Question

what is question tag ?

Answer 1

Here is your answer bro...
A tag question is a grammatical structure in which a declarative or an imperative statement is turned into an interrogative fragment. For example, in the sentence "You're John, aren't you?", the statement "You're John" is turned into a question by the tag "aren't you".
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Answer 2

Yo!

Here's the answer!

Question tags are generally the  short questions that are put on the end of sentences – particularly in spoken English.

Example-

He's a good doctor,isn't he?

Hope that this helps you!

-TGA.