削る (kezuru) conjugation
to cut down little by little, to take a percentage
削る (けずる, kezuru) 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 | 削る kezuru | 削ります kezurimasu | The form you look up. Also the casual present and future. |
| Plain negative | 削らない kezuranai | 削りません kezurimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 削った kezutta | 削りました kezurimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 削らなかった kezuranakatta | 削りませんでした kezurimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 削って kezutte | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 削っている kezutteiru | 削っています kezutteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 削りたい kezuritai | 削りたいです kezuritaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 削ろう kezurou | 削りましょう kezurimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 削れる kezureru | 削れます kezuremasu | “can ~”. What you could do; the object often takes が. |
| Passive | 削られる kezurareru | 削られます kezuraremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 削らせる kezuraseru | 削らせます kezurasemasu | Make or let someone do it. |
| Causative-passive | 削らされる kezurasareru | 削らされます kezurasaremasu | Be made to do it — the long one. |
| Imperative | 削れ kezure | 削ってください kezuttekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 削るな kezuruna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 削れば kezureba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 削ったら kezuttara | — | “if / when ~”. The everyday conditional. |
🔊 Tap any Japanese word to hear it spoken.
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.