Japanese i-adjective
ookii — big 大きい
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 big ookii 大きい | is not big ookikunai 大きくない |
| Polite | ookii desu 大きいです | ookikunai desu 大きくないです | |
| Past | Plain | was big ookikatta 大きかった | was not big ookikunakatta 大きくなかった |
| Polite | ookikatta desu 大きかったです | ookikunakatta desu 大きくなかったです | |
| Presumptive | Plain | will probably be big ookii darō 大きいだろう | ookikunai darō 大きくないだろう |
| Polite | ookii deshō 大きいでしょう | ookikunai deshō 大きくないでしょう | |
| Conditional | Standard | if it is big ookikereba 大きければ | if it is not big ookikunakereba 大きくなければ |
| Connecting form | Standard | ookikute 大きくて | ookikunakute 大きくなくて |
These conjugations are generated automatically and are intended as a learning guide. Check the natural usage in context when accuracy is important.