Japanese i-adjective
tadashii — correct 正しい
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 correct tadashii 正しい | is not correct tadashikunai 正しくない |
| Polite | tadashii desu 正しいです | tadashikunai desu 正しくないです | |
| Past | Plain | was correct tadashikatta 正しかった | was not correct tadashikunakatta 正しくなかった |
| Polite | tadashikatta desu 正しかったです | tadashikunakatta desu 正しくなかったです | |
| Presumptive | Plain | will probably be correct tadashii darō 正しいだろう | tadashikunai darō 正しくないだろう |
| Polite | tadashii deshō 正しいでしょう | tadashikunai deshō 正しくないでしょう | |
| Conditional | Standard | if it is correct tadashikereba 正しければ | if it is not correct tadashikunakereba 正しくなければ |
| Connecting form | Standard | tadashikute 正しくて | tadashikunakute 正しくなくて |
These conjugations are generated automatically and are intended as a learning guide. Check the natural usage in context when accuracy is important.