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      • Native Language:
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    • Join Date: Oct 2015
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    #1

    grammar

    Hello
    What is the difference between "had or hadn't been able to " and "could or couldn't have" in uses?
    thank you very much

  1. Piscean's Avatar
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      • British English
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      • Czech Republic
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    • Join Date: Jul 2015
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    #2

    Re: grammar


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