This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Modals Of Deduction – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Modals Of Deduction Quiz 5 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A:Did you see our neighbours' new cars? B:Yeah! They ..... the lottery! A) Must have won. B) Could have won. C) Can have won. D) None of the above. Show Answer Correct Answer: A) Must have won. 2. We use can't have and couldn't have + past participle when ..... A) We think it's possible that something happened. B) We feel sure about what happened. C) We think it's not possible that something happened. D) None of the above. Show Answer Correct Answer: C) We think it's not possible that something happened. 3. The boss is in a terrible mood. The meeting ..... been good. A) Can't have. B) Shouldn't have. C) Might have. D) Must have. Show Answer Correct Answer: A) Can't have. 4. Their shop is easy to locate. It's right around the corner. She ..... miss it! A) Might. B) Can't. C) Must. D) None of the above. Show Answer Correct Answer: B) Can't. 5. She is crying. Perhaps, she has had an argument with him. A) She can't have had an argument with him. B) She shouldn't have had an argument with him. C) She might have had an argument with him. D) She must have had an argument with him. Show Answer Correct Answer: C) She might have had an argument with him. 6. They ..... got there already. They only left ten minutes ago. A) Must have. B) Must. C) Can't have. D) Can't. Show Answer Correct Answer: C) Can't have. 7. She isn't answering the phone. She ..... be out. A) Must. B) Can't. C) Should. D) None of the above. Show Answer Correct Answer: A) Must. 8. Linda got married with Tommy in less than a month! They ..... have shared a very strong bond since they met. A) Must. B) Could. C) Can. D) None of the above. Show Answer Correct Answer: B) Could. 9. Of course John isn't here today. He spent the whole night drinking. He ..... be at home with a serious hangover. A) Can't. B) Will. C) May. D) Must. Show Answer Correct Answer: D) Must. 10. Peter: "Does Tom own that car?" Mary: "No, I think his brother ..... it now." A) Can own. B) Has owned. C) Is owning. D) Owns. Show Answer Correct Answer: D) Owns. 11. It's about 9 o'clock. The shop ..... not be close yet. A) May. B) Can. C) Must. D) None of the above. Show Answer Correct Answer: A) May. 12. He ..... be at the gym right now. Sometimes he goes there at this time. A) Might. B) Must. C) Can't. D) None of the above. Show Answer Correct Answer: A) Might. 13. The food smells a bit, so it ..... be rotten. A) CAN'T. B) MUST. C) MAY. D) None of the above. Show Answer Correct Answer: C) MAY. 14. She can't ..... the message yet; it's unread. (I sent it just a few minutes ago, and her phone is on silent.) A) Be seeing. B) Have seen. C) See. D) None of the above. Show Answer Correct Answer: B) Have seen. 15. You ..... be hungry again. You've only just had dinner! A) Can't. B) Might. C) Must. D) Should. Show Answer Correct Answer: A) Can't. 16. It ..... be sugar-free. It has ice cream in it. A) Can't. B) May not. C) Must. D) None of the above. Show Answer Correct Answer: A) Can't. 17. Maybe John went to the shop. A) John must have gone to the shop. B) John may have gone to the shop. C) John might not have gone to the shop. D) None of the above. Show Answer Correct Answer: B) John may have gone to the shop. 18. He ..... gone to the city center. He did say he wanted to go Christmas shopping today. A) Couldn't have. B) Could have. C) Might not have. D) Can't have. Show Answer Correct Answer: B) Could have. 19. She ..... live close to where she works because she walks to work. A) Must. B) May. C) Might. D) None of the above. Show Answer Correct Answer: A) Must. 20. She knew everything about our plans. (she / listen / to our conversation) A) She must have listened to our conversation. B) She can't have listened to our conversation. C) She should have listened to our conversation. D) None of the above. Show Answer Correct Answer: A) She must have listened to our conversation. 21. Mario's phone is broken. He ..... have left it with Sophie before going in the roller coaster. A) Should. B) Can't. C) Must. D) None of the above. Show Answer Correct Answer: A) Should. 22. The researchers must ..... found the cure. There were at least 20 reporters at the lab. A) Had. B) Have. C) May have. D) None of the above. Show Answer Correct Answer: B) Have. 23. The library is closed, and all the lights are off. What is the most likely deduction? (Choose one) A) They could be having a power outage. B) Someone must be working late. C) They're probably closed for the weekend. D) It must be open, but with the lights off. Show Answer Correct Answer: A) They could be having a power outage. 24. He ..... know the answer, he's the best in the class. A) Might. B) Can. C) Must. D) None of the above. Show Answer Correct Answer: C) Must. 25. Ahmed drinks three cups of coffee every morning at his desk. A) He might have had tea. B) He must not like coffee. C) He must like coffee. D) None of the above. Show Answer Correct Answer: C) He must like coffee. 26. The car plunged into the river, but they ..... escape. A) Managed to. B) Might. C) Could. D) Ought to. Show Answer Correct Answer: A) Managed to. 27. It ..... rain this afternoon. A) Must. B) Might. C) Can't be. D) May be. Show Answer Correct Answer: B) Might. 28. Modal Verbs you can use for Deductions A) Must / Mustn't. B) Might / May. C) Can / Can't. D) Could / Couldn't. E) All of the above. Show Answer Correct Answer: E) All of the above. 29. He ..... known it was your birthday. Otherwise, I'm sure he would have wished you a happy day. A) Might have. B) Can't have. C) May not have. D) Must have. Show Answer Correct Answer: B) Can't have. 30. They ..... be Colombian because they're speaking Spanish A) Can't. B) Must. C) Could. D) None of the above. Show Answer Correct Answer: C) Could. ← 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 6Modals Of Deduction Quiz 7Modals Of Deduction Quiz 8Modals Of Deduction Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books