立つ (tatsu) conjugation
to stand up
立つ (たつ, tatsu) 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 | 立つ tatsu | 立ちます tachimasu | The form you look up. Also the casual present and future. |
| Plain negative | 立たない tatanai | 立ちません tachimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 立った tatta | 立ちました tachimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 立たなかった tatanakatta | 立ちませんでした tachimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 立って tatte | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 立っている tatteiru | 立っています tatteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 立ちたい tachitai | 立ちたいです tachitaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 立とう tatou | 立ちましょう tachimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 立てる tateru | 立てます tatemasu | “can ~”. What you could do; the object often takes が. |
| Passive | 立たれる tatareru | 立たれます tataremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 立たせる tataseru | 立たせます tatasemasu | Make or let someone do it. |
| Causative-passive | 立たされる tatasareru | 立たされます tatasaremasu | Be made to do it — the long one. |
| Imperative | 立て tate | 立ってください tattekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 立つな tatsuna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 立てば tateba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 立ったら tattara | — | “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.