満たす (mitasu) conjugation
to satisfy, to ingratiate, to fill, to fulfill
満たす (みたす, mitasu) 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 | 満たす mitasu | 満たします mitashimasu | The form you look up. Also the casual present and future. |
| Plain negative | 満たさない mitasanai | 満たしません mitashimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 満たした mitashita | 満たしました mitashimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 満たさなかった mitasanakatta | 満たしませんでした mitashimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 満たして mitashite | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 満たしている mitashiteiru | 満たしています mitashiteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 満たしたい mitashitai | 満たしたいです mitashitaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 満たそう mitasou | 満たしましょう mitashimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 満たせる mitaseru | 満たせます mitasemasu | “can ~”. What you could do; the object often takes が. |
| Passive | 満たされる mitasareru | 満たされます mitasaremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 満たさせる mitasaseru | 満たさせます mitasasemasu | Make or let someone do it. |
| Causative-passive | 満たさせられる mitasaserareru | 満たさせられます mitasaseraremasu | Be made to do it — the long one. |
| Imperative | 満たせ mitase | 満たしてください mitashitekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 満たすな mitasuna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 満たせば mitaseba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 満たしたら mitashitara | — | “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.