志す (kokorozasu) conjugation
to plan, to intend, to aspire to
志す (こころざす, kokorozasu) 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 | 志す kokorozasu | 志します kokorozashimasu | The form you look up. Also the casual present and future. |
| Plain negative | 志さない kokorozasanai | 志しません kokorozashimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 志した kokorozashita | 志しました kokorozashimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 志さなかった kokorozasanakatta | 志しませんでした kokorozashimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 志して kokorozashite | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 志している kokorozashiteiru | 志しています kokorozashiteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 志したい kokorozashitai | 志したいです kokorozashitaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 志そう kokorozasou | 志しましょう kokorozashimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 志せる kokorozaseru | 志せます kokorozasemasu | “can ~”. What you could do; the object often takes が. |
| Passive | 志される kokorozasareru | 志されます kokorozasaremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 志させる kokorozasaseru | 志させます kokorozasasemasu | Make or let someone do it. |
| Causative-passive | 志させられる kokorozasaserareru | 志させられます kokorozasaseraremasu | Be made to do it — the long one. |
| Imperative | 志せ kokorozase | 志してください kokorozashitekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 志すな kokorozasuna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 志せば kokorozaseba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 志したら kokorozashitara | — | “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.