Japanese i-adjective
isogashii — busy 忙しい
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 busy isogashii 忙しい | is not busy isogashikunai 忙しくない |
| Polite | isogashii desu 忙しいです | isogashikunai desu 忙しくないです | |
| Past | Plain | was busy isogashikatta 忙しかった | was not busy isogashikunakatta 忙しくなかった |
| Polite | isogashikatta desu 忙しかったです | isogashikunakatta desu 忙しくなかったです | |
| Presumptive | Plain | will probably be busy isogashii darō 忙しいだろう | isogashikunai darō 忙しくないだろう |
| Polite | isogashii deshō 忙しいでしょう | isogashikunai deshō 忙しくないでしょう | |
| Conditional | Standard | if it is busy isogashikereba 忙しければ | if it is not busy isogashikunakereba 忙しくなければ |
| Connecting form | Standard | isogashikute 忙しくて | isogashikunakute 忙しくなくて |
These conjugations are generated automatically and are intended as a learning guide. Check the natural usage in context when accuracy is important.