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Modals of deduction

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  • Mark passed all his exams. His parents _____ be very proud.
    must
    might not
    might
    can't
  • The baby's crying. She's wearing a thick sweater, socks and wooden shoes. She _____ be hot, poor thing.
    can't
    must
    might
  • I'm not sure, but the new assistant _____ be Italian. Her surname is Rossi.
    might
    must
    might not
    can't
  • He lived in Argentina for five years so he _____ speak good Spanish!
    must
    might
    can't
    might not
  • I can't believe you've been waiting all this time! You _____ be really bored.
    can't
    must
    might
  • You _____ be joking! That's the most ridiculous excuse I've ever heard!
    can't
    must
    might
  • The baby looks uncomfortable. He _____ be hot or hungry. Maybe his diaper needs to be changed.
    can't
    must
    might
  • It _____ be him. He's on holiday until next week.
    can't
    must
    might
  • I thought our neighbour was away on holiday, but she _____ be - I've just seen her in her garden.
    must
    can't
    might not
    might
  • They're coming this week, but I don't know which day. They _____ be coming tomorrow.
    must
    can't
    might
  • A: Did you know Ann and Simon have broken up? B: That _____ be true! I saw them together just now.
    might
    mustn't
    can't
  • The phone _____ be at home. I remember putting it in my bag on my way out.
    might
    can't
    must
  • You _____ be very busy at work. You're always on Facebook!
    must
    might
    might not
    can't
  • I'd take an umbrella if I were you. It looks like it _____ rain.
    must
    might
    can't
  • They've been running for hours! They _____ be exhausted.
    can't
    must
    might
  • Hey guess what?! I _____ be getting a car for my birthday! It's not completely definite yet though.
    must
    can't
    might
  • This _____ be right. It doesn't make any sense!
    can't
    might
    must
  • She _____ speak French very well - she's only lived in Paris for a few weeks.
    can't
    must
    might
  • Lucy wasn't feeling well this afternoon, so she _____ come to the party tonight. She said she would let us know later today.
    might not
    might
    must
    can't
  • I can't find my phone. It _____ be at home or perhaps I've lost it. I have no idea.
    can't
    must
    might
  • The race has just started. He _____ be tired already!
    might
    must
    can't
  • She hasn't arrived yet. She _____ be stuck in traffic, but I'm not sure.
    can't
    might
    must
  • It's very cold this evening and there's a lot of cloud. I think it _____ snow.
    must
    might
    can't
    might not
  • He's a bit older than me, so he _____ be in his 30s now.
    must
    can't
    might
  • His car's not here. He _____ be somewhere else.
    must
    can't
    might
  • I've tried calling, but there's no reply. Perhaps he's at the bank; he _____ be unable to use the phone.
    must
    might
    can't
  • She's won prizes for her research. She _____ be really intelligent.
    must
    can't
    might
  • Do you really think England will win tonight? You _____ be serious! They have no chance!
    can't
    might not
    must
    might
  • Look! how much sugar and salt it's got in it! It _____ be good for you.
    can't
    might
    must
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