This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Modals Of Deduction – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Modals Of Deduction Quiz 21 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Levi ..... by now. It's only a 20 minutes journey. A) Must has arrived. B) Must have arrived. C) Must have arrives. D) Musts have arrived. Show Answer Correct Answer: B) Must have arrived. 2. 'I've been working since 5 this morning.' A) 'You might be exhausted!'. B) 'You can be exhausted!'. C) 'You must be exhausted!'. D) 'You would be exhausted!'. Show Answer Correct Answer: C) 'You must be exhausted!'. 3. I don't know why I am so tired these days. I ..... be working too hard or maybe I am not sleeping well. A) Might. B) Can't. C) Must. D) None of the above. Show Answer Correct Answer: A) Might. 4. Andy thinks she's from Australia but I think she ..... be from New Zealand A) Can't. B) Might. C) All the above. D) None of the above. Show Answer Correct Answer: B) Might. 5. That ..... be Danny. He said he was going abroad this week. A) Must. B) Can't. C) May/might/could. D) None of the above. Show Answer Correct Answer: B) Can't. 6. I ..... written down the number incorrectly. I've just called a hospital instead. A) Must have. B) Couldn't have. C) Might have. D) Could have. Show Answer Correct Answer: A) Must have. 7. I'm surprised that Ted isn't here. He ..... that the meeting is today. A) Can't. B) Might not. C) Must. D) Might. Show Answer Correct Answer: B) Might not. 8. They ..... be very happy about working during the night. A) May not/might not. B) Can't. C) May/might/could. D) None of the above. Show Answer Correct Answer: B) Can't. 9. I think the image may be blurred. A) POSIBILITY. B) CERTAINTY. C) IMPOSSIBILITY. D) None of the above. Show Answer Correct Answer: A) POSIBILITY. 10. We can't see her anywhere. She ..... to her house. A) May have been. B) Must have gone. C) Can't go. D) Might gone. Show Answer Correct Answer: B) Must have gone. 11. Anna: "I went with him to show him the way. "Jack: "You ..... that. He knows the way." A) May not have done. B) Needn't have done. C) Shouldn't have done. D) Didn't need to do. Show Answer Correct Answer: B) Needn't have done. 12. Tony's phone is turned off. He ..... be on the plane now. A) May not. B) Might. C) Must. D) Can't. Show Answer Correct Answer: B) Might. 13. If you call Rob now, he ..... finished eating dinner. A) 'll have. B) Must have. C) Can't have. D) None of the above. Show Answer Correct Answer: A) 'll have. 14. Dave ..... like One Direction. He paid a little fortune to that concert ticket. A) Must. B) Could. C) Might. D) None of the above. Show Answer Correct Answer: A) Must. 15. 'Have you see Clara?" She's gone for lunch. She ..... be in the canteen.' A) Would. B) Must. C) Can't. D) None of the above. Show Answer Correct Answer: B) Must. 16. There was one banana left, but now it's gone. My husband ..... eaten it. A) Must. B) Can't have. C) Must have. D) Can't. Show Answer Correct Answer: C) Must have. 17. He ..... his phone at the restaurant. He couldn't find it when he arrived home. A) Must have left. B) Can't have left. C) Could have left. D) None of the above. Show Answer Correct Answer: C) Could have left. 18. We ..... come back to Florida next year, as we've had such a good time. A) Might well. B) Can well. C) Can't. D) None of the above. Show Answer Correct Answer: A) Might well. 19. He ..... be guilty. He's never committed a crime in his life! A) Must. B) Can't. C) All the above. D) None of the above. Show Answer Correct Answer: B) Can't. 20. A person ..... eat balanced diet. A) Have to. B) Should. C) Has to. D) Must. Show Answer Correct Answer: B) Should. 21. 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. 22. 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. 23. 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. 24. 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. 25. 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. 26. 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. 27. 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. 28. 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. 29. Police are convinced the paintings ..... taken out of the country already. A) Must have. B) Must have been. C) Might have been. D) May have. Show Answer Correct Answer: B) Must have been. 30. 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. ← 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