Correct: I am, She is, He is, You are, It is, We are, They are, I'm, She's, He's, You're, It's, We're, They're, Incorrect: I are, She are, He am, You is, It are, We is, They am, I're, She'm, He're, You's, It're, We's, Thery'm,

Verb to be (is am are)

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