直 (jiki) conjugation
immediately, soon, shortly
直 (じき, jiki) 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 | 直だ jikida | 直です jikidesu | The form you look up. Also the casual “is ~”. |
| Negative | 直じゃない jikijanai | 直じゃないです jikijanaidesu | “is not ~”. |
| Past | 直だった jikidatta | 直でした jikideshita | “was ~”. |
| Past negative | 直じゃなかった jikijanakatta | 直じゃなかったです jikijanakattadesu | “was not ~”. |
| Te-form | 直で jikide | — | Links to the next clause: “~ and …”. |
| Adverb | 直に jikini | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 直な〜 jikina〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 直なら jikinara | — | “if it is ~”. |
| Conditional (~たら) | 直だったら jikidattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 直になる jikininaru | 直になります jikininarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 直すぎる jikisugiru | 直すぎます jikisugimasu | “too ~”. |
| Looks ~ (~そう) | 直そう jikisou | 直そうです jikisoudesu | “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.