form N5 essential casualpolitewritten

Plain negative — the ない form

ない形ないけい

Meaning

Key sentence

I'm not going to eat anything today.

Formation

Attaches toFormExample
Godan う-row → あ-row + ない 書かく → 書かかない
Godan 〜う → 〜わない 買かう → 買かわない
Ichidan drop る + ない 食たべる → 食たべない
Irregular する → しない、来くる → 来こない 来くる → 来こない
i-adjective 〜い → 〜くない 高たかい → 高たかくない
na-adjective / noun + じゃない / ではない 静しずか → 静しずかじゃない

When: Plain/casual negative; for the polite negative use ません. Once ない is attached, the whole word conjugates like an i-adjective.

Examples

I don't drink alcohol.
I won't forget an important promise.
It's not very cold today.
i-adjective negative
I fell asleep without doing my homework.
ない-base for ないで
I have to go by tomorrow.
ない-base for なければならない

When you can't use it

Easily confused with

Notes

See ない形 in real sentences

Jengo shows ない形 the way you actually meet it: inside real Japanese sentences, so it sticks instead of staying an abstract rule.

Study it in Jengo

See also

Back to Path