This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Modals Of Deduction – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Modals Of Deduction Quiz 11 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A person ..... eat balanced diet. A) Should. B) Has to. C) Must. D) Have to. Show Answer Correct Answer: A) Should. 2. Someone told me that Mark was in Mexico but I saw him yesterday so I'm sure he ..... be abroad. A) Can't. B) Must. C) May not. D) None of the above. Show Answer Correct Answer: A) Can't. 3. They live in a huge house. They ..... be very rich. A) Must. B) Can't. C) All the above. D) None of the above. Show Answer Correct Answer: A) Must. 4. She ..... steal things from shops. She's rich and famous. A) Can't. B) May. C) All the above. D) None of the above. Show Answer Correct Answer: A) Can't. 5. Read the sentences and choose the correct speculations or deductions:Jeremy was not in class at 11:00 a.m. this morning. Carol saw him coming out of the theater downtown around noon. A) He could have been at the hospital. B) He must have gone to the movies. C) He must not have skipped class. D) None of the above. Show Answer Correct Answer: B) He must have gone to the movies. 6. I don't know where they went but they ..... gone to Paris or Marseille. A) Must have. B) Can have. C) Could have. D) None of the above. Show Answer Correct Answer: C) Could have. 7. There ..... be a dog in that bag. It's moving. A) Must. B) Could. C) All the above. D) None of the above. Show Answer Correct Answer: B) Could. 8. I'm not sure, but they ..... the wrong train. They're still not here. A) Must have taken. B) Might have taken. C) Should have taken. D) None of the above. Show Answer Correct Answer: B) Might have taken. 9. He must ..... the meeting; he's not here. (The meeting started an hour ago, and he never misses it.) A) Forget. B) Be forgetting. C) Have forgotten. D) None of the above. Show Answer Correct Answer: C) Have forgotten. 10. Police are convinced the paintings ..... taken out of the country already. A) Must have. B) May have. C) Might have been. D) Must have been. Show Answer Correct Answer: D) Must have been. 11. The building isn't hard to find. It's the green one at the end of the street ..... miss it. A) Must. B) May. C) Can't. D) None of the above. Show Answer Correct Answer: C) Can't. 12. I'm sure you are right. You ..... be right A) Could. B) Can't. C) Must. D) Might. Show Answer Correct Answer: C) Must. 13. Bill isn't at work today. He must ..... ill. A) Feel. B) Be feeling. C) Have felt. D) None of the above. Show Answer Correct Answer: B) Be feeling. 14. He ..... be her boyfriend, they are holding hands. A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: A) Must. 15. I cannot confirm it, but I believe that they ..... a new Marvel's movie. A) Might have produce. B) May have produced. C) Can't have produced. D) None. Show Answer Correct Answer: B) May have produced. 16. 'I'm worried about Grandma. I tried to call her but she's not answering her phone." She ..... be out. Or she might be asleep-she sometimes has a nap in the afternoon.' A) Might. B) Must. C) Can't. D) None of the above. Show Answer Correct Answer: A) Might. 17. "Mustn't" expresses when we are sure that something is not true. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 18. I don't see him anywhere, he ..... be late, as usual ..... A) Must. B) Can't. C) May. D) None of the above. Show Answer Correct Answer: A) Must. 19. They ..... taken a different route to avoid traffic. A) Can have. B) Could have. C) All the above. D) None of the above. Show Answer Correct Answer: B) Could have. 20. Oliver must really love that movie. He's seen it ..... A) Once. B) Ten times. C) All the above. D) None of the above. Show Answer Correct Answer: B) Ten times. 21. She tends to ..... a decision. She is not that kind of girl who doesn't think about the consequences. A) THINK OVER. B) TALK OVER. C) IGNORE. D) None of the above. Show Answer Correct Answer: A) THINK OVER. 22. Tanya doesn't have blonde hair like that. That ..... A) Could be her. B) Can't be her. C) Must be. D) None of the above. Show Answer Correct Answer: B) Can't be her. 23. You seem to know everything about that old band. You ..... (listen) to them a lot! A) Couldn't have listened. B) Must have listened. C) Might have listened. D) May have listened. Show Answer Correct Answer: B) Must have listened. 24. -Do you know where Carl is?-He ..... be out. His car keys are on the table. A) Must. B) Could. C) Can't. D) None of the above. Show Answer Correct Answer: C) Can't. 25. That ..... Jack's car. His car is red. A) CAN'T BE. B) MUST BE. C) MIGHT BE. D) None of the above. Show Answer Correct Answer: A) CAN'T BE. 26. Mustafa did no revision for the exam but he's passed. I think he ..... cheated. A) Might have. B) Couldn't have. C) Shouldn't have. D) Must have. Show Answer Correct Answer: A) Might have. 27. ..... + base form of a verb is used when we are sure something A) Might / it is possible. B) Must / believe. C) Can't / isn't true. D) None of the above. Show Answer Correct Answer: C) Can't / isn't true. 28. Denis ..... lost. He knows this neighborhood like the back of his hand! A) May have got. B) May have get. C) Must have got. D) Can't have got. Show Answer Correct Answer: D) Can't have got. 29. I'm not sure but they ..... have gone to the wrong address. A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: C) Might. 30. Your neighbor ..... have a good job. Those cars are too expensive! A) Might not. B) Must. C) All the above. D) None of the above. Show Answer Correct Answer: B) Must. 31. Match the deduction of their meanings:a. He must 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: C) I'm certain he's a smuggler. 32. It could be fake news.2. That's definitely not fake news. A) Same meaning. B) Different meaning. C) All the above. D) None of the above. Show Answer Correct Answer: B) Different meaning. 33. His car's not here. He (a) have gone out. A) Mustn't. B) Can. C) Can't. D) A. must. Show Answer Correct Answer: D) A. must. 34. It's possible that Guillermo missed his plane because he didn'thave his passport. A) He might have missed the plane. B) He could have missed the plane. C) He must have missed the plane. D) None of the above. Show Answer Correct Answer: A) He might have missed the plane. 35. Fany told her mother that she liked her haircut, but she had a strange expression on her face when she said it. A) She couldn't have gotten a haircut. B) She might have told a white lie. C) She should have telling the truth. D) None of the above. Show Answer Correct Answer: B) She might have told a white lie. 36. He must be a tourist ..... A) He's looking at a map. B) He's wearing school uniform. C) It's freezing and he isn't wearing a jumper. D) None of the above. Show Answer Correct Answer: A) He's looking at a map. 37. Modal verbs of deduction can only be used to make present tense deductions. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 38. Zeliha ..... been so happy when she found out she was being promoted A) Shouldn't have. B) Can't have. C) Must have. D) Couldn't have. Show Answer Correct Answer: C) Must have. 39. My little sister can't speak yet. She's only 1 year old now. A) Past ability. B) Lack of ability. C) Advice. D) Possibility. Show Answer Correct Answer: B) Lack of ability. 40. What a great show! They ..... go on a world tour. A) Can't. B) Might. C) Must. D) None of the above. Show Answer Correct Answer: C) Must. 41. Her passport is full of visa stamps. She ..... travel a lot. A) Can't. B) Might. C) Must. D) None of the above. Show Answer Correct Answer: C) Must. 42. Where's Clare? Her bag's here and her computer's still on so she ..... gone home. A) Must have. B) Might have. C) Can't have. D) None of the above. Show Answer Correct Answer: C) Can't have. 43. Which sentence is correct? My purse isn't in my pocket. It ..... A) Must in my bag. B) Mustn't be in my bag. C) Must be in my bag. D) In my bag be must. Show Answer Correct Answer: C) Must be in my bag. 44. The house isn't hard to find. It's the red one at the end. You ..... miss it! A) Might. B) Can't. C) Must. D) None of the above. Show Answer Correct Answer: B) Can't. 45. "I've bought a lottery ticket.""Wow!!! With luck you ..... become a millionaire!" A) Must. B) Can't. C) Could. D) None of the above. Show Answer Correct Answer: C) Could. 46. You ..... seen Robert; he has gone to Thailand. A) Can't have. B) Must have. C) Might have. D) Could have. Show Answer Correct Answer: A) Can't have. 47. Carmen looked very sad. She had 5/10 and ..... passed her final exam. A) Couldn't have. B) Mustn't have. C) Might have. D) None of the above. Show Answer Correct Answer: B) Mustn't have. 48. They ..... still be out, I'm sure! A) Can't. B) May. C) All the above. D) None of the above. Show Answer Correct Answer: A) Can't. 49. I'm so thankful for your help with this project. I ..... have done it without you! A) Can't. B) Could. C) Couldn't. D) Must. Show Answer Correct Answer: C) Couldn't. 50. They ..... a surprise for her birthday. They are talking about something. A) Might have planned. B) May be planning. C) Must be planning. D) None of the above. Show Answer Correct Answer: B) May be planning. 51. They ..... be Spanish, they're speaking Portuguese. A) Mustn't. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: B) Can't. 52. She's won prizes for her research. She (a) be really intelligent. A) Could. B) A. must. C) Can't. D) May. Show Answer Correct Answer: B) A. must. 53. I'm sure that that woman isn't Joan's mother-she's too young. A) She can't be Joan's mother. B) She couldn't have been Joan's mother. C) She might be Joan's mother. D) None of the above. Show Answer Correct Answer: A) She can't be Joan's mother. 54. He's got a Ferrari. He ..... be rich. A) Can't. B) Might. C) Must. D) None of the above. Show Answer Correct Answer: C) Must. 55. I can't confirm it but I believe that they ..... a new arvel's movie. A) May have produced. B) Can't have produced. C) Must have produced. D) None of the above. Show Answer Correct Answer: A) May have produced. 56. Match the deduction of their meanings:a. He might 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: B) I think it's possible he's a smuggler. 57. I ..... have won the match, but as it was cancelled, we'll never know. A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: C) Might. 58. I can't remember what Janet bought Peter for his birthday. It could be a wallet or ..... A) It can't be an umbrella. B) It must be an umbrella. C) It might be an umbrella. D) None of the above. Show Answer Correct Answer: C) It might be an umbrella. 59. 'Where's Kim?' I'm not sure. Try her office-she ..... be in there.' A) Might. B) Must. C) Can't. D) None of the above. Show Answer Correct Answer: A) Might. 60. "Marcus didn't come to the meeting yesterday.""Really? He ..... invited." A) Might not have been. B) Mustn't have been. C) Couldn't be. D) May not be. Show Answer Correct Answer: A) Might not have been. ← 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