This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Modals Of Deduction – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Modals Of Deduction Quiz 3 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. You're likely to have an exam later.It refers to the ..... A) Present. B) Past. C) Future. D) None of the above. Show Answer Correct Answer: C) Future. 2. Someone broke into the jewelry store last night, but there's no sign of forced entry.What can the police deduce? A) "The thief must have used a key.". B) "The thief might have forgotten to lock the door.". C) "The thief can't have been working alone.". D) "The thief must not have come through the window.". Show Answer Correct Answer: A) "The thief must have used a key.". 3. He ..... their son. They have only daughters. A) A. might be. B) B. can't be. C) C. mustn't be. D) None of the above. Show Answer Correct Answer: B) B. can't be. 4. This food was rotten. That ..... the reason why most people got sick. A) Could have been. B) May not have been. C) May be. D) None of the above. Show Answer Correct Answer: A) Could have been. 5. You've been working in the garden all day. You ..... be tired. A) May. B) Can't. C) Must. D) Could. Show Answer Correct Answer: C) Must. 6. I've got no idea where she is. Try the library. She ..... be in there. A) Might. B) Will. C) Can. D) Must. Show Answer Correct Answer: A) Might. 7. I don't like the sound of the engine. It ..... be a mechanical problem. A) Can't. B) Must. C) Might. D) None of the above. Show Answer Correct Answer: C) Might. 8. They ..... go to Jamaica on their holiday but they are not sure. A) Must. B) Can't. C) Could. D) None of the above. Show Answer Correct Answer: C) Could. 9. Judging by the present evidence, we think he ..... used a disguise. A) Might have. B) Probably. C) Might. D) 1 and 2 are both possible. Show Answer Correct Answer: D) 1 and 2 are both possible. 10. We agreed to meet yesterday but when I got there I didn't see him. He ..... waiting elsewhere. A) Might have / may have. B) Must have/ should have. C) Have to have/ would have. D) None of the above. Show Answer Correct Answer: A) Might have / may have. 11. He ..... live near here because he comes to work on foot. A) Can't. B) Must have. C) Must. D) Can't have. Show Answer Correct Answer: C) Must. 12. Sorry, I don't know if she's here or not. She was feeling ill so she ..... gone home. A) Must have. B) Might have. C) Can't have. D) None of the above. Show Answer Correct Answer: B) Might have. 13. We use " ..... " to say that something is true. A) Must. B) Can't. C) May/might/could. D) None of the above. Show Answer Correct Answer: A) Must. 14. Do you remember my birthday party last year? You ..... remember! It was the same day as your graduation. A) Can't. B) Could. C) Must. D) None of the above. Show Answer Correct Answer: C) Must. 15. Your watch says a different time from mine. One of them ..... be wrong. A) Must. B) Can't. C) Might not. D) Might. Show Answer Correct Answer: A) Must. 16. You ..... Joanna this morning. She's in New York this week. A) Must have seen. B) Can't see. C) Can't have seen. D) Might see. Show Answer Correct Answer: C) Can't have seen. 17. Wow! Have you finished the whole pizza already? You ..... been hungry! A) Must have. B) May have. C) Can't have. D) None of the above. Show Answer Correct Answer: A) Must have. 18. I ..... go to the party but I'm not sure yet. A) Might. B) Can't. C) All the above. D) None of the above. Show Answer Correct Answer: A) Might. 19. Maybe talking to Ian will help you to solve the problem. Talking to Ian ..... A) MIGHT HELP. B) COULD HAVE HELPED. C) CAN HELP. D) None of the above. Show Answer Correct Answer: A) MIGHT HELP. 20. I'm sorry but Mr. Banks isn't here. He ..... left. (100% certain) A) Can't have. B) Might have. C) Must have. D) None of the above. Show Answer Correct Answer: C) Must have. 21. It's possible that Cristina is at home now. A) She could be at home now. B) She could have been at home now. C) She must be at home now. D) None of the above. Show Answer Correct Answer: A) She could be at home now. 22. Which sentence is NOT a correct sentence? A) Erin may have missed the train. B) Erin must have missed the train. C) Erin can have missed the train. D) None of the above. Show Answer Correct Answer: C) Erin can have missed the train. 23. Modals of deduction always have one correct answer. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. You hear loud music coming from your neighbor's apartment at 3 am. What is the most reasonable assumption? A) They could be practicing their musical instrument late at night. B) They can't possibly be asleep right now. C) They shouldn't be making so much noise at this hour. D) They must be having a party with a lot of guests. Show Answer Correct Answer: D) They must be having a party with a lot of guests. 25. I'm sorry but Mr. Banks isn't here. He ..... left. A) Can't have. B) Might have. C) Must have. D) Should have. Show Answer Correct Answer: C) Must have. 26. Lucas is really sad. He ..... have lost the competition. A) Could. B) Must. C) Can't. D) None of the above. Show Answer Correct Answer: B) Must. 27. He might ..... phoned but I wasn't in. A) Has. B) Had. C) Have. D) None of the above. Show Answer Correct Answer: C) Have. 28. Which sentence means:I think that talking to Ian will probably help you solve the problem. A) Talking to Ian might help. B) Talking to Ian must help. C) Talking to Ian can't help. D) None of the above. Show Answer Correct Answer: A) Talking to Ian might help. 29. She ..... at the party because she was out of town. A) Couldn't has been. B) Couldn't have. C) Couldn't have been. D) None of the above. Show Answer Correct Answer: C) Couldn't have been. 30. Choose the correct answer where it is the past modals of deduction A) They might be stolen the store. B) They could have stolen the store. C) They could have steal the store. D) None of the above. Show Answer Correct Answer: B) They could have stolen the store. ← PreviousNext →Related QuizzesAuxiliary Verbs QuizzesVerbs QuizzesModals Of Deduction Quiz 1Modals Of Deduction Quiz 2Modals Of Deduction Quiz 4Modals Of Deduction Quiz 5Modals 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