Japanese i-adjective
futoi — thick - fat 太い
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 thick - fat futoi 太い | is not thick - fat futokunai 太くない |
| Polite | futoi desu 太いです | futokunai desu 太くないです | |
| Past | Plain | was thick - fat futokatta 太かった | was not thick - fat futokunakatta 太くなかった |
| Polite | futokatta desu 太かったです | futokunakatta desu 太くなかったです | |
| Presumptive | Plain | will probably be thick - fat futoi darō 太いだろう | futokunai darō 太くないだろう |
| Polite | futoi deshō 太いでしょう | futokunai deshō 太くないでしょう | |
| Conditional | Standard | if it is thick - fat futokereba 太ければ | if it is not thick - fat futokunakereba 太くなければ |
| Connecting form | Standard | futokute 太くて | futokunakute 太くなくて |
These conjugations are generated automatically and are intended as a learning guide. Check the natural usage in context when accuracy is important.