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Modals of deduction and speculation

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  • Tom ... be working today - I just saw him at the gym.
    must
    might
    can't
  • I don't like the sound of the engine. I think it ... be a mechanical problem.
    must
    can't
    could
  • You ... hate English food - it's delicious!
    must
    can't
    could
  • Sarah never stops talking about Steve. She ... be in love with him!
    must
    can't
    might
  • Andrew's good friends with Gemma. I think he ... know her phone number.
    can't
    might
    must
  • The music next door is so loud! They ... have a party.
    can't
    must
    might
  • Tom ... be working today, but I can't remember.
    must
    can't
    might
  • You studied this for 3 years at university! You ... know the answer!
    can't
    must
    could
  • That ... be Danny. He said he was going abroad this week.
    must
    might
    can't
  • You’ve been working in the garden all day. You ... be tired.
    must
    might
    can't
  • I'm not sure Mom ... be at the supermarket
    could
    must
    can't
  • I'm sorry, you ... be confusing me with someone else, that's not my name.
    could
    must
    can't
  • I'm leaving work now but I ... be a little late if there's traffic on the road.
    must
    can't
    might
  • Yuki's quite good at grammar. Maybe she ... know the answer to this question.
    must
    could
    can't
  • You just slept for 12 hours! You ... be tired again already!
    must
    might
    can't