ぺこぺこ (pekopeko) conjugation
fawn, be very hungry
ぺこぺこ (ぺこぺこ, pekopeko) 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 | ぺこぺこだ pekopekoda | ぺこぺこです pekopekodesu | The form you look up. Also the casual “is ~”. |
| Negative | ぺこぺこじゃない pekopekojanai | ぺこぺこじゃないです pekopekojanaidesu | “is not ~”. |
| Past | ぺこぺこだった pekopekodatta | ぺこぺこでした pekopekodeshita | “was ~”. |
| Past negative | ぺこぺこじゃなかった pekopekojanakatta | ぺこぺこじゃなかったです pekopekojanakattadesu | “was not ~”. |
| Te-form | ぺこぺこで pekopekode | — | Links to the next clause: “~ and …”. |
| Adverb | ぺこぺこに pekopekoni | — | Turns it into “~ly”, describing a verb. |
| Before a noun | ぺこぺこな〜 pekopekona〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | ぺこぺこなら pekopekonara | — | “if it is ~”. |
| Conditional (~たら) | ぺこぺこだったら pekopekodattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | ぺこぺこになる pekopekoninaru | ぺこぺこになります pekopekoninarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | ぺこぺこすぎる pekopekosugiru | ぺこぺこすぎます pekopekosugimasu | “too ~”. |
| Looks ~ (~そう) | ぺこぺこそう pekopekosou | ぺこぺこそうです pekopekosoudesu | “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.