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    #1

    Question All of files in this folder are PDF files

    Hi,

    There are lots of PDF files in directory "D:\PDF_Folder".

    A. All files in this folder are PDF files.
    B. All of files in this folder are PDF files.


    Are both A and B correct?
    I had used "All files" and "All of files" and similar in some technical documents, now I need to find the exact difference between them.
    Please help, thanks.

  1. Matthew Wai's Avatar
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    #2

    Re: All of files in this folder are PDF files

    I consider B incorrect because 'the' is missing before 'files'.
    I am not a teacher.

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    #3

    Re: All of files in this folder are PDF files

    The final "files" is a bit redundant. In real life, you would hear "are pdfs."

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    #4

    Re: All of files in this folder are PDF files

    Why is the "the" required?

    A. All of the books ...
    B. All of the peoples ...
    C. All of the "[any noun]"s ...

    D. All of books ...
    E. All of peoples ...
    F. All of "[any noun]"s ...

    Based on the answer, then, ABC is correct, DEF is incorrect, right? Is it applied to all situation?

  2. MikeNewYork's Avatar
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    #5

    Re: All of files in this folder are PDF files

    Pretty much all common nouns require an article.

  3. Matthew Wai's Avatar
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    #6

    Re: All of files in this folder are PDF files

    Quote Originally Posted by fenglish View Post
    Why is the "the" required?
    I think it is because you are referring to the specific files in the folder rather than unspecified ones.
    I am not a teacher.

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    #7

    Re: All of files in this folder are PDF files

    Quote Originally Posted by SoothingDave View Post
    The final "files" is a bit redundant. In real life, you would hear "are pdfs."
    And you might see PDFs.

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