立てる (tateru) conjugation
to stand (something) up, to erect (something)
立てる (たてる, tateru) 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 | 立てる tateru | 立てます tatemasu | The form you look up. Also the casual present and future. |
| Plain negative | 立てない tatenai | 立てません tatemasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 立てた tateta | 立てました tatemashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 立てなかった tatenakatta | 立てませんでした tatemasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 立てて tatete | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 立てている tateteiru | 立てています tateteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 立てたい tatetai | 立てたいです tatetaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 立てよう tateyou | 立てましょう tatemashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 立てられる taterareru | 立てられます tateraremasu | “can ~”. What you could do; the object often takes が. |
| Passive | 立てられる taterareru | 立てられます tateraremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 立てさせる tatesaseru | 立てさせます tatesasemasu | Make or let someone do it. |
| Causative-passive | 立てさせられる tatesaserareru | 立てさせられます tatesaseraremasu | Be made to do it — the long one. |
| Imperative | 立てろ tatero | 立ててください tatetekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 立てるな tateruna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 立てれば tatereba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 立てたら tatetara | — | “if / when ~”. The everyday conditional. |
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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.