Japanese i-adjective
kitanai — dirty 汚い
Explore the principal positive, negative, past, non-past and conditional forms of this Japanese adjective.
How i-adjectives conjugate
The final い changes to create negative, past and connecting forms. The adjective itself carries this grammatical information, so a separate verb is not required in the plain forms.
Conjugation table
The English glosses are approximate; the natural translation depends on the surrounding sentence.
| Form | Style | Positive | Negative |
|---|---|---|---|
| Present (non-past) | Plain | is dirty kitanai 汚い | is not dirty kitanakunai 汚くない |
| Polite | kitanai desu 汚いです | kitanakunai desu 汚くないです | |
| Past | Plain | was dirty kitanakatta 汚かった | was not dirty kitanakunakatta 汚くなかった |
| Polite | kitanakatta desu 汚かったです | kitanakunakatta desu 汚くなかったです | |
| Presumptive | Plain | will probably be dirty kitanai darō 汚いだろう | kitanakunai darō 汚くないだろう |
| Polite | kitanai deshō 汚いでしょう | kitanakunai deshō 汚くないでしょう | |
| Conditional | Standard | if it is dirty kitanakereba 汚ければ | if it is not dirty kitanakunakereba 汚くなければ |
| Connecting form | Standard | kitanakute 汚くて | kitanakunakute 汚くなくて |
These conjugations are generated automatically and are intended as a learning guide. Check the natural usage in context when accuracy is important.