追い出す (oidasu) conjugation
to expel, to drive out
追い出す (おいだす, oidasu) 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 | 追い出す oidasu | 追い出します oidashimasu | The form you look up. Also the casual present and future. |
| Plain negative | 追い出さない oidasanai | 追い出しません oidashimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 追い出した oidashita | 追い出しました oidashimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 追い出さなかった oidasanakatta | 追い出しませんでした oidashimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 追い出して oidashite | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 追い出している oidashiteiru | 追い出しています oidashiteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 追い出したい oidashitai | 追い出したいです oidashitaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 追い出そう oidasou | 追い出しましょう oidashimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 追い出せる oidaseru | 追い出せます oidasemasu | “can ~”. What you could do; the object often takes が. |
| Passive | 追い出される oidasareru | 追い出されます oidasaremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 追い出させる oidasaseru | 追い出させます oidasasemasu | Make or let someone do it. |
| Causative-passive | 追い出させられる oidasaserareru | 追い出させられます oidasaseraremasu | Be made to do it — the long one. |
| Imperative | 追い出せ oidase | 追い出してください oidashitekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 追い出すな oidasuna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 追い出せば oidaseba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 追い出したら oidashitara | — | “if / when ~”. The everyday conditional. |
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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.