特殊 (tokushu) conjugation
special, unique
特殊 (とくしゅ, tokushu) 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 | 特殊だ tokushuda | 特殊です tokushudesu | The form you look up. Also the casual “is ~”. |
| Negative | 特殊じゃない tokushujanai | 特殊じゃないです tokushujanaidesu | “is not ~”. |
| Past | 特殊だった tokushudatta | 特殊でした tokushudeshita | “was ~”. |
| Past negative | 特殊じゃなかった tokushujanakatta | 特殊じゃなかったです tokushujanakattadesu | “was not ~”. |
| Te-form | 特殊で tokushude | — | Links to the next clause: “~ and …”. |
| Adverb | 特殊に tokushuni | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 特殊な〜 tokushuna〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 特殊なら tokushunara | — | “if it is ~”. |
| Conditional (~たら) | 特殊だったら tokushudattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 特殊になる tokushuninaru | 特殊になります tokushuninarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 特殊すぎる tokushusugiru | 特殊すぎます tokushusugimasu | “too ~”. |
| Looks ~ (~そう) | 特殊そう tokushusou | 特殊そうです tokushusoudesu | “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.