• Life Upper: 5.6 Grammar
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  • He _______ (forget) about our meeting. He never misses appointments!  (YOU THINK ITS IMPOSSIBLE)
    He CAN’T HAVE FORGOTTEN about our meeting. He never misses appointments!
  • She _______ (see) us at the party, but I’m not sure.  (YOU THINK ITS POSSIBLE)
    She MIGHT HAVE SEEN us at the party, but I’m not sure.
  • You _______ (leave) your phone at home because I just heard it ringing in your bag.  (YOU THINK ITS IMPOSSIBLE)
    You CAN’T HAVE LEFT your phone at home because I just heard it ringing in your bag.
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