Japanese i-adjective
takai — expensive, high, tall 高い
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 expensive, high, tall takai 高い | is not expensive, high, tall takakunai 高くない |
| Polite | takai desu 高いです | takakunai desu 高くないです | |
| Past | Plain | was expensive, high, tall takakatta 高かった | was not expensive, high, tall takakunakatta 高くなかった |
| Polite | takakatta desu 高かったです | takakunakatta desu 高くなかったです | |
| Presumptive | Plain | will probably be expensive, high, tall takai darō 高いだろう | takakunai darō 高くないだろう |
| Polite | takai deshō 高いでしょう | takakunai deshō 高くないでしょう | |
| Conditional | Standard | if it is expensive, high, tall takakereba 高ければ | if it is not expensive, high, tall takakunakereba 高くなければ |
| Connecting form | Standard | takakute 高くて | takakunakute 高くなくて |
These conjugations are generated automatically and are intended as a learning guide. Check the natural usage in context when accuracy is important.