This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Modals Of Deduction – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Modals Of Deduction Quiz 20 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. It's very windy. It ..... get cold tonight. A) Can't. B) May. C) All the above. D) None of the above. Show Answer Correct Answer: B) May. 2. The phone is ringing. It ..... be Charlotte; she said she would call this morning. A) Can. B) Can't. C) Must. D) None of the above. Show Answer Correct Answer: C) Must. 3. There is a lot of traffic, so I ..... arrive on time. A) Must. B) May not. C) All the above. D) None of the above. Show Answer Correct Answer: B) May not. 4. She ..... , which is why she isn't hungry. A) May already eaten. B) May have already eaten. C) May has already eaten. D) None of the above. Show Answer Correct Answer: B) May have already eaten. 5. My mobile isn't in my bag. I ..... it at home. A) Can't have left. B) Might leave. C) Must have left. D) Must leave. Show Answer Correct Answer: C) Must have left. 6. I can't believe Jim hasn't arrived yet. He ..... the wrong train. A) MUST CATCH. B) MUST HAVE CAUGHT. C) MUST HAVE COUGH. D) None of the above. Show Answer Correct Answer: B) MUST HAVE CAUGHT. 7. The car ..... during the storm. A) Might have damaged. B) Might have been damage. C) Might have been damaged. D) None of the above. Show Answer Correct Answer: C) Might have been damaged. 8. They ..... be rich-they've got three houses! A) Can. B) Might. C) Must. D) None of the above. Show Answer Correct Answer: C) Must. 9. He helped us so much over the years. He ..... stolen the money ..... and yet, the evidence is there. A) Could have. B) Might have. C) Should have. D) Couldn't have. Show Answer Correct Answer: D) Couldn't have. 10. They ..... be playing outside; it's raining. (The rain is heavy, and no one is in the playground.) A) Mustn't. B) Might not. C) Can't. D) None of the above. Show Answer Correct Answer: C) Can't. 11. Andrew did no revision for the exam but he's passed. I think he might have ..... A) Cheating. B) Cheated. C) Cheats. D) Cheaten. Show Answer Correct Answer: B) Cheated. 12. His doctor told him he needs to lose some weight. A) He couldn't have had a bad diet. B) He must have had a bad diet. C) He may not have had a bad diet. D) None of the above. Show Answer Correct Answer: B) He must have had a bad diet. 13. He ..... be his son, they look completely different. A) Can't. B) Might. C) All the above. D) None of the above. Show Answer Correct Answer: A) Can't. 14. It's possible that they want to sell their flat. They ..... sell it A) Can't. B) Must. C) Might. D) Mustn't. Show Answer Correct Answer: C) Might. 15. He ..... (na pewno mieszka) near here because he always walks to work. A) Should live. B) Might live. C) Could live. D) Must live. Show Answer Correct Answer: D) Must live. 16. Someone tells you they hear footsteps outside their house, but no one is there. What can you deduce? A) It must be a ghost. B) It might be an animal. C) It can't be anything at all. D) None of the above. Show Answer Correct Answer: B) It might be an animal. 17. A 'I think he ..... be French with a name like Luc.' B 'Yes, he sounds French too.' A) Must. B) Can't. C) Could. D) None of the above. Show Answer Correct Answer: A) Must. 18. This ..... be the correct answer, we don't need to check. A) Must. B) Might. C) All the above. D) None of the above. Show Answer Correct Answer: A) Must. 19. I'm almost certain I know the answer. It ..... be 134! A) Must. B) Could. C) Might. D) None of the above. Show Answer Correct Answer: A) Must. 20. You got here very quickly. You ..... very fast. A) Must have walked. B) Can't have walked. C) Must walk. D) None of the above. Show Answer Correct Answer: A) Must have walked. 21. Your friend doesn't answer your text messages but you saw them active online. What can you deduce? A) They must be ignoring you. B) They might not have seen your messages. C) They can't be using their phone. D) None of the above. Show Answer Correct Answer: B) They might not have seen your messages. 22. You ..... be right, but it's better if we check. A) Can. B) Might. C) Can't. D) None of the above. Show Answer Correct Answer: B) Might. 23. Oh no! Where are my keys? I know! I ..... have left them on my office's desk! This is the fifth time this month! A) Must. B) Might. C) Could. D) None of the above. Show Answer Correct Answer: A) Must. 24. There's no pizza left. We ..... eaten it all. A) Can't have. B) Could have. C) Must have. D) None of the above. Show Answer Correct Answer: C) Must have. 25. I can't believe Jim hasn't arrived yet. He ..... taken the correct train. A) Can't have. B) Mustn't have. C) Shouldn't have. D) None of the above. Show Answer Correct Answer: A) Can't have. 26. We use "must" for things that are definitely true. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 27. We ..... have purchased some food for the cat, I just don't remember if I put it in the bag or not. A) Must. B) May. C) Can. D) None of the above. Show Answer Correct Answer: B) May. 28. I heard that you bought a new Lamborghini car last week. You should save more money as now you have been retired from work. A) Prohibition. B) Critisism. C) Advice/suggestion. D) Possibility. Show Answer Correct Answer: C) Advice/suggestion. 29. He ..... be our teacher! He looks about twelve years old. A) Might/may/could. B) Can't. C) Must. D) None of the above. Show Answer Correct Answer: B) Can't. 30. Paul is behaving in a very unusual way. I think he ..... again. A) Can't drink. B) Can be drinking. C) Might be drinking. D) None of the above. Show Answer Correct Answer: C) Might be drinking. ← 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