押す (osu) conjugation
to push, to press, to stamp (e.g., a passport)
押す (おす, osu) 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 | 押す osu | 押します oshimasu | The form you look up. Also the casual present and future. |
| Plain negative | 押さない osanai | 押しません oshimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 押した oshita | 押しました oshimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 押さなかった osanakatta | 押しませんでした oshimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 押して oshite | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 押している oshiteiru | 押しています oshiteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 押したい oshitai | 押したいです oshitaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 押そう osou | 押しましょう oshimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 押せる oseru | 押せます osemasu | “can ~”. What you could do; the object often takes が. |
| Passive | 押される osareru | 押されます osaremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 押させる osaseru | 押させます osasemasu | Make or let someone do it. |
| Causative-passive | 押させられる osaserareru | 押させられます osaseraremasu | Be made to do it — the long one. |
| Imperative | 押せ ose | 押してください oshitekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 押すな osuna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 押せば oseba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 押したら oshitara | — | “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.