Japanese i-adjective
kuroi — black 黒い
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 black kuroi 黒い | is not black kurokunai 黒くない |
| Polite | kuroi desu 黒いです | kurokunai desu 黒くないです | |
| Past | Plain | was black kurokatta 黒かった | was not black kurokunakatta 黒くなかった |
| Polite | kurokatta desu 黒かったです | kurokunakatta desu 黒くなかったです | |
| Presumptive | Plain | will probably be black kuroi darō 黒いだろう | kurokunai darō 黒くないだろう |
| Polite | kuroi deshō 黒いでしょう | kurokunai deshō 黒くないでしょう | |
| Conditional | Standard | if it is black kurokereba 黒ければ | if it is not black kurokunakereba 黒くなければ |
| Connecting form | Standard | kurokute 黒くて | kurokunakute 黒くなくて |
These conjugations are generated automatically and are intended as a learning guide. Check the natural usage in context when accuracy is important.