是不是 (shì bù shì) — (question tag) right?; isn't it? (used at the end of a statement to seek confirmation); (conjunction) whether or not (used to introduce an indirect question or choice); (question particle) used to form a yes-no question (placed after the subject)

Definition

是不是 is a versatile yes-no question marker. At the end of a statement it works like a tag question ('right?'), but as 是不是 + verb/phrase it forms a yes-no question by fronting, similar in function to 吗 at the end.

verb
(question tag) right?isn't it? (used at the end of a statement to seek confirmation)(question particle) used to form a yes-no question (placed after the subject)
conjunction
whether or not (used to introduce an indirect question or choice)

Examples

  • 是不是
    Nǐ shì lǎo shī, shì bù shì?
    You are a teacher, right?
  • 是不是
    Wǒ bù zhī dào tā shì bù shì tóng yì.
    I don't know whether he agrees or not.
  • 是不是
    Nǐ shì bù shì xǐ huan chī là de?
    Do you like spicy food or not?

Origin

Characters in this word

No reliable origin is recorded for this character.

Open 是 →

A drawing of the thing itself, worn down over three thousand years into a few strokes.

The picture in 不 originally showed a flower’s calyx; the “no” sense came later from a related character, not from this picture.

Open 不 →

No reliable origin is recorded for this character.

Open 是 →

Grammar

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