射す (sasu) conjugation
to shine, to strike
射す (さす, sasu) 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 | 射す sasu | 射します sashimasu | The form you look up. Also the casual present and future. |
| Plain negative | 射さない sasanai | 射しません sashimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 射した sashita | 射しました sashimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 射さなかった sasanakatta | 射しませんでした sashimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 射して sashite | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 射している sashiteiru | 射しています sashiteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 射したい sashitai | 射したいです sashitaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 射そう sasou | 射しましょう sashimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 射せる saseru | 射せます sasemasu | “can ~”. What you could do; the object often takes が. |
| Passive | 射される sasareru | 射されます sasaremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 射させる sasaseru | 射させます sasasemasu | Make or let someone do it. |
| Causative-passive | 射させられる sasaserareru | 射させられます sasaseraremasu | Be made to do it — the long one. |
| Imperative | 射せ sase | 射してください sashitekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 射すな sasuna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 射せば saseba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 射したら sashitara | — | “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.