長引く (nagabiku) conjugation
to be prolonged, to drag on
長引く (ながびく, nagabiku) 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 | 長引く nagabiku | 長引きます nagabikimasu | The form you look up. Also the casual present and future. |
| Plain negative | 長引かない nagabikanai | 長引きません nagabikimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 長引いた nagabiita | 長引きました nagabikimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 長引かなかった nagabikanakatta | 長引きませんでした nagabikimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 長引いて nagabiite | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 長引いている nagabiiteiru | 長引いています nagabiiteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 長引きたい nagabikitai | 長引きたいです nagabikitaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 長引こう nagabikou | 長引きましょう nagabikimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 長引ける nagabikeru | 長引けます nagabikemasu | “can ~”. What you could do; the object often takes が. |
| Passive | 長引かれる nagabikareru | 長引かれます nagabikaremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 長引かせる nagabikaseru | 長引かせます nagabikasemasu | Make or let someone do it. |
| Causative-passive | 長引かされる nagabikasareru | 長引かされます nagabikasaremasu | Be made to do it — the long one. |
| Imperative | 長引け nagabike | 長引いてください nagabiitekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 長引くな nagabikuna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 長引けば nagabikeba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 長引いたら nagabiitara | — | “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.