手掛ける (tegakeru) conjugation
to handle, to manage, to work with
手掛ける (てがける, tegakeru) 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 | 手掛ける tegakeru | 手掛けます tegakemasu | The form you look up. Also the casual present and future. |
| Plain negative | 手掛けない tegakenai | 手掛けません tegakemasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 手掛けた tegaketa | 手掛けました tegakemashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 手掛けなかった tegakenakatta | 手掛けませんでした tegakemasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 手掛けて tegakete | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 手掛けている tegaketeiru | 手掛けています tegaketeimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 手掛けたい tegaketai | 手掛けたいです tegaketaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 手掛けよう tegakeyou | 手掛けましょう tegakemashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 手掛けられる tegakerareru | 手掛けられます tegakeraremasu | “can ~”. What you could do; the object often takes が. |
| Passive | 手掛けられる tegakerareru | 手掛けられます tegakeraremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 手掛けさせる tegakesaseru | 手掛けさせます tegakesasemasu | Make or let someone do it. |
| Causative-passive | 手掛けさせられる tegakesaserareru | 手掛けさせられます tegakesaseraremasu | Be made to do it — the long one. |
| Imperative | 手掛けろ tegakero | 手掛けてください tegaketekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 手掛けるな tegakeruna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 手掛ければ tegakereba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 手掛けたら tegaketara | — | “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.