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    • Join Date: Apr 2006
    • Posts: 124

    possible vs. impossible

    Dear teachers,

    Here is one more question! I hope it is the last one!

    (a) It is possible to persuade him.
    (b) It is impossible to persuade him.

    (a') * He is possible to persuade.
    (b') He is impossible to persuade.

    I'd like to know why (a') is incorrect or ungrammatical.

  1. Mister Micawber's Avatar
    Key Member
    English Teacher
    • Member Info
      • Native Language:
      • English
      • Home Country:
      • United States
      • Current Location:
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    • Join Date: Sep 2004
    • Posts: 1,857

    Re: possible vs. impossible

    I'm afraid that the only answer is that we use impossible as an adjectival attribute of people, but we do not use possible in that way:

    My wife is impossible! This puzzle is impossible!
    He is an impossible customer-- he is never satisfied.

    • Join Date: Apr 2006
    • Posts: 124

    Re: possible vs. impossible

    Thanks anyway!

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