対する (taisuru) conjugation
to face, to confront, to oppose
対する (たいする, taisuru) is an irregular verb. Only する and 来る are truly irregular, and every learner meets them in week one. 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 | 対する taisuru | 対します taishimasu | The form you look up. Also the casual present and future. |
| Plain negative | 対しない taishinai | 対しません taishimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 対した taishita | 対しました taishimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 対しなかった taishinakatta | 対しませんでした taishimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 対して taishite | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 対している taishiteiru | 対しています taishiteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 対したい taishitai | 対したいです taishitaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 対しよう taishiyou | 対しましょう taishimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 対できる taidekiru | 対できます taidekimasu | “can ~”. What you could do; the object often takes が. |
| Passive | 対される taisareru | 対されます taisaremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 対させる taisaseru | 対させます taisasemasu | Make or let someone do it. |
| Causative-passive | 対させられる taisaserareru | 対させられます taisaseraremasu | Be made to do it — the long one. |
| Imperative | 対しろ taishiro | 対してください taishitekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 対するな taisuruna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 対すれば taisureba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 対したら taishitara | — | “if / when ~”. The everyday conditional. |
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Why it conjugates this way
Only する and 来る are truly irregular, and every learner meets them in week one.
See the full rules on the verb conjugation guide.