This quiz works best with JavaScript enabled. Home > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Modals Of Deduction – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Modals Of Deduction Quiz 19 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A:It ..... be Jane's mother, look how similar they are.B:Or it might be her older sister, Kate A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: C) Might. 2. I left my bycicle in front of the library and it's disappeared. Someone ..... stolen it. A) Mustn't have. B) Must have. C) Mightn't. D) Must. Show Answer Correct Answer: B) Must have. 3. Complete the sentence.My passport ..... be in at home. I've already looked inside my bag three times. A) Must. B) May. C) Can't. D) None of the above. Show Answer Correct Answer: A) Must. 4. It ..... be true about Big Foot living in your backyard. It's impossible A) May. B) Can't. C) All the above. D) None of the above. Show Answer Correct Answer: B) Can't. 5. A:We walked all the way home in the snow.B:Wow-that (a) cold! A) A. must have been. B) May have been. C) Can't have been. D) Might not have been. Show Answer Correct Answer: A) A. must have been. 6. They ..... be right about a monster living in Loch Ness. It's impossible. A) Can't. B) May. C) All the above. D) None of the above. Show Answer Correct Answer: A) Can't. 7. I see several suitcases by the door and a plane ticket on the table. What is the most likely deduction? A) They must be moving to a new house. B) They could be going on vacation. C) They must be checking in for a flight. D) They're probably just organizing their belongings. Show Answer Correct Answer: B) They could be going on vacation. 8. If she didn't call you back, it ..... because she was busy A) Might have been. B) Must have felt. C) Must have been. D) Must be. Show Answer Correct Answer: A) Might have been. 9. Oliver ..... really love that film. He has seen it ten times. A) Can. B) May. C) Must. D) None of the above. Show Answer Correct Answer: C) Must. 10. What is the purpose of past modals of deduction A) In a sentence by expressing possibility, ability, permission, or obligation. B) To make guesses about something that happened in the past. C) It is used as an auxiliary to form the past perfect forms. D) None of the above. Show Answer Correct Answer: B) To make guesses about something that happened in the past. 11. The restaurant ..... be very good. It's ALWAYS full of people. A) Must. B) Can't. C) Could. D) None of the above. Show Answer Correct Answer: A) Must. 12. I wonder who broke the wineglass in the living room, it ..... the cat for she was out all day. A) Mustn't have been. B) Can't have been. C) Mightn't have been. D) Shouldn't have been. Show Answer Correct Answer: B) Can't have been. 13. I'm sorry, you ..... be confusing me with someone else, that's not my name. A) Must. B) Can't. C) May. D) None of the above. Show Answer Correct Answer: C) May. 14. They ..... got in through the window-it's on the 21st floor! A) Can't have. B) Must have. C) Can have. D) Might have. Show Answer Correct Answer: A) Can't have. 15. Brandon ..... earn much money at his job. He's still living with his parents. A) Can't. B) Must. C) Might. D) Might not. Show Answer Correct Answer: A) Can't. 16. The light in Scot's room is on. He ..... computer games. A) Must play. B) Must have played. C) Must be playing. D) None of the above. Show Answer Correct Answer: C) Must be playing. 17. It ..... raining, but I'm not sure. A) Could be. B) Must be. C) Can't be. D) None of the above. Show Answer Correct Answer: A) Could be. 18. You use them to see: A) Hands. B) Eyes. C) Back. D) Knees. Show Answer Correct Answer: B) Eyes. 19. When he was three years old he ..... swim well. A) Managed to. B) Could. C) Might. D) Can. Show Answer Correct Answer: B) Could. 20. Andrew ..... gone to the city centre. He said that he wanted to go shopping today, but I'm not sure. A) Can't have. B) Could have. C) Have. D) Couldn't have. Show Answer Correct Answer: B) Could have. 21. I can't find my umbrella. (I / leave / it in the restaurant last night) A) I must leave it in the restaurant last night. B) I must have left it in the restaurant last night. C) I should have left it in the restaurant last night. D) None of the above. Show Answer Correct Answer: B) I must have left it in the restaurant last night. 22. Sarah looked very happy. She ..... passed her driving test. (100% certain) A) Must have. B) Can't have. C) Couldn't have. D) None of the above. Show Answer Correct Answer: A) Must have. 23. He's working full-time and studying for his Ph.D. That ..... be easy A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: B) Can't. 24. She ..... be awake yet. It's only four o'clock in the morning. A) Can not. B) Might not. C) Must. D) None of the above. Show Answer Correct Answer: B) Might not. 25. He drives an expensive car. He ..... have a good job A) Can. B) Could. C) Must. D) Might. Show Answer Correct Answer: C) Must. ← 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