煮る (niru) conjugation
to boil, to cook
煮る (にる, niru) 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 | 煮る niru | 煮ます nimasu | The form you look up. Also the casual present and future. |
| Plain negative | 煮ない ninai | 煮ません nimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 煮た nita | 煮ました nimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 煮なかった ninakatta | 煮ませんでした nimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 煮て nite | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 煮ている niteiru | 煮ています niteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 煮たい nitai | 煮たいです nitaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 煮よう niyou | 煮ましょう nimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 煮られる nirareru | 煮られます niraremasu | “can ~”. What you could do; the object often takes が. |
| Passive | 煮られる nirareru | 煮られます niraremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 煮させる nisaseru | 煮させます nisasemasu | Make or let someone do it. |
| Causative-passive | 煮させられる nisaserareru | 煮させられます nisaseraremasu | Be made to do it — the long one. |
| Imperative | 煮ろ niro | 煮てください nitekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 煮るな niruna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 煮れば nireba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 煮たら nitara | — | “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.