This quiz works best with JavaScript enabled. Home > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Modals Of Deduction – Quiz 23 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Modals Of Deduction Quiz 23 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Her passport is full of visa stamps. She ..... travel a lot. A) Can't. B) Might. C) Must. D) None of the above. Show Answer Correct Answer: C) Must. 2. Where's Clare? Her bag's here and her computer's still on so she ..... gone home. A) Must have. B) Might have. C) Can't have. D) None of the above. Show Answer Correct Answer: C) Can't have. 3. Which sentence is correct? My purse isn't in my pocket. It ..... A) Must be in my bag. B) Must in my bag. C) Mustn't be in my bag. D) In my bag be must. Show Answer Correct Answer: A) Must be in my bag. 4. The house isn't hard to find. It's the red one at the end. You ..... miss it! A) Might. B) Can't. C) Must. D) None of the above. Show Answer Correct Answer: B) Can't. 5. "I've bought a lottery ticket.""Wow!!! With luck you ..... become a millionaire!" A) Must. B) Can't. C) Could. D) None of the above. Show Answer Correct Answer: C) Could. 6. My passport ..... in the drawer. I've already looked there three times. A) CAN'T BE. B) COULDN'T BE. C) MIGHT BE. D) None of the above. Show Answer Correct Answer: A) CAN'T BE. 7. You ..... seen Robert; he has gone to Thailand. A) Could have. B) Can't have. C) Might have. D) Must have. Show Answer Correct Answer: B) Can't have. 8. Carmen looked very sad. She had 5/10 and ..... passed her final exam. A) Couldn't have. B) Mustn't have. C) Might have. D) None of the above. Show Answer Correct Answer: B) Mustn't have. 9. They ..... still be out, I'm sure! A) Can't. B) May. C) All the above. D) None of the above. Show Answer Correct Answer: A) Can't. 10. I'm so thankful for your help with this project. I ..... have done it without you! A) Couldn't. B) Can't. C) Must. D) Could. Show Answer Correct Answer: A) Couldn't. 11. They ..... a surprise for her birthday. They are talking about something. A) Might have planned. B) May be planning. C) Must be planning. D) None of the above. Show Answer Correct Answer: B) May be planning. 12. They ..... be Spanish, they're speaking Portuguese. A) Mustn't. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: B) Can't. 13. She's won prizes for her research. She (a) be really intelligent. A) A. must. B) Can't. C) May. D) Could. Show Answer Correct Answer: A) A. must. 14. I'm sure that that woman isn't Joan's mother-she's too young. A) She can't be Joan's mother. B) She couldn't have been Joan's mother. C) She might be Joan's mother. D) None of the above. Show Answer Correct Answer: A) She can't be Joan's mother. 15. He's got a Ferrari. He ..... be rich. A) Can't. B) Might. C) Must. D) None of the above. Show Answer Correct Answer: C) Must. 16. I can't confirm it but I believe that they ..... a new arvel's movie. A) May have produced. B) Can't have produced. C) Must have produced. D) None of the above. Show Answer Correct Answer: A) May have produced. 17. Match the deduction of their meanings:a. He might be a smuggler A) I'm certain he's not a smuggler. B) I think it's possible he's a smuggler. C) I'm certain he's a smuggler. D) None of the above. Show Answer Correct Answer: B) I think it's possible he's a smuggler. 18. I ..... have won the match, but as it was cancelled, we'll never know. A) Must. B) Can't. C) Might. D) None of the above. Show Answer Correct Answer: C) Might. 19. I can't remember what Janet bought Peter for his birthday. It could be a wallet or ..... A) It can't be an umbrella. B) It must be an umbrella. C) It might be an umbrella. D) None of the above. Show Answer Correct Answer: C) It might be an umbrella. 20. 'Where's Kim?' I'm not sure. Try her office-she ..... be in there.' A) Might. B) Must. C) Can't. D) None of the above. Show Answer Correct Answer: A) Might. 21. "Marcus didn't come to the meeting yesterday.""Really? He ..... invited." A) Couldn't be. B) Might not have been. C) Mustn't have been. D) May not be. Show Answer Correct Answer: B) Might not have been. 22. Have you got your passport? I'm not sure if you'll need it but they ..... ask you for ID. A) Can't. B) Might. C) Must. D) Might not. Show Answer Correct Answer: B) Might. 23. He ..... right now; his office light is on. A) Must work. B) Must be working. C) Must have worked. D) None of the above. Show Answer Correct Answer: B) Must be working. 24. The children are playing outside in their swimsuits; it ..... cold today. A) Mustn't be. B) Can't be. C) Might. D) None of the above. Show Answer Correct Answer: B) Can't be. 25. John ..... been very happy when he found out he was going to be a father. He's always wanted a child. A) Must have. B) Could have. C) Can't have. D) May have. Show Answer Correct Answer: A) Must have. 26. It's possible John is working on something new. He ..... be writing a novel. A) Must. B) May. C) Can't. D) None of the above. Show Answer Correct Answer: B) May. 27. Sofia says she has a new job, but her email hasn't changed. A) She may have a new email. B) She may not have told us the truth. C) She couldn't have emailed us. D) None of the above. Show Answer Correct Answer: B) She may not have told us the truth. 28. "May" always expresses strong certainty. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 29. I believe going out ..... be a bad idea. But I'm not 100% sure. A) Must. B) Might. C) Can't. D) None of the above. Show Answer Correct Answer: B) Might. 30. The train is delayed again; there ..... be some technical issues. A) Must. B) Can't be. C) Might. D) None of the above. Show Answer Correct Answer: A) 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