好き (suki) conjugation
liking, fondness, love
好き (すき, suki) 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 | 好きだ sukida | 好きです sukidesu | The form you look up. Also the casual “is ~”. |
| Negative | 好きじゃない sukijanai | 好きじゃないです sukijanaidesu | “is not ~”. |
| Past | 好きだった sukidatta | 好きでした sukideshita | “was ~”. |
| Past negative | 好きじゃなかった sukijanakatta | 好きじゃなかったです sukijanakattadesu | “was not ~”. |
| Te-form | 好きで sukide | — | Links to the next clause: “~ and …”. |
| Adverb | 好きに sukini | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 好きな〜 sukina〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 好きなら sukinara | — | “if it is ~”. |
| Conditional (~たら) | 好きだったら sukidattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 好きになる sukininaru | 好きになります sukininarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 好きすぎる sukisugiru | 好きすぎます sukisugimasu | “too ~”. |
| Looks ~ (~そう) | 好きそう sukisou | 好きそうです sukisoudesu | “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.