-ne

Explanation

1. -ne
(formal, moderately addressee-lowering) A sentence-final ending referring to a simple description.

2. -ne
(formal, highly addressee-lowering) A sentence-final ending used when talking about something that one just learned.

Examples
그럼 우리는 먼저 가네. 잘 있게
아이구, 마침 저기 선생님이 오시네
자네 그렇게 무리하다가 쓰러지겠네

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