白い (shiroi) conjugation
white
白い (しろい, shiroi) is an i-adjective. I-adjectives carry their own tense: drop the final い and the endings attach straight to the stem. No だ, no です needed to make a complete sentence.
Conjugation table
| Form | Plain (casual) | Polite (~です) | When you use it |
|---|---|---|---|
| Dictionary / plain | 白い shiroi | 白いです shiroidesu | The form you look up. Also the casual “is ~”. |
| Negative | 白くない shirokunai | 白くないです shirokunaidesu | “is not ~”. |
| Past | 白かった shirokatta | 白かったです shirokattadesu | “was ~”. |
| Past negative | 白くなかった shirokunakatta | 白くなかったです shirokunakattadesu | “was not ~”. |
| Te-form | 白くて shirokute | — | Links to the next clause: “~ and …”. |
| Adverb | 白く shiroku | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 白い〜 shiroi〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 白ければ shirokereba | — | “if it is ~”. |
| Conditional (~たら) | 白かったら shirokattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 白くなる shirokunaru | 白くなります shirokunarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 白すぎる shirosugiru | 白すぎます shirosugimasu | “too ~”. |
| Looks ~ (~そう) | 白そう shirosou | 白そうです shirosoudesu | “looks / seems ~” from appearance. |
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Why it conjugates this way
I-adjectives carry their own tense: drop the final い and the endings attach straight to the stem. No だ, no です needed to make a complete sentence.
See the full rules in the adjective conjugation guide.