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Modals of deduction and speculation

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  • Perhaps he left the car unlocked.
    He might have left the car unlocked.
  • I’m certain that she is a doctor.
    She must be a doctor.
  • It _______ (rain) tonight so maybe we'd better take a taxi to the restaurant.
    might/may/could
  • It ________ be hot outside. That man in the street is wearing a coat.
    can't
  • I'm sure you forgot doing your homework.
    You must have forgotten doing your hw.
  • Correct the mistake: I can't decide what to eat. I must have fish or I must have chicken - They both look so good.
    I might have fish or I might have chicken
  • I'm sure Jane isn't late today.
    Jane can't be late today.
  • Did you hear me come in last night? No, I (be) -----asleep.
    must have been
  • John will probably come to the party.
    John may come to the party.
  • Paul is being very strange to me. I think he ______ be angry with me.
    might/may/could
  • It is possible that you forgot your wallet at home.
    You might have left your wallet at home.
  • I had an umbrella when I came out but I haven't got it now. You (leave) ------------- it on the bus.
    might have left
  • He ______ be his son, they look completely different.
    can't
  • Correct the mistake: This might not be the price! It's far too expensive!
    This cannot be the price!
  • I'm sure the cat is in the house somewhere.
    The cat must be at home.
  • Emily is crying. She --------------- be sad.
    must
  • I'm sure Jane is sleeping now.
    Jane must be sleeping.
  • Correct the mistake: he must be on a diet because I saw him eating a large chocolate pudding at lunch time.
    He can't be on a diet