This quiz works best with JavaScript enabled. Home > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Modals Of Deduction – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Modals Of Deduction Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. This ..... the right address; it's an empty lot. A) Can't be. B) Must be. C) May be. D) None of the above. Show Answer Correct Answer: A) Can't be. 2. She always gets such good grades at school. She ..... work very hard. A) Must. B) May. C) Might. D) Can't. Show Answer Correct Answer: A) Must. 3. Alex got the job-he ..... have been pleased A) Could. B) Can't. C) Must. D) None of the above. Show Answer Correct Answer: C) Must. 4. That's unbelievable! They ..... Brad Pitt at Bicentenario Park! A) Can't have met. B) Could have met. C) Must have met. D) None of the above. Show Answer Correct Answer: A) Can't have met. 5. Look at that guy over there. He's only got a T-shirt on and it's 5 degrees. He ..... be freezing! A) Might. B) Must. C) Can. D) None of the above. Show Answer Correct Answer: B) Must. 6. The car does not start; there ..... something wrong with the engine. A) Might. B) Can't be. C) Must be. D) None of the above. Show Answer Correct Answer: C) Must be. 7. A:Who's at the door? B:I don't know; it ..... be John. A) Must. B) May. C) Can't. D) None of the above. Show Answer Correct Answer: B) May. 8. Nobody answered the telephone at the dentist. I called several times. They ..... early. A) Cant have left. B) Must have left. C) Might have left. D) Should have left. Show Answer Correct Answer: B) Must have left. 9. They ..... be very wealthy because they own a private jet and three luxury yachts. A) May. B) Can. C) Must. D) Could. Show Answer Correct Answer: C) Must. 10. 'There's someone at the door." It ..... be John. He just called to say he was coming.' A) Couldn't. B) Must. C) Can't. D) None of the above. Show Answer Correct Answer: B) Must. 11. The baby is crying; he ..... hungry. A) Must be. B) Can't be. C) Might not be. D) None of the above. Show Answer Correct Answer: A) Must be. 12. We use the modal verbs may, ..... and could + base form of a verb when we think ..... that something is true. A) Might / it is possible. B) Must / believe. C) Can't / isn't true. D) None of the above. Show Answer Correct Answer: A) Might / it is possible. 13. It can't be a spider, it only has ..... legs. A) Six. B) Eight. C) All the above. D) None of the above. Show Answer Correct Answer: A) Six. 14. I can't find my cat anywhere. I know; he ..... escaped through the window again. A) Must have. B) Shouldn't have. C) May have. D) Might have. Show Answer Correct Answer: A) Must have. 15. The room is completely empty, and the windows are closed. What might have caused the mess inside? A) It must have been an earthquake. B) It can be the wind. C) It could have been the cat. D) None of the above. Show Answer Correct Answer: C) It could have been the cat. 16. You ..... 200 friends on Facebook, but how many of them are truly your friends? A) Couldn't have been. B) Can't be. C) Must be. D) Might have. E) Must have felt. Show Answer Correct Answer: D) Might have. 17. I'm sure they ..... be planning something special for the party. A) Must. B) Could. C) Can. D) None of the above. Show Answer Correct Answer: A) Must. 18. Are your neighbors away? All the curtains are closed. I'm not sure. I suppose they ..... be on holiday. A) Can. B) Must. C) All the above. D) None of the above. Show Answer Correct Answer: B) Must. 19. This sentence is wrong. What is the mistake?It's six o'clock. She must have leave work by now. A) The modal. B) The tense of the second sentence. C) Nothing, it is correct. D) None of the above. Show Answer Correct Answer: B) The tense of the second sentence. 20. You ..... paid more attention. Now we are lost. A) Ought to have. B) Can't have. C) Must have. D) None of the above. Show Answer Correct Answer: A) Ought to have. 21. That ..... be Amanda in the shop. She's on holiday. A) Can't. B) Must. C) Could. D) None of the above. Show Answer Correct Answer: A) Can't. 22. He may be in his room.It refers to the ..... A) Present. B) Past. C) Future. D) None of the above. Show Answer Correct Answer: A) Present. 23. He ..... have passed his driving test. I'm sure because he practiced a lot. A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: A) Must. 24. A:I don't know how the cat escaped. B:It ..... out of the window. It was open when I arrived home. A) Must have gone. B) Should have gone. C) Can't have gone. D) Might have gone. Show Answer Correct Answer: A) Must have gone. 25. There is a man behind us. He has been walking behind us for the last 20 minutes. He must ..... us. A) Be following. B) Follow. C) Have followed. D) None of the above. Show Answer Correct Answer: A) Be following. ← 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