Japanese i-adjective
tsuyoi — strong 強い
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 strong tsuyoi 強い | is not strong tsuyokunai 強くない |
| Polite | tsuyoi desu 強いです | tsuyokunai desu 強くないです | |
| Past | Plain | was strong tsuyokatta 強かった | was not strong tsuyokunakatta 強くなかった |
| Polite | tsuyokatta desu 強かったです | tsuyokunakatta desu 強くなかったです | |
| Presumptive | Plain | will probably be strong tsuyoi darō 強いだろう | tsuyokunai darō 強くないだろう |
| Polite | tsuyoi deshō 強いでしょう | tsuyokunai deshō 強くないでしょう | |
| Conditional | Standard | if it is strong tsuyokereba 強ければ | if it is not strong tsuyokunakereba 強くなければ |
| Connecting form | Standard | tsuyokute 強くて | tsuyokunakute 強くなくて |
These conjugations are generated automatically and are intended as a learning guide. Check the natural usage in context when accuracy is important.