気を付ける (kiwotsukeru) conjugation
to be careful, to pay attention, to take care
気を付ける (きをつける, kiwotsukeru) 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 | 気を付ける kiwotsukeru | 気を付けます kiwotsukemasu | The form you look up. Also the casual present and future. |
| Plain negative | 気を付けない kiwotsukenai | 気を付けません kiwotsukemasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 気を付けた kiwotsuketa | 気を付けました kiwotsukemashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 気を付けなかった kiwotsukenakatta | 気を付けませんでした kiwotsukemasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 気を付けて kiwotsukete | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 気を付けている kiwotsuketeiru | 気を付けています kiwotsuketeimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 気を付けたい kiwotsuketai | 気を付けたいです kiwotsuketaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 気を付けよう kiwotsukeyou | 気を付けましょう kiwotsukemashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 気を付けられる kiwotsukerareru | 気を付けられます kiwotsukeraremasu | “can ~”. What you could do; the object often takes が. |
| Passive | 気を付けられる kiwotsukerareru | 気を付けられます kiwotsukeraremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 気を付けさせる kiwotsukesaseru | 気を付けさせます kiwotsukesasemasu | Make or let someone do it. |
| Causative-passive | 気を付けさせられる kiwotsukesaserareru | 気を付けさせられます kiwotsukesaseraremasu | Be made to do it — the long one. |
| Imperative | 気を付けろ kiwotsukero | 気を付けてください kiwotsuketekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 気を付けるな kiwotsukeruna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 気を付ければ kiwotsukereba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 気を付けたら kiwotsuketara | — | “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.