の

(No)

Used at the end of a sentence to turn a statement into a question or to explain a situation in casual speech.

Connection rules

ヤンさんはいつ国こくに帰かえるの？

Yan san ha itsu koku ni kaeru no?

When are you returning to your country?

「Casual chat with friend」

昨日きのう、どうして来こられなかったの？

Kinou, doushite ko rare naka ta no?

Why were you unable to come yesterday?

「Asking about absence」