Japanese

あく
Meaning: to open (e.g. door); to become vacant; to be open (business)
Part of Speech: Verb

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Verb inflections

Form Affirmative Negative
Present 開く 開かない
Polite 開きます 開きません
Past 開いた 開かなかった
Polite + Past 開きました 開きませんでした
Te-form 開いて 開かなくて
Potential 開ける 開けない
Passive 開かれる 開かれない
Causative 開かせる 開かせない
Causative + Passive 開かされる 開かされない
Imperative 開け 開くな

Handwriting

開
く

Example sentences

The window opened quietly in the wind.
その店はもう開いている
That shop is already open.
重い扉がゆっくりと開いた。
The heavy door opened slowly.
この店は午後八時に閉まりますが、隣のコンビニは二十四時間開いています。
This shop closes at 8:00 p.m., but the convenience store next door is open 24 hours.
この扉は人が近づくと自動的に開きます。
This door opens automatically when a person approaches.
レバーを上に押し上げると、扉が開く。
When you push the lever up, the door opens.
王城の門が開いた。
The gates of the imperial castle opened.
どういうわけか、ドアが開かなかった。
For some reason, the door wouldn't open.
夜明けとともに城門がゆっくりと開いた。
At dawn, the castle gate slowly opened.
近づくと自動ドアが開いた。
The automatic door opened as I approached.

Usage Notes

Used when something that was closed (like a door, window, or container) opens. It can also mean a shop starting its business hours or a seat becoming available.

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