couldn't/mightn't have got

  • Masood

    Senior Member
    British English
    I'd like to know the differences between the below sentences

    Sarah couldn't have got my message.

    Sarah mightn't have got my message.

    Thanks!
    The first sentence is stating a fact.
    The second sentence conveys a doubt or possibility.

    I don't think I've ever used the word 'mightn't'. I always say 'might not'.
     

    Holacomoesta

    Senior Member
    English-USA
    Hello. I would like to first say that it should be "gotten" instead of "got"

    Sarah couldn't have gotten my message= There is no possible way that she has received the message

    Sarah might not have gotten my message= You're not really sure if she got the message or not.
     

    PININOS

    Senior Member
    Mexican Spanish
    Hello. I would like to first say that it should be "gotten" instead of "got"

    Sarah couldn't have gotten my message= There is no possible way that she has received the message

    Sarah might not have gotten my message= You're not really sure if she got the message or not.

    Thanks for your answer.

    But, the sentences were written in British English
     
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