Tag questions are short questions added to the end of a statement to check information or confirm something. They’re common in everyday conversation and often used to invite agreement.
They follow this basic rule:
A tag question uses a helping verb (be, do, have, will, can, etc.) and a pronoun (I, you, he, she...) for the person or thing at the start of the sentence. If the sentence has no helping verb, we use do/does/did.
With “I am,” the tag is usually aren’t I (not “amn't I”):
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