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Last Updated :2026/07/08

ない

Kanji
無い
Hepburn romanization
nai
Pitch accent
Auxiliary verb
broadly

無い: no, not any / not reaching a certain quantity; less than / (by extension) 亡い: passed away, dead

There is no milk in the refrigerator.

Word Forms

The basic and commonly used forms of this auxiliary verb.

Basic forms
Form Word form Usage
Imperfective form (mizenkei) Available forms depend on the auxiliary verb.
Continuative form (renyokei)
Alternative: なかっ
Available forms depend on the auxiliary verb.
Conclusive form (shushikei) The basic form carrying the grammatical function.
Attributive form (rentaikei) Usage depends on the surrounding words.
Conditional form (kateikei) Used when the auxiliary participates in a conditional expression.
Imperative form (meireikei) Some auxiliaries do not have this form.
Common forms
Form Word form Usage
No displayable derived forms are available.
Notes
  • 指定品詞に従い、打消の助動詞「ない」の活用を示す。
  • 形容詞「無い」「亡い」としての用法は別項目。
  • 連用形「なかっ」は主に「なかった」などで用いる。命令形「なかれ」は文語的・古風。

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