生やす (hayasu) conjugation
to grow, to cultivate, to wear beard
生やす (はやす, hayasu) 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 | 生やす hayasu | 生やします hayashimasu | The form you look up. Also the casual present and future. |
| Plain negative | 生やさない hayasanai | 生やしません hayashimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 生やした hayashita | 生やしました hayashimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 生やさなかった hayasanakatta | 生やしませんでした hayashimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 生やして hayashite | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 生やしている hayashiteiru | 生やしています hayashiteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 生やしたい hayashitai | 生やしたいです hayashitaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 生やそう hayasou | 生やしましょう hayashimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 生やせる hayaseru | 生やせます hayasemasu | “can ~”. What you could do; the object often takes が. |
| Passive | 生やされる hayasareru | 生やされます hayasaremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 生やさせる hayasaseru | 生やさせます hayasasemasu | Make or let someone do it. |
| Causative-passive | 生やさせられる hayasaserareru | 生やさせられます hayasaseraremasu | Be made to do it — the long one. |
| Imperative | 生やせ hayase | 生やしてください hayashitekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 生やすな hayasuna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 生やせば hayaseba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 生やしたら hayashitara | — | “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.