錆びる (sabiru) conjugation
to rust, to become rusty
錆びる (さびる, sabiru) 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 | 錆びる sabiru | 錆びます sabimasu | The form you look up. Also the casual present and future. |
| Plain negative | 錆びない sabinai | 錆びません sabimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 錆びた sabita | 錆びました sabimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 錆びなかった sabinakatta | 錆びませんでした sabimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 錆びて sabite | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 錆びている sabiteiru | 錆びています sabiteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 錆びたい sabitai | 錆びたいです sabitaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 錆びよう sabiyou | 錆びましょう sabimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 錆びられる sabirareru | 錆びられます sabiraremasu | “can ~”. What you could do; the object often takes が. |
| Passive | 錆びられる sabirareru | 錆びられます sabiraremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 錆びさせる sabisaseru | 錆びさせます sabisasemasu | Make or let someone do it. |
| Causative-passive | 錆びさせられる sabisaserareru | 錆びさせられます sabisaseraremasu | Be made to do it — the long one. |
| Imperative | 錆びろ sabiro | 錆びてください sabitekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 錆びるな sabiruna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 錆びれば sabireba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 錆びたら sabitara | — | “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.