病む (yamu) conjugation
to fall ill, to be ill
病む (やむ, yamu) 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 | 病む yamu | 病みます yamimasu | The form you look up. Also the casual present and future. |
| Plain negative | 病まない yamanai | 病みません yamimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 病んだ yanda | 病みました yamimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 病まなかった yamanakatta | 病みませんでした yamimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 病んで yande | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 病んでいる yandeiru | 病んでいます yandeimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 病みたい yamitai | 病みたいです yamitaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 病もう yamou | 病みましょう yamimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 病める yameru | 病めます yamemasu | “can ~”. What you could do; the object often takes が. |
| Passive | 病まれる yamareru | 病まれます yamaremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 病ませる yamaseru | 病ませます yamasemasu | Make or let someone do it. |
| Causative-passive | 病まされる yamasareru | 病まされます yamasaremasu | Be made to do it — the long one. |
| Imperative | 病め yame | 病んでください yandekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 病むな yamuna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 病めば yameba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 病んだら yandara | — | “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.