This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Modals Of Deduction – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Modals Of Deduction Quiz 15 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Complete with the correct modal verb.The malls ..... be closed by now. What time do they close on Thursdays? A) Must. B) Could. C) Can. D) Can't. Show Answer Correct Answer: B) Could. 2. Nobody has bought his novel, so it ..... be very good. A) CAN'T. B) MUST. C) COULD. D) None of the above. Show Answer Correct Answer: A) CAN'T. 3. I ..... forget to take my key with me. A) Have to. B) Mustn't. C) Don't have to. D) Must. Show Answer Correct Answer: B) Mustn't. 4. Alexis is not at home yet. She ..... have missed the bus. A) May. B) Must. C) Should. D) None of the above. Show Answer Correct Answer: A) May. 5. A:Is that Mr. Tanaka?B:No, that ..... him. He wears glasses. A) MUST NOT BE. B) CAN'T BE. C) COULDN'T HAVE BEEN. D) None of the above. Show Answer Correct Answer: B) CAN'T BE. 6. He ..... be angry because he didn't say any words. A) Must. B) Can't. C) Might not. D) May. Show Answer Correct Answer: D) May. 7. Lucas did no revision for the exam but he's passed. I think he might have ..... A) Cheats. B) Cheated. C) Cheating. D) Cheaten. Show Answer Correct Answer: B) Cheated. 8. Parker won the lottery a month ago. I'm sure he ..... have purchased a lot of tickets to be that lucky! A) Mustt. B) Might. C) Can. D) None of the above. Show Answer Correct Answer: B) Might. 9. You should pick up the phone. It ..... be an important call. A) Might. B) Can't. C) Might not. D) Must. Show Answer Correct Answer: A) Might. 10. You ..... be tired if you didn't sleep well last night. A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: A) Must. 11. I noticed when I got to work that I didn't have my cellphone. I ..... left it on the bus. I'm sure someone pickpocketed me. A) Might have. B) Must have. C) Can't have. D) None of the above. Show Answer Correct Answer: C) Can't have. 12. The doctor said my uncle died of Covid but my family and I think it ..... have been due to medical malpractice. A) May. B) Must. C) Could. D) None of the above. Show Answer Correct Answer: A) May. 13. A:That's strange. My bicycle tyre's flat. How did that happen?B:I'm not sure. You (a) over some broken glass or something. A) A. may have ridden. B) Can't have ridden. C) Must have ridden. D) Might not have ridden. Show Answer Correct Answer: A) A. may have ridden. 14. A:The second page of the student's exam paper is empty.B:He ..... the second page. I dont know. A) Should have seen. B) Cant have seen. C) Might not have seen. D) Must have seen. Show Answer Correct Answer: C) Might not have seen. 15. Choose the correct modal verb.She ..... be right-she often is. A) Can't. B) Might. C) Might well. D) Must. Show Answer Correct Answer: D) Must. 16. Jenny ..... have gone out tonight, I know that she's sick at home. A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: B) Can't. 17. What's the noise? I don't know. It ..... be a burglar. A) Can't. B) Must. C) Might. D) None of the above. Show Answer Correct Answer: C) Might. 18. This bill ..... be right. I only ordered a salad. A) Might. B) Must. C) Could. D) Can't. Show Answer Correct Answer: D) Can't. 19. Nobody opens the door, they ..... out. A) Might. B) Might be. C) Can't. D) None of the above. Show Answer Correct Answer: B) Might be. 20. Michelle ..... want to participate in the festival-it seems like the type of thing she'd be interested in. Why don't you ask her? A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: C) Might. 21. The antibiotics didn't work. A) His body may have become resistant to antibiotics. B) His body may not have become resistant to antibiotics. C) His body may have resistant to antibiotics. D) None of the above. Show Answer Correct Answer: A) His body may have become resistant to antibiotics. 22. It ..... have rained a lot last night-there are puddles everywhere. A) Might. B) Must. C) Could. D) May. Show Answer Correct Answer: B) Must. 23. The exam ..... (be) very difficult. Only one person passed. A) Must have been. B) Might have been. C) Can't have been. D) None of the above. Show Answer Correct Answer: A) Must have been. 24. Noboody knows how exactly Amelia Earhearth died. One of the theories is that she ..... because she couldnt find anything to eat. A) Shouldn't have died. B) Can't have died. C) Must have died. D) Might have died. Show Answer Correct Answer: D) Might have died. 25. We're not sure if this painting is an original. It ..... be worth thousands of dollars. A) Could. B) Can't. C) Might. D) Must. Show Answer Correct Answer: C) Might. 26. He ..... be from France! He doesn't speak French. A) May. B) Can't. C) All the above. D) None of the above. Show Answer Correct Answer: B) Can't. 27. Oh, we have a missed call. It ..... (be) Kate. She always calls on Wednesday. **(Assuming today is Wednesday). A) Must have been. B) Can't have been. C) Had to be. D) Might have been. Show Answer Correct Answer: A) Must have been. 28. Sara is very busy. She ..... be able to to come to the party tonight. A) Must. B) Might not. C) All the above. D) None of the above. Show Answer Correct Answer: B) Might not. 29. They ..... very happy about working during the night.I am sure. A) Might not are. B) Can't be. C) May are. D) None of the above. Show Answer Correct Answer: B) Can't be. 30. She must have left because her car is ..... A) Still here. B) Not here. C) All the above. D) None of the above. Show Answer Correct Answer: B) Not here. ← 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