modals of deduction eduardo

We can use modal verbs to talk about how sure or unsure we are about something in the past just as we use modals in the present with a slight change in the form.
1. must have: must have+ past participle
  1. we use it to make a deduction about something that has happened.
    1. might,may,could
      1. might,may,could + past participle
        use them to say that something was possible in the past but where are not sure.
        example: I might have been here when I was a child but I can’t really remember.
  2. example: He must have forgotten phone at home again. He’s not answering.
Can’t have + past participle
1. used
  1. We use ‘can’t have + past participle’ for things that we are sure did not happen in the past.
    1. example: he can't have liked the show. She hates musicals

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	Creado por america_disturbi hace alrededor de 9 años