締め切る (shimekiru) conjugation
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締め切る (しめきる, shimekiru) 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 | 締め切る shimekiru | 締め切ります shimekirimasu | The form you look up. Also the casual present and future. |
| Plain negative | 締め切らない shimekiranai | 締め切りません shimekirimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 締め切った shimekitta | 締め切りました shimekirimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 締め切らなかった shimekiranakatta | 締め切りませんでした shimekirimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 締め切って shimekitte | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 締め切っている shimekitteiru | 締め切っています shimekitteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 締め切りたい shimekiritai | 締め切りたいです shimekiritaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 締め切ろう shimekirou | 締め切りましょう shimekirimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 締め切れる shimekireru | 締め切れます shimekiremasu | “can ~”. What you could do; the object often takes が. |
| Passive | 締め切られる shimekirareru | 締め切られます shimekiraremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 締め切らせる shimekiraseru | 締め切らせます shimekirasemasu | Make or let someone do it. |
| Causative-passive | 締め切らされる shimekirasareru | 締め切らされます shimekirasaremasu | Be made to do it — the long one. |
| Imperative | 締め切れ shimekire | 締め切ってください shimekittekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 締め切るな shimekiruna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 締め切れば shimekireba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 締め切ったら shimekittara | — | “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.