English Grammar

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1. He knifed a person last night.
2. He knives a person every year.
3. He knifes a person every year.
4. There are three knives on the table.

Which one is incorrect among the four?
Would you check the conjugation of the verb knife or the noun knife?

  • English Grammar -

    #2 is not correct; #3 is correct, as are #s 1 and 4.

    VERB:
    to knife (to stab with a knife)

    knife = present form with knifes when the subject is 3rd person singular

    knifed = simple past form

    knifed = past participle form (used with "to be" and "to have" auxiliary verbs)

    NOUN:
    knife = singular
    knives = plural
    knife's = singular possessive
    knifes' = plural possessive

  • English Grammar -

    Sorry. That last noun form should be knives' -- since it's plural!

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