Grammar
N5 copula

Polite negative copula ではありません

Meaning

The polite negative of です — "is not / am not / are not". ではありません is formal; じゃないです is spoken-style.

Formation

Notes

Past negative: ではありませんでした / じゃなかったです. じゃありません is also common.

Examples

I am not a student.

Breakdown
I (topic) student am not

This is not my book. (spoken style)

Breakdown
this (topic) I/me (possessive) book is not

This place is not a school.

Breakdown
here (topic) school is not

This town is not lively. (na-adjective stem + neg. copula)

Breakdown
this town (topic) lively is not

Tanaka-san was not a teacher. (past negative)

Breakdown
Mr./Ms. Tanaka (topic) teacher was not

That over there is not my umbrella.

Breakdown
that over there (topic) I/me (possessive) umbrella is not

⚠️ Often confused with

Without doing 〜ずに

"Without doing ~" — the written and formal equivalent of 〜ないで.

Without 〜ぬきで / 〜ぬきに

"Without ~", "leaving out ~".