This quiz works best with JavaScript enabled. Home > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Modals Of Deduction – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Modals Of Deduction Quiz 33 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. That couple ..... (think) much of the show. They lest after only 20 minutes! A) Must have thought. B) Can't think. C) Couldn't have thought. D) Couldn't has thought. Show Answer Correct Answer: C) Couldn't have thought. 2. I ..... finish the project by tomorrow if I stay at work all night, but I'm not sure A) Must. B) May. C) Can't. D) None of the above. Show Answer Correct Answer: B) May. 3. I ..... a lot as an accounting manager, but the job was just too boring. A) Could have earned. B) Might earn. C) Must earn. D) None of the above. Show Answer Correct Answer: A) Could have earned. 4. I saw a bright light in the sky last night. It seemed too big to be a star. A) It must have been a planet. B) It may or may not have been in the sky. C) It couldn't have been a planet. D) None of the above. Show Answer Correct Answer: A) It must have been a planet. 5. Maybe Darren didn't know about the outbreak.He ..... shcool. A) Might not attend. B) May have attended. C) Must attend. D) None of the above. Show Answer Correct Answer: B) May have attended. 6. My purse isn't in my pocket. It ..... A) Must be in my bag. B) Must in my bag. C) Must'n be in my bag. D) None of the above. Show Answer Correct Answer: A) Must be in my bag. 7. He ..... be here. I can see his car in front of this building. A) Must. B) Might. C) May. D) None of the above. Show Answer Correct Answer: A) Must. 8. Emily has been absent from work for three days; she ..... on vacation. A) Must be. B) Might not be. C) Can't be. D) None of the above. Show Answer Correct Answer: A) Must be. 9. He ..... forgotten it . He's very punctual. A) Should have. B) Must have. C) Can't have. D) Could have. Show Answer Correct Answer: C) Can't have. 10. Roberto looks unhappy. He ..... a fight with the boss. A) Must have. B) Might have had. C) May had. D) Couldn't have had. Show Answer Correct Answer: B) Might have had. 11. I checked the entire house. He iesn't anywhere. He ..... gone out. A) Can't have. B) Must have. C) Should have. D) None of the above. Show Answer Correct Answer: B) Must have. 12. We must have done something wrong because he looks really ..... A) Angry. B) Happy. C) All the above. D) None of the above. Show Answer Correct Answer: A) Angry. 13. You saw her yesterday? That's impossible! A) You could have seen her. B) You should have seen her. C) You can't have seen her. D) You could see her. Show Answer Correct Answer: C) You can't have seen her. 14. I had the opportunity to study medicine in a prestigious university but I decided to follow my passion and become an actress instead. Imagine that, I ..... a doctor. A) Could have become. B) Must have become. C) Can't have become. D) None of the above. Show Answer Correct Answer: A) Could have become. 15. Do you know where Carl went? He ..... (leave)-his car keys are on the table. A) Might have left. B) Must have left. C) Can't have leave. D) Couldn't have left. Show Answer Correct Answer: D) Couldn't have left. 16. I suppose he ..... been a doctor or a nurse. I'm not really sure. A) Can't have. B) Will have. C) Might have. D) None of the above. Show Answer Correct Answer: C) Might have. 17. I saw the photos and the messages ..... She ..... lied to me all this time! A) Might have. B) Couldn't have. C) Should have. D) None of the above. Show Answer Correct Answer: B) Couldn't have. 18. A:Hey, look at these photos of our great-grandmother that I found in the attic!B:Wow, she was so gorgeous! She ..... very popular with the guys! (100% certain) A) Must have been. B) Couldn't have been. C) Can have been. D) None of the above. Show Answer Correct Answer: A) Must have been. 19. Linda ..... have worked over time last night, she looks so exhausted! A) Must. B) Could. C) Should. D) None of the above. Show Answer Correct Answer: A) Must. 20. Match the modal MUST with its function A) To express 50% of certainty. B) To express 100% of certainty. C) Information that is impossible or not true. D) To express obligation. Show Answer Correct Answer: B) To express 100% of certainty. 21. I'm certain I've left my umbrella at home. A) I could have left it. B) I might have left it. C) I can't have left it. D) I must have left it. Show Answer Correct Answer: D) I must have left it. 22. Marlene said she had been working all night, I think ..... A) She might be exahusted and decided to go home early. B) She must be exhausted and decided to go home early. C) She should be exhausted and decided to go home early. D) None of the above. Show Answer Correct Answer: B) She must be exhausted and decided to go home early. 23. Wow! you have eaten uo everything! You ..... been very hungry. A) Must have. B) Could have. C) Should have. D) Can't have. Show Answer Correct Answer: A) Must have. 24. You got here very quickly. You must ..... very fast. A) Have walked. B) Walked. C) Be walking. D) None of the above. Show Answer Correct Answer: A) Have walked. 25. I think I ..... (see) this film before but I can't remember. A) Might have seen. B) Can't have seen. C) Must have seen. D) None of the above. Show Answer Correct Answer: A) Might have seen. ← 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