This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Modals Of Deduction – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Modals Of Deduction Quiz 9 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Let's ask at reception to see if they have your keys. Someone ..... found them. A) Must have. B) Might have. C) Can't have. D) None of the above. Show Answer Correct Answer: B) Might have. 2. They ..... bought a new house. They are both unemployed. A) Can't have. B) Mustn't have. C) Could have. D) None of the above. Show Answer Correct Answer: A) Can't have. 3. I'm certain Sam didn't win the race. A) Could have won. B) Must have won. C) Can't have won. D) May not have won. Show Answer Correct Answer: C) Can't have won. 4. By the time you receive this letter, I ..... for Japan. A) Am living. B) Will leave. C) Have left. D) Will have left. Show Answer Correct Answer: D) Will have left. 5. I didn't know you were going to Phil's party yesterday. You ..... me! A) MIGHT TOLD. B) MIGHT HAVE TOLD. C) COULDN'T HAVE TOLD. D) None of the above. Show Answer Correct Answer: C) COULDN'T HAVE TOLD. 6. CAN'T is used to say we're NOT sure. A) True. B) False (Can't = SURE that it is impossible to happen/be true). C) All the above. D) None of the above. Show Answer Correct Answer: B) False (Can't = SURE that it is impossible to happen/be true). 7. He ..... be our teacher! He looks about twelve A) Must. B) Might. C) Can't. D) None of the above. Show Answer Correct Answer: C) Can't. 8. This song ..... be very popular. They play it on the radio, on TV, everywhere! A) Must. B) Might. C) Can't. D) None of the above. Show Answer Correct Answer: A) Must. 9. I ..... have stolen the jewels! I wasn't even here when that happened! A) Must. B) Might. C) Can't. D) None of the above. Show Answer Correct Answer: C) Can't. 10. You studied all night. You ..... be exhausted. A) Must. B) Can't. C) Can't have. D) Must have. Show Answer Correct Answer: A) Must. 11. Paula ..... be injured. That's her best time ever for a marathon. A) Might. B) Can't. C) All the above. D) None of the above. Show Answer Correct Answer: B) Can't. 12. Chris's things are still here so he ..... gone home. A) Shouldn't have. B) Might have. C) Can't have. D) None of the above. Show Answer Correct Answer: C) Can't have. 13. It's too early to have finished the exam. He ..... have finished. A) Shouldn't. B) Mustn't. C) Can't. D) Might. Show Answer Correct Answer: C) Can't. 14. Tom's phone is switched off. He ..... be on the plane now, or just boarding. A) Can't have. B) Couldn't. C) Might not. D) Might. Show Answer Correct Answer: D) Might. 15. I think that man ..... need our help. I don't think he can swim. A) Must. B) Might / could. C) All the above. D) None of the above. Show Answer Correct Answer: B) Might / could. 16. He ..... spoken to his boss like that. It cost him the promotion. A) Could have. B) Might have. C) Must have. D) Shouldn't have. Show Answer Correct Answer: D) Shouldn't have. 17. What an amazing trip! You ..... have some incredible photos. A) Must. B) Might not. C) Can't. D) Might. Show Answer Correct Answer: A) Must. 18. Sarah never stops talking about Steve. She ..... be in love with him! A) Must. B) May not. C) Can't. D) Might. Show Answer Correct Answer: A) Must. 19. Take this umbrella just in case. It looks as if it ..... rain. A) Might/may/could. B) Must. C) Can't. D) None of the above. Show Answer Correct Answer: A) Might/may/could. 20. Choose the correct modal verbs.Dario and Carlos ..... be in the same class, but I'm not sure. A) Could. B) Can't. C) Must. D) Couldn't. Show Answer Correct Answer: A) Could. 21. They ..... very happy about working during the night. A) Are may not. B) Can't be. C) Might not are. D) May are. Show Answer Correct Answer: B) Can't be. 22. Sheila got a tan. She ..... spent a lot of time in the sun lately. A) Must have. B) Can't have. C) Can't. D) Must. Show Answer Correct Answer: A) Must have. 23. Dan never misses an important test. He ..... A) Might not know about the test today. B) Must know about the test today. C) Couldn't know about the test today. D) None of the above. Show Answer Correct Answer: A) Might not know about the test today. 24. I'm sorry but Samantha isn't here. She ..... already left the office. A) Might have. B) Must have. C) Can't have. D) Could have. Show Answer Correct Answer: B) Must have. 25. She ..... be in the office-she flew to Beijing yesterday A) Might. B) May. C) Must. D) Can't. Show Answer Correct Answer: D) Can't. 26. Samuel ..... He said he was sick, but I saw him at a friend's party. He was having so much fun. A) Can't have lied. B) Might have lied. C) Must have lied. D) None of the above. Show Answer Correct Answer: C) Must have lied. 27. He ..... have bought that house because he doesn't have any money. A) Can't. B) Might. C) All the above. D) None of the above. Show Answer Correct Answer: A) Can't. 28. They're coming this week but I don't know which day.They ..... come tomorrow. A) Can't. B) Must. C) Could. D) None of the above. Show Answer Correct Answer: C) Could. 29. We're certain that he isn't using your computer.2. He can't be using your computer. A) Same meaning. B) Different meaning. C) All the above. D) None of the above. Show Answer Correct Answer: A) Same meaning. 30. Oh, great! His car's here. He ..... come home earlier than planned. A) Must have. B) Might have. C) Can have. D) None of the above. Show Answer Correct Answer: A) Must have. ← 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