組み立てる (kumitateru) conjugation
to assemble, to set up, to construct
組み立てる (くみたてる, kumitateru) 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 | 組み立てる kumitateru | 組み立てます kumitatemasu | The form you look up. Also the casual present and future. |
| Plain negative | 組み立てない kumitatenai | 組み立てません kumitatemasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 組み立てた kumitateta | 組み立てました kumitatemashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 組み立てなかった kumitatenakatta | 組み立てませんでした kumitatemasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 組み立てて kumitatete | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 組み立てている kumitateteiru | 組み立てています kumitateteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 組み立てたい kumitatetai | 組み立てたいです kumitatetaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 組み立てよう kumitateyou | 組み立てましょう kumitatemashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 組み立てられる kumitaterareru | 組み立てられます kumitateraremasu | “can ~”. What you could do; the object often takes が. |
| Passive | 組み立てられる kumitaterareru | 組み立てられます kumitateraremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 組み立てさせる kumitatesaseru | 組み立てさせます kumitatesasemasu | Make or let someone do it. |
| Causative-passive | 組み立てさせられる kumitatesaserareru | 組み立てさせられます kumitatesaseraremasu | Be made to do it — the long one. |
| Imperative | 組み立てろ kumitatero | 組み立ててください kumitatetekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 組み立てるな kumitateruna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 組み立てれば kumitatereba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 組み立てたら kumitatetara | — | “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.