空ける · ichidan verb
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 空ける | 空けない |
| Polite | 空けます | 空けません |
| Past polite | 空けました | 空けませんでした |
| Past | 空けた | 空けなかった |
| Te-form | 空けて | 空けないで |
| Desire | 空けたい | 空けたくない |
| Potential | 空けられるalso 空けれる | 空けられないalso 空けれない |
| Passive | 空けられる | 空けられない |
| Causative | 空けさせる | 空けさせない |
| Causative passive | 空けさせられる | 空けさせられない |
| Volitional | 空けよう | |
| Polite volitional | 空けましょう | |
| Imperative | 空けろ | 空けるな |
| Conditional | 空ければ | 空けなければ |
| Tara conditional | 空けたら | 空けなかったら |
ichidan verb, intransitive verb
become empty; become hollow
Describes something becoming physically empty or hollow inside. Often used for containers, spaces, or objects losing their contents or substance.
The contents of the box were gone, and the box became empty.
The tree trunk was eaten by insects and became hollow.
ichidan verb, intransitive verb
become vacant; become absent-minded; zone out
Used for a person's mental state: relaxing from tension into a blank, vacant, or spaced-out condition. Often implies a temporary lack of focus or presence.
After the exam ended and the tension faded, I felt like my mind went blank.
He was tired and zoned out during the meeting.
The inside of the tree became hollow and insects got into it.
I was so shocked that my mind went blank.