築く (kizuku) conjugation
to build, to establish
築く (きずく, kizuku) 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 | 築く kizuku | 築きます kizukimasu | The form you look up. Also the casual present and future. |
| Plain negative | 築かない kizukanai | 築きません kizukimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 築いた kizuita | 築きました kizukimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 築かなかった kizukanakatta | 築きませんでした kizukimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 築いて kizuite | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 築いている kizuiteiru | 築いています kizuiteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 築きたい kizukitai | 築きたいです kizukitaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 築こう kizukou | 築きましょう kizukimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 築ける kizukeru | 築けます kizukemasu | “can ~”. What you could do; the object often takes が. |
| Passive | 築かれる kizukareru | 築かれます kizukaremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 築かせる kizukaseru | 築かせます kizukasemasu | Make or let someone do it. |
| Causative-passive | 築かされる kizukasareru | 築かされます kizukasaremasu | Be made to do it — the long one. |
| Imperative | 築け kizuke | 築いてください kizuitekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 築くな kizukuna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 築けば kizukeba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 築いたら kizuitara | — | “if / when ~”. The everyday conditional. |
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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.