妨げる (samatageru) conjugation
to disturb, to prevent
妨げる (さまたげる, samatageru) 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 | 妨げる samatageru | 妨げます samatagemasu | The form you look up. Also the casual present and future. |
| Plain negative | 妨げない samatagenai | 妨げません samatagemasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 妨げた samatageta | 妨げました samatagemashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 妨げなかった samatagenakatta | 妨げませんでした samatagemasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 妨げて samatagete | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 妨げている samatageteiru | 妨げています samatageteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 妨げたい samatagetai | 妨げたいです samatagetaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 妨げよう samatageyou | 妨げましょう samatagemashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 妨げられる samatagerareru | 妨げられます samatageraremasu | “can ~”. What you could do; the object often takes が. |
| Passive | 妨げられる samatagerareru | 妨げられます samatageraremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 妨げさせる samatagesaseru | 妨げさせます samatagesasemasu | Make or let someone do it. |
| Causative-passive | 妨げさせられる samatagesaserareru | 妨げさせられます samatagesaseraremasu | Be made to do it — the long one. |
| Imperative | 妨げろ samatagero | 妨げてください samatagetekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 妨げるな samatageruna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 妨げれば samatagereba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 妨げたら samatagetara | — | “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.