1) I am not a) I amn't b) I amnot c) I'm not 2) He is not a) He isn't b) Hesn't c) He isnot 3) She is not a) Shes not b) She'not c) She isn't 4) It is not a) Its not b) It isn't c) It isnot  5) You are not a) Youre not b) You aren't c) You'not 6) We are not a) We aren't b) Weare not c) We arenot 7) They are not a) They arenot b) Theyre not c) They aren't

to be (negative) short form

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