This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Modals Of Deduction – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Modals Of Deduction Quiz 8 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Choose the correct modal verb.She ..... be right-she often is. A) Must. B) Might well. C) Can't. D) Might. Show Answer Correct Answer: A) Must. 2. Jenny ..... have gone out tonight, I know that she's sick at home. A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: B) Can't. 3. What's the noise? I don't know. It ..... be a burglar. A) Can't. B) Must. C) Might. D) None of the above. Show Answer Correct Answer: C) Might. 4. This bill ..... be right. I only ordered a salad. A) Can't. B) Could. C) Might. D) Must. Show Answer Correct Answer: A) Can't. 5. Nobody opens the door, they ..... out. A) Might. B) Might be. C) Can't. D) None of the above. Show Answer Correct Answer: B) Might be. 6. Michelle ..... want to participate in the festival-it seems like the type of thing she'd be interested in. Why don't you ask her? A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: C) Might. 7. The antibiotics didn't work. A) His body may have become resistant to antibiotics. B) His body may not have become resistant to antibiotics. C) His body may have resistant to antibiotics. D) None of the above. Show Answer Correct Answer: A) His body may have become resistant to antibiotics. 8. It ..... have rained a lot last night-there are puddles everywhere. A) Might. B) Must. C) Could. D) May. Show Answer Correct Answer: B) Must. 9. The exam ..... (be) very difficult. Only one person passed. A) Must have been. B) Might have been. C) Can't have been. D) None of the above. Show Answer Correct Answer: A) Must have been. 10. Noboody knows how exactly Amelia Earhearth died. One of the theories is that she ..... because she couldnt find anything to eat. A) Can't have died. B) Must have died. C) Shouldn't have died. D) Might have died. Show Answer Correct Answer: D) Might have died. 11. We're not sure if this painting is an original. It ..... be worth thousands of dollars. A) Could. B) Must. C) Can't. D) Might. Show Answer Correct Answer: D) Might. 12. He ..... be from France! He doesn't speak French. A) May. B) Can't. C) All the above. D) None of the above. Show Answer Correct Answer: B) Can't. 13. Oh, we have a missed call. It ..... (be) Kate. She always calls on Wednesday. **(Assuming today is Wednesday). A) Must have been. B) Can't have been. C) Might have been. D) Had to be. Show Answer Correct Answer: A) Must have been. 14. Sara is very busy. She ..... be able to to come to the party tonight. A) Must. B) Might not. C) All the above. D) None of the above. Show Answer Correct Answer: B) Might not. 15. They ..... very happy about working during the night.I am sure. A) Might not are. B) Can't be. C) May are. D) None of the above. Show Answer Correct Answer: B) Can't be. 16. She must have left because her car is ..... A) Still here. B) Not here. C) All the above. D) None of the above. Show Answer Correct Answer: B) Not here. 17. A:It ..... be Jane's mother, look how similar they are.B:Or it might be her older sister, Kate A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: C) Might. 18. I left my bycicle in front of the library and it's disappeared. Someone ..... stolen it. A) Must have. B) Must. C) Mustn't have. D) Mightn't. Show Answer Correct Answer: A) Must have. 19. It ..... be true about Big Foot living in your backyard. It's impossible A) May. B) Can't. C) All the above. D) None of the above. Show Answer Correct Answer: B) Can't. 20. A:We walked all the way home in the snow.B:Wow-that (a) cold! A) May have been. B) Might not have been. C) A. must have been. D) Can't have been. Show Answer Correct Answer: C) A. must have been. 21. They ..... be right about a monster living in Loch Ness. It's impossible. A) Can't. B) May. C) All the above. D) None of the above. Show Answer Correct Answer: A) Can't. 22. I see several suitcases by the door and a plane ticket on the table. What is the most likely deduction? A) They could be going on vacation. B) They're probably just organizing their belongings. C) They must be moving to a new house. D) They must be checking in for a flight. Show Answer Correct Answer: A) They could be going on vacation. 23. If she didn't call you back, it ..... because she was busy A) Must have been. B) Must be. C) Must have felt. D) Might have been. Show Answer Correct Answer: D) Might have been. 24. Oliver ..... really love that film. He has seen it ten times. A) Can. B) May. C) Must. D) None of the above. Show Answer Correct Answer: C) Must. 25. What is the purpose of past modals of deduction A) In a sentence by expressing possibility, ability, permission, or obligation. B) To make guesses about something that happened in the past. C) It is used as an auxiliary to form the past perfect forms. D) None of the above. Show Answer Correct Answer: B) To make guesses about something that happened in the past. 26. The restaurant ..... be very good. It's ALWAYS full of people. A) Must. B) Can't. C) Could. D) None of the above. Show Answer Correct Answer: A) Must. 27. I wonder who broke the wineglass in the living room, it ..... the cat for she was out all day. A) Mustn't have been. B) Shouldn't have been. C) Mightn't have been. D) Can't have been. Show Answer Correct Answer: D) Can't have been. 28. I'm sorry, you ..... be confusing me with someone else, that's not my name. A) Must. B) Can't. C) May. D) None of the above. Show Answer Correct Answer: C) May. 29. They ..... got in through the window-it's on the 21st floor! A) Must have. B) Might have. C) Can't have. D) Can have. Show Answer Correct Answer: C) Can't have. 30. Brandon ..... earn much money at his job. He's still living with his parents. A) Might. B) Might not. C) Must. D) Can't. Show Answer Correct Answer: D) Can't. 31. The light in Scot's room is on. He ..... computer games. A) Must play. B) Must have played. C) Must be playing. D) None of the above. Show Answer Correct Answer: C) Must be playing. 32. It ..... raining, but I'm not sure. A) Could be. B) Must be. C) Can't be. D) None of the above. Show Answer Correct Answer: A) Could be. 33. You use them to see: A) Hands. B) Eyes. C) Back. D) Knees. Show Answer Correct Answer: B) Eyes. 34. When he was three years old he ..... swim well. A) Could. B) Managed to. C) Can. D) Might. Show Answer Correct Answer: A) Could. 35. Andrew ..... gone to the city centre. He said that he wanted to go shopping today, but I'm not sure. A) Have. B) Can't have. C) Couldn't have. D) Could have. Show Answer Correct Answer: D) Could have. 36. I can't find my umbrella. (I / leave / it in the restaurant last night) A) I must leave it in the restaurant last night. B) I must have left it in the restaurant last night. C) I should have left it in the restaurant last night. D) None of the above. Show Answer Correct Answer: B) I must have left it in the restaurant last night. 37. Sarah looked very happy. She ..... passed her driving test. (100% certain) A) Must have. B) Can't have. C) Couldn't have. D) None of the above. Show Answer Correct Answer: A) Must have. 38. He's working full-time and studying for his Ph.D. That ..... be easy A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: B) Can't. 39. She ..... be awake yet. It's only four o'clock in the morning. A) Can not. B) Might not. C) Must. D) None of the above. Show Answer Correct Answer: B) Might not. 40. He drives an expensive car. He ..... have a good job A) Must. B) Might. C) Could. D) Can. Show Answer Correct Answer: A) Must. 41. Which modal verb completes the following question correctly?We ..... not have bought enough biscuits for everyone. A) Should. B) May. C) Must. D) None of the above. Show Answer Correct Answer: B) May. 42. I ..... not be able to go to the football game. It depends on whether I can get the afternoon off from work. A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: C) Might. 43. He owns three apartments.He ..... be wealthy. A) Must. B) Might. C) Would. D) None of the above. Show Answer Correct Answer: A) Must. 44. He ..... about the meeting since he hasn't shown up yet. A) Might have forgotten. B) Might forgotten. C) Might have. D) None of the above. Show Answer Correct Answer: A) Might have forgotten. 45. There is no way she is a proffessional singer. She ..... be one because she sings horribly. A) Can't. B) Might. C) May. D) Must. E) Could. Show Answer Correct Answer: A) Can't. 46. John has forgotten about the meeting. We ..... him about it yesterday. A) Should have reminded. B) Must have reminded. C) Should have reminding. D) Can have reminded. Show Answer Correct Answer: A) Should have reminded. 47. Can and Can't can be used as possible and impossible. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 48. It's possible John is working on something new. A) He must be writing a novel. B) He could be writing a novel. C) He can't be writing a novel. D) That's not possible. Show Answer Correct Answer: B) He could be writing a novel. 49. My mother ate some chocolate. The doctor said that she must avoid that. A) She must not have eaten chocolate. B) She could have eaten a little. C) She should have eaten Nestle chocolate. D) None of the above. Show Answer Correct Answer: A) She must not have eaten chocolate. 50. The movie ..... have started yet! When I bought the tickets, they said it started at 11 pm and it's only 9! A) Mustn't. B) Can't. C) May not. D) None of the above. Show Answer Correct Answer: B) Can't. 51. The door was locked from the inside, so the person ..... the house yet. A) Can't be left. B) Can't have left. C) Might have left. D) None of the above. Show Answer Correct Answer: B) Can't have left. 52. Daniel records himself playing videogames twice a week. He ..... be a gamer. A) Must. B) Might. C) Can't. D) None of the above. Show Answer Correct Answer: A) Must. 53. That's the second car they have bought in the last 6 months. They ..... rich. A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: A) Must. 54. He told me that he would wait for my call, but now he's not answering his phone. He ..... be in a meeting. A) Can't. B) Might. C) May not. D) Must. Show Answer Correct Answer: D) Must. 55. The restaurant was closed due to health violations. A) It could have been a permanent closure. B) It must not have been a serious issue. C) It may have been a temporary closure. D) None of the above. Show Answer Correct Answer: C) It may have been a temporary closure. 56. Julia was invited to Lisa's party, but she doesn't know what time it starts. She lost the invitation, so she texted Lisa to find out. A) It couldn't be at 2:00 p.m. B) It may be at 2:00 p.m. C) It must be at 2:00 p.m. D) None of the above. Show Answer Correct Answer: B) It may be at 2:00 p.m. 57. He ..... gone to Russia. He didn't have a passport. A) Must have. B) Couldn't have. C) Might not have. D) Might have. Show Answer Correct Answer: B) Couldn't have. 58. That man must be a doctor. A) They finished their dinner an hour ago. B) Look-he's listening to that man's heart. C) It's possible that he's a nurse. D) None of the above. Show Answer Correct Answer: B) Look-he's listening to that man's heart. 59. You hear loud noises coming from your neighbor's house at 3 AM. What could be happening? A) They must be having a party. B) It could be an accident. C) It can't be anything important. D) None of the above. Show Answer Correct Answer: A) They must be having a party. 60. When we aren't so sure, we use ..... or ..... to express doubt. A) Must. B) Can't. C) Could/Might. D) None of the above. Show Answer Correct Answer: C) Could/Might. ← 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books