茹でる (yuderu) conjugation
to boil
茹でる (ゆでる, yuderu) 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 | 茹でる yuderu | 茹でます yudemasu | The form you look up. Also the casual present and future. |
| Plain negative | 茹でない yudenai | 茹でません yudemasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 茹でた yudeta | 茹でました yudemashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 茹でなかった yudenakatta | 茹でませんでした yudemasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 茹でて yudete | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 茹でている yudeteiru | 茹でています yudeteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 茹でたい yudetai | 茹でたいです yudetaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 茹でよう yudeyou | 茹でましょう yudemashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 茹でられる yuderareru | 茹でられます yuderaremasu | “can ~”. What you could do; the object often takes が. |
| Passive | 茹でられる yuderareru | 茹でられます yuderaremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 茹でさせる yudesaseru | 茹でさせます yudesasemasu | Make or let someone do it. |
| Causative-passive | 茹でさせられる yudesaserareru | 茹でさせられます yudesaseraremasu | Be made to do it — the long one. |
| Imperative | 茹でろ yudero | 茹でてください yudetekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 茹でるな yuderuna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 茹でれば yudereba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 茹でたら yudetara | — | “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.