恋しい (koishii) conjugation
dear, beloved; to miss
恋しい (こいしい, koishii) 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 | 恋しい koishii | 恋しいです koishiidesu | The form you look up. Also the casual “is ~”. |
| Negative | 恋しくない koishikunai | 恋しくないです koishikunaidesu | “is not ~”. |
| Past | 恋しかった koishikatta | 恋しかったです koishikattadesu | “was ~”. |
| Past negative | 恋しくなかった koishikunakatta | 恋しくなかったです koishikunakattadesu | “was not ~”. |
| Te-form | 恋しくて koishikute | — | Links to the next clause: “~ and …”. |
| Adverb | 恋しく koishiku | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 恋しい〜 koishii〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 恋しければ koishikereba | — | “if it is ~”. |
| Conditional (~たら) | 恋しかったら koishikattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 恋しくなる koishikunaru | 恋しくなります koishikunarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 恋しすぎる koishisugiru | 恋しすぎます koishisugimasu | “too ~”. |
| Looks ~ (~そう) | 恋しそう koishisou | 恋しそうです koishisoudesu | “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.