直す (naosu) conjugation
to correct (v.t.); to fix
直す (なおす, naosu) is a godan verb. Godan verbs change their final kana up and down its column of the kana chart — the a-row for negatives, the i-row before ます, the e-row for potential and ば. Every form below is tappable — hear it, then say it back.
Conjugation table
| Form | Plain (casual) | Polite (~ます) | When you use it |
|---|---|---|---|
| Dictionary / plain | 直す naosu | 直します naoshimasu | The form you look up. Also the casual present and future. |
| Plain negative | 直さない naosanai | 直しません naoshimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 直した naoshita | 直しました naoshimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 直さなかった naosanakatta | 直しませんでした naoshimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 直して naoshite | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 直している naoshiteiru | 直しています naoshiteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 直したい naoshitai | 直したいです naoshitaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 直そう naosou | 直しましょう naoshimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 直せる naoseru | 直せます naosemasu | “can ~”. What you could do; the object often takes が. |
| Passive | 直される naosareru | 直されます naosaremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 直させる naosaseru | 直させます naosasemasu | Make or let someone do it. |
| Causative-passive | 直させられる naosaserareru | 直させられます naosaseraremasu | Be made to do it — the long one. |
| Imperative | 直せ naose | 直してください naoshitekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 直すな naosuna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 直せば naoseba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 直したら naoshitara | — | “if / when ~”. The everyday conditional. |
🔊 Tap any Japanese word to hear it spoken.
Why it conjugates this way
Godan verbs change their final kana up and down its column of the kana chart — the a-row for negatives, the i-row before ます, the e-row for potential and ば.
See the full rules on the verb conjugation guide.