plane. A) He must have jumped out of the plane. B) He can't have jumped out of the plane. C) He must have jump out f the plane. D) He might have jumped out of the plane. Show Answer Correct Answer: A) He must have jumped out of the plane. 57. Anthony is very stressed out lately. I am not sure but he ..... gone on vacation. A) Mustafa. B) Must have. C) Can't have. D) Might have. Show Answer Correct Answer: D) Might have. 58. Sorry but I'm not Laura. You ..... be confusing me for someone else. A) Might. B) Must. C) All the above. D) None of the above. Show Answer Correct Answer: B) Must. 59. What is the right structure to do the past modals of deduction A) Pronoun +auxiliare +past participle+modals. B) Modals +past participle +auxiliare. C) Pronoun +modals +auxiliare +past participle. D) None of the above. Show Answer Correct Answer: C) Pronoun +modals +auxiliare +past participle. 60. I don't suppose she was sleeping when you called her. A) She must have been sleeping when you called her. B) She can't have been sleeping when you called her. C) She might have been sleeping when you called her. D) She may have been sleeping when you called her. Show Answer Correct Answer: B) She can't have been sleeping when you called her. ← 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