煙い (kemui) conjugation
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煙い (けむい, kemui) 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 | 煙い kemui | 煙いです kemuidesu | The form you look up. Also the casual “is ~”. |
| Negative | 煙くない kemukunai | 煙くないです kemukunaidesu | “is not ~”. |
| Past | 煙かった kemukatta | 煙かったです kemukattadesu | “was ~”. |
| Past negative | 煙くなかった kemukunakatta | 煙くなかったです kemukunakattadesu | “was not ~”. |
| Te-form | 煙くて kemukute | — | Links to the next clause: “~ and …”. |
| Adverb | 煙く kemuku | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 煙い〜 kemui〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 煙ければ kemukereba | — | “if it is ~”. |
| Conditional (~たら) | 煙かったら kemukattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 煙くなる kemukunaru | 煙くなります kemukunarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 煙すぎる kemusugiru | 煙すぎます kemusugimasu | “too ~”. |
| Looks ~ (~そう) | 煙そう kemusou | 煙そうです kemusoudesu | “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.