試みる (kokoromiru) conjugation
to try, to test
試みる (こころみる, kokoromiru) is an ichidan verb. Ichidan verbs are the tidy ones: drop the final る and add the ending. Nothing inside the word ever changes. 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 | 試みる kokoromiru | 試みます kokoromimasu | The form you look up. Also the casual present and future. |
| Plain negative | 試みない kokorominai | 試みません kokoromimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 試みた kokoromita | 試みました kokoromimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 試みなかった kokorominakatta | 試みませんでした kokoromimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 試みて kokoromite | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 試みている kokoromiteiru | 試みています kokoromiteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 試みたい kokoromitai | 試みたいです kokoromitaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 試みよう kokoromiyou | 試みましょう kokoromimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 試みられる kokoromirareru | 試みられます kokoromiraremasu | “can ~”. What you could do; the object often takes が. |
| Passive | 試みられる kokoromirareru | 試みられます kokoromiraremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 試みさせる kokoromisaseru | 試みさせます kokoromisasemasu | Make or let someone do it. |
| Causative-passive | 試みさせられる kokoromisaserareru | 試みさせられます kokoromisaseraremasu | Be made to do it — the long one. |
| Imperative | 試みろ kokoromiro | 試みてください kokoromitekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 試みるな kokoromiruna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 試みれば kokoromireba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 試みたら kokoromitara | — | “if / when ~”. The everyday conditional. |
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Why it conjugates this way
Ichidan verbs are the tidy ones: drop the final る and add the ending. Nothing inside the word ever changes.
See the full rules on the verb conjugation guide.