This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Modals Of Deduction – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Modals Of Deduction Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. I ..... have stolen the jewels! I wasn't even here when that happened! A) Must. B) Might. C) Can't. D) None of the above. Show Answer Correct Answer: C) Can't. 2. You studied all night. You ..... be exhausted. A) Must have. B) Can't have. C) Must. D) Can't. Show Answer Correct Answer: C) Must. 3. Paula ..... be injured. That's her best time ever for a marathon. A) Might. B) Can't. C) All the above. D) None of the above. Show Answer Correct Answer: B) Can't. 4. Chris's things are still here so he ..... gone home. A) Shouldn't have. B) Might have. C) Can't have. D) None of the above. Show Answer Correct Answer: C) Can't have. 5. It's too early to have finished the exam. He ..... have finished. A) Might. B) Can't. C) Shouldn't. D) Mustn't. Show Answer Correct Answer: B) Can't. 6. Tom's phone is switched off. He ..... be on the plane now, or just boarding. A) Might not. B) Couldn't. C) Can't have. D) Might. Show Answer Correct Answer: D) Might. 7. I think that man ..... need our help. I don't think he can swim. A) Must. B) Might / could. C) All the above. D) None of the above. Show Answer Correct Answer: B) Might / could. 8. He ..... spoken to his boss like that. It cost him the promotion. A) Shouldn't have. B) Must have. C) Could have. D) Might have. Show Answer Correct Answer: A) Shouldn't have. 9. Sarah never stops talking about Steve. She ..... be in love with him! A) Can't. B) Might. C) Must. D) May not. Show Answer Correct Answer: C) Must. 10. Take this umbrella just in case. It looks as if it ..... rain. A) Might/may/could. B) Must. C) Can't. D) None of the above. Show Answer Correct Answer: A) Might/may/could. 11. Choose the correct modal verbs.Dario and Carlos ..... be in the same class, but I'm not sure. A) Could. B) Couldn't. C) Can't. D) Must. Show Answer Correct Answer: A) Could. 12. They ..... very happy about working during the night. A) Might not are. B) May are. C) Are may not. D) Can't be. Show Answer Correct Answer: D) Can't be. 13. Sheila got a tan. She ..... spent a lot of time in the sun lately. A) Can't have. B) Can't. C) Must have. D) Must. Show Answer Correct Answer: C) Must have. 14. Dan never misses an important test. He ..... A) Might not know about the test today. B) Must know about the test today. C) Couldn't know about the test today. D) None of the above. Show Answer Correct Answer: A) Might not know about the test today. 15. She ..... be in the office-she flew to Beijing yesterday A) May. B) Can't. C) Must. D) Might. Show Answer Correct Answer: B) Can't. 16. Samuel ..... He said he was sick, but I saw him at a friend's party. He was having so much fun. A) Can't have lied. B) Might have lied. C) Must have lied. D) None of the above. Show Answer Correct Answer: C) Must have lied. 17. He ..... have bought that house because he doesn't have any money. A) Can't. B) Might. C) All the above. D) None of the above. Show Answer Correct Answer: A) Can't. 18. We're certain that he isn't using your computer.2. He can't be using your computer. A) Same meaning. B) Different meaning. C) All the above. D) None of the above. Show Answer Correct Answer: A) Same meaning. 19. Oh, great! His car's here. He ..... come home earlier than planned. A) Must have. B) Might have. C) Can have. D) None of the above. Show Answer Correct Answer: A) Must have. 20. He ..... have his own house. He's only a small child. A) Must. B) Can't. C) Could. D) None of the above. Show Answer Correct Answer: B) Can't. 21. How many lessons ..... before you passed your tests? A) Do you have. B) Had you had. C) Were you having. D) Have you had. Show Answer Correct Answer: B) Had you had. 22. Paul: "Why are you so sure that Ann didn't commit the crime she's been accused of committing?"Rosy: "She ..... that crime because I was with her, and we were out of town on that day." A) Couldn't have committed. B) Wasn't supposed to commit. C) Committed. D) May not have committed. Show Answer Correct Answer: A) Couldn't have committed. 23. Jules is very busy. She ..... be able to come tonight. A) Might not. B) Must. C) Might. D) Can. Show Answer Correct Answer: A) Might not. 24. You just ate a huge dinner! You ..... be hungry again already! A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: B) Can't. 25. He ..... his work already but I'm not sure. A) Must have finished. B) Might have finished. C) Can't have finished. D) None of the above. Show Answer Correct Answer: B) Might have finished. 26. This song ..... be very popular. I have never heard it before. A) Must. B) Might. C) Can't. D) None of the above. Show Answer Correct Answer: C) Can't. 27. Look at that guy's enormous muscles. He ..... work out a lot. A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: A) Must. 28. Max isn't replying to my texts. He ..... taken his phone with him. A) Can't have. B) Might have. C) Must have. D) None of the above. Show Answer Correct Answer: A) Can't have. 29. You ..... seen her, surely! She was standing right in front of you. A) Couldn't have. B) May have. C) Might have. D) Must have. Show Answer Correct Answer: D) Must have. 30. They ..... been at the cafe, but I didn't see them. A) Can't have. B) Might have. C) Can have. D) Couldn't have. Show Answer Correct Answer: B) Might have. 31. We ..... have known about this; nobody told us anything about it. A) Could. B) Couldn't. C) Can't. D) Must. Show Answer Correct Answer: B) Couldn't. 32. A:Look at her diamond ring. B:Yes, it ..... cost a fortune. A) Must have. B) Can't have. C) All the above. D) None of the above. Show Answer Correct Answer: A) Must have. 33. 'Where's Kim?'I'm not sure. Try her office-she ..... be in there.' A) Mustn't. B) Might. C) Can't. D) Must. Show Answer Correct Answer: B) Might. 34. The suspect was seen leaving the building right before the fire started.What can the investigators conclude? A) "He might not have realized there was a fire when he left.". B) "He must have started the fire.". C) "He must not have been paying attention to the smoke.". D) "He can't have left the building before the fire if he was innocent.". Show Answer Correct Answer: B) "He must have started the fire.". 35. It ..... be cold in that house. deduction:It's possible that it is A) May-might-could. B) Must. C) Can't. D) Might not. Show Answer Correct Answer: A) May-might-could. 36. It's possible that Janet's car broke down before she reached London. A) The car could break down. B) The car must have broken down. C) The car might have broken down. D) None of the above. Show Answer Correct Answer: C) The car might have broken down. 37. I ..... revised more for the exam. I was lazy and now I'll fail. A) Can't have. B) Must have. C) Could have. D) Should have. Show Answer Correct Answer: D) Should have. 38. Liam had no doubts. He said he ..... have enrolled the girl to participate in the contest, as the payment is reflected in the system. A) Must. B) May. C) Can. D) None of the above. Show Answer Correct Answer: A) Must. 39. You ..... shouted at Pamela. She's very upset. A) Shouldn't have. B) Mustn't have. C) Couldn't have. D) None of the above. Show Answer Correct Answer: A) Shouldn't have. 40. He ..... be American. He's wearing a baseball cap. A) Must. B) Can. C) Might. D) None of the above. Show Answer Correct Answer: C) Might. 41. A:Someone is calling you! It says is your brother. B:My brother's phone is right next to me. It's not him. Check again. A) It must have been her brother. B) It may have been a paranormal experience. C) It couldn't have been her brother. D) None of the above. Show Answer Correct Answer: C) It couldn't have been her brother. 42. 'Is that Suzie's jacket?" No, it ..... be-it's too big.' A) Might not. B) Mustn't. C) Can't. D) None of the above. Show Answer Correct Answer: C) Can't. 43. The restaurant is always full, so it ..... be popular. A) MIGHT. B) MAY. C) MUST. D) CAN'T. Show Answer Correct Answer: C) MUST. 44. It's snowing in England. It must be very cold there. A) Logical deduction. B) Permission. C) Internal obligation. D) Advice. Show Answer Correct Answer: A) Logical deduction. 45. There was a terrible E. Coli outbreak at the school. A) It may not have been the poor hygiene standards. B) It must have been the poor hygiene standards. C) It must have the poor hygiene standards. D) None of the above. Show Answer Correct Answer: B) It must have been the poor hygiene standards. 46. The cake is all brown. Obviously, it ..... be a chocolate cake. A) Must. B) Might. C) Can't. D) None of the above. Show Answer Correct Answer: A) Must. 47. A:Pamela isn't answering her phone.B:She ..... switched it off or left it at home. A) Must have. B) Can't have. C) Might have. D) None of the above. Show Answer Correct Answer: C) Might have. 48. The team has been practicing hard all week; they ..... be ready for the championship. A) Must. B) Can't. C) Might not. D) None of the above. Show Answer Correct Answer: A) Must. 49. A:I think I saw Angela on the bus today.B:No, it (a) Angela-she's on holiday in the mountains this week. A) Might not have been. B) May have been. C) A. can't have been. D) Must can't been. Show Answer Correct Answer: C) A. can't have been. 50. That man ..... be Tim's father-he looks just like him. A) Couldn't. B) Must. C) Can't. D) None of the above. Show Answer Correct Answer: B) Must. 51. The shops ..... be closed by now. What time do they close on Thursdays? A) Can't. B) Could. C) Must. D) None of the above. Show Answer Correct Answer: B) Could. 52. They may have already eaten.It refers to the ..... A) Present. B) Past. C) Future. D) None of the above. Show Answer Correct Answer: B) Past. 53. You ..... (nie wolno) drink here. A) Mustn't. B) Can. C) Should. D) Have to. Show Answer Correct Answer: A) Mustn't. 54. Come on! He looks too young. He ..... be the teacher. A) Must. B) Might. C) Can't. D) None of the above. Show Answer Correct Answer: C) Can't. 55. Samira has flu. We don't know yet but she ..... need to take the whole week off. A) Can't. B) Must. C) Might. D) Might not. Show Answer Correct Answer: C) Might. 56. There ..... have been 80, 000 people at the game. It was so crowded. A) Can't. B) Must. C) Might. D) None of the above. Show Answer Correct Answer: A) Can't. 57. Melissa is an excellent soccer player, and she scored the most goals for her team last year. A) She might have been the best player on the team. B) She couldn't have scored any goals. C) She may not be on the team. D) None of the above. Show Answer Correct Answer: A) She might have been the best player on the team. 58. Look at the way that guy's walking. He ..... be drunk! A) Must. B) Might. C) Should. D) Can. Show Answer Correct Answer: A) Must. 59. There are dark clouds in the sky. It ..... rain later, so take an umbrella just in case. A) Can. B) Should. C) Might. D) Must. Show Answer Correct Answer: C) Might. 60. I don't know how he knew about the meeting. He ..... overheard our conversation. A) Might have. B) Should have. C) Must have. D) Can't have. Show Answer Correct Answer: A) Might have. ← 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 6Modals Of Deduction Quiz 7Modals Of Deduction Quiz 8Modals Of Deduction Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books