This quiz works best with JavaScript enabled. Home > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Modals Of Deduction – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Modals Of Deduction Quiz 31 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. This insect has four legs. It ..... be a spider because they have 6 legs. A) Must. B) Might. C) Can't. D) None of the above. Show Answer Correct Answer: C) Can't. 2. "Might" expresses a stronger degree of certainty than "could." A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 3. I can't remember my password! But I ..... written it in my notebook as sometimes I do that. A) Must have. B) May have. C) Can't have. D) None of the above. Show Answer Correct Answer: B) May have. 4. Wow-look at that diamond necklace. It ..... cost a fortune A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: A) Must. 5. She must ..... early because her car is not in the parking lot. A) Have left. B) Has left. C) Left. D) None of the above. Show Answer Correct Answer: A) Have left. 6. 'Is that Mr Jones?' A) "No, that can't be him. Mr Jones wears glasses". B) "No, that must be him. Mr Jones wears glasses". C) "No, that mustn't be him. Mr Jones wears glasses". D) None of the above. Show Answer Correct Answer: A) "No, that can't be him. Mr Jones wears glasses". 7. That ..... be James, James wears glasses. Beside that boy is taller than James. A) Must. B) Can't. C) May. D) None of the above. Show Answer Correct Answer: B) Can't. 8. The book isn't on the table. It ..... A) Could be in my bag. B) Couldn't be in my bag. C) Can't be in my bag. D) None of the above. Show Answer Correct Answer: A) Could be in my bag. 9. John ..... been very happy when he found out he was going to be a father. He's wanted this for a long time. A) Must have. B) May have. C) Might have. D) Could have. Show Answer Correct Answer: A) Must have. 10. You ..... be bored already! You've only been here three minutes. A) A. must. B) B. could. C) C. can't. D) None of the above. Show Answer Correct Answer: C) C. can't. 11. Oh no! My phone's not in my bag. I ..... left it at home. A) Must have. B) Can have. C) Couldn't have. D) None of the above. Show Answer Correct Answer: A) Must have. 12. Bill and Sue go on holiday very often, so they ..... be short of money. (it's IMPOSSIBLE!) A) Must. B) Might. C) Can't. D) None of the above. Show Answer Correct Answer: C) Can't. 13. Mike is a vegetarian, so his dish ..... contain any meat. A) Must. B) Can't. C) Might not. D) None of the above. Show Answer Correct Answer: B) Can't. 14. I'm sure he didn't do it =? A) He can't have done it. B) He can't do it. C) He must have done it. D) He might have done it. Show Answer Correct Answer: A) He can't have done it. 15. Sorry, but I'm not Charlie Puth. You ..... me for someone else. A) A. might be confusing. B) B. can't confuse. C) C. must be confusing. D) None of the above. Show Answer Correct Answer: C) C. must be confusing. 16. A:Is that Jane?B:No, it ..... be Jane, she is in Chicago now. A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: B) Can't. 17. Complete with the correct modal verb.This ..... be the first time you've seen this film-it's been out for ages! A) Could. B) Can. C) Must. D) Can't. Show Answer Correct Answer: D) Can't. 18. Ece ..... studied really hard. She passed all her exams with excellent grades. A) Might have. B) Could have. C) Should have. D) Must have. Show Answer Correct Answer: D) Must have. 19. Jane must have forgotten our date-she's usually always on time. A) It is certain. B) It is not certain. C) All the above. D) None of the above. Show Answer Correct Answer: A) It is certain. 20. Sarah must have ..... so happy when she found out she was being promoted. A) Be. B) Is. C) Been. D) Being. Show Answer Correct Answer: C) Been. 21. A:I think I saw Nicholas at the mall yesterday.B:That's impossible. You ..... Nicholas! He has been in hospital since last week. A) Can't have seen. B) Must have seen. C) Mustn't have seen. D) None of the above. Show Answer Correct Answer: A) Can't have seen. 22. The jacket you bought is very good quality. (it / very expensive) A) It must have been very expensive. B) It can't have been very expensive. C) It might be expensive. D) It could be expensive. Show Answer Correct Answer: A) It must have been very expensive. 23. 'Look. Simon's given me a present. What do you think it is?" It ..... be perfume, I suppose. It's about the right size.' A) Can. B) Could. C) Must. D) Can't. Show Answer Correct Answer: B) Could. 24. A:Look at this! I passed the exam without studying!B:Really? That exam ..... have been difficult then! A) Can't. B) Must. C) Might. D) None of the above. Show Answer Correct Answer: A) Can't. 25. She ..... feed her dog! It's starving! A) May. B) Has to. C) Must. D) Could. Show Answer Correct Answer: C) Must. ← 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