眠たい (nemutai) conjugation
sleepy
眠たい (ねむたい, nemutai) 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 | 眠たい nemutai | 眠たいです nemutaidesu | The form you look up. Also the casual “is ~”. |
| Negative | 眠たくない nemutakunai | 眠たくないです nemutakunaidesu | “is not ~”. |
| Past | 眠たかった nemutakatta | 眠たかったです nemutakattadesu | “was ~”. |
| Past negative | 眠たくなかった nemutakunakatta | 眠たくなかったです nemutakunakattadesu | “was not ~”. |
| Te-form | 眠たくて nemutakute | — | Links to the next clause: “~ and …”. |
| Adverb | 眠たく nemutaku | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 眠たい〜 nemutai〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 眠たければ nemutakereba | — | “if it is ~”. |
| Conditional (~たら) | 眠たかったら nemutakattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 眠たくなる nemutakunaru | 眠たくなります nemutakunarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 眠たすぎる nemutasugiru | 眠たすぎます nemutasugimasu | “too ~”. |
| Looks ~ (~そう) | 眠たそう nemutasou | 眠たそうです nemutasoudesu | “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.