新鮮 (shinsen) conjugation
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新鮮 (しんせん, shinsen) 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 | 新鮮だ shinsenda | 新鮮です shinsendesu | The form you look up. Also the casual “is ~”. |
| Negative | 新鮮じゃない shinsenjanai | 新鮮じゃないです shinsenjanaidesu | “is not ~”. |
| Past | 新鮮だった shinsendatta | 新鮮でした shinsendeshita | “was ~”. |
| Past negative | 新鮮じゃなかった shinsenjanakatta | 新鮮じゃなかったです shinsenjanakattadesu | “was not ~”. |
| Te-form | 新鮮で shinsende | — | Links to the next clause: “~ and …”. |
| Adverb | 新鮮に shinsenni | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 新鮮な〜 shinsenna〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 新鮮なら shinsennara | — | “if it is ~”. |
| Conditional (~たら) | 新鮮だったら shinsendattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 新鮮になる shinsenninaru | 新鮮になります shinsenninarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 新鮮すぎる shinsensugiru | 新鮮すぎます shinsensugimasu | “too ~”. |
| Looks ~ (~そう) | 新鮮そう shinsensou | 新鮮そうです shinsensoudesu | “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.