達者 (tassha) conjugation
skillful, in good health
達者 (たっしゃ, tassha) is a na-adjective. Na-adjectives behave like nouns. The word itself never changes — you conjugate だ/です after it, and you need な to put it in front of a noun.
Conjugation table
| Form | Plain (casual) | Polite (~です) | When you use it |
|---|---|---|---|
| Dictionary / plain | 達者だ tasshada | 達者です tasshadesu | The form you look up. Also the casual “is ~”. |
| Negative | 達者じゃない tasshajanai | 達者じゃないです tasshajanaidesu | “is not ~”. |
| Past | 達者だった tasshadatta | 達者でした tasshadeshita | “was ~”. |
| Past negative | 達者じゃなかった tasshajanakatta | 達者じゃなかったです tasshajanakattadesu | “was not ~”. |
| Te-form | 達者で tasshade | — | Links to the next clause: “~ and …”. |
| Adverb | 達者に tasshani | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 達者な〜 tasshana〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 達者なら tasshanara | — | “if it is ~”. |
| Conditional (~たら) | 達者だったら tasshadattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 達者になる tasshaninaru | 達者になります tasshaninarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 達者すぎる tasshasugiru | 達者すぎます tasshasugimasu | “too ~”. |
| Looks ~ (~そう) | 達者そう tasshasou | 達者そうです tasshasoudesu | “looks / seems ~” from appearance. |
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Why it conjugates this way
Na-adjectives behave like nouns. The word itself never changes — you conjugate だ/です after it, and you need な to put it in front of a noun.
See the full rules in the adjective conjugation guide.