tag question

American  

noun

Grammar.

1. Also called tag.  a short interrogative structure appended to a statement or command, as isn't it in It's raining, isn't it?, are you in You're not going, are you?, or German nicht wahr.

2. a question formed by appending such a structure to a declarative sentence or command, often inviting confirmation or assent, as She lives nearby, doesn't she? or Sit down, won't you?

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Etymology

Origin of tag question

First recorded in 1960–65