N3 — outside your level filter

Is said whole, with nothing composed onto it and takes no だ／です, so there are no forms to conjugate.

首くびになる

kubininaruto get firedN3expression

Example sentences2

また遅刻ちこくしたら、首くびになるよ。

mata chikoku shitara, kubi ni naru yo.

If you're late again, you'll get fired. casual

会社かいしゃのお金かねを使つかい込こむと首くびになることがあります。

kaisha no okane o tsukaikomu to kubi ni naru koto ga arimasu.

If you embezzle company money, you can get fired. neutral