冷える (hieru) conjugation
to grow cold, to cool down
冷える (ひえる, hieru) 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 | 冷える hieru | 冷えます hiemasu | The form you look up. Also the casual present and future. |
| Plain negative | 冷えない hienai | 冷えません hiemasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 冷えた hieta | 冷えました hiemashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 冷えなかった hienakatta | 冷えませんでした hiemasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 冷えて hiete | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 冷えている hieteiru | 冷えています hieteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 冷えたい hietai | 冷えたいです hietaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 冷えよう hieyou | 冷えましょう hiemashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 冷えられる hierareru | 冷えられます hieraremasu | “can ~”. What you could do; the object often takes が. |
| Passive | 冷えられる hierareru | 冷えられます hieraremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 冷えさせる hiesaseru | 冷えさせます hiesasemasu | Make or let someone do it. |
| Causative-passive | 冷えさせられる hiesaserareru | 冷えさせられます hiesaseraremasu | Be made to do it — the long one. |
| Imperative | 冷えろ hiero | 冷えてください hietekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 冷えるな hieruna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 冷えれば hiereba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 冷えたら hietara | — | “if / when ~”. The everyday conditional. |
🔊 Tap any Japanese word to hear it spoken.
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.