入る (hairu) conjugation
to enter, to contain, to hold
入る (はいる, hairu) 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 | 入る hairu | 入ります hairimasu | The form you look up. Also the casual present and future. |
| Plain negative | 入らない hairanai | 入りません hairimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 入った haitta | 入りました hairimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 入らなかった hairanakatta | 入りませんでした hairimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 入って haitte | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 入っている haitteiru | 入っています haitteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 入りたい hairitai | 入りたいです hairitaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 入ろう hairou | 入りましょう hairimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 入れる haireru | 入れます hairemasu | “can ~”. What you could do; the object often takes が. |
| Passive | 入られる hairareru | 入られます hairaremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 入らせる hairaseru | 入らせます hairasemasu | Make or let someone do it. |
| Causative-passive | 入らされる hairasareru | 入らされます hairasaremasu | Be made to do it — the long one. |
| Imperative | 入れ haire | 入ってください haittekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 入るな hairuna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 入れば haireba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 入ったら haittara | — | “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.