godan verb (v5k, vi, vt) · N5
開くaku
to open
- to undo
- to unseal
- to unpack
Remember it
あく / aku sounds like "ah, coo!" Picture a tiny bird cooing so sweetly that a curtain or door pops open. When you hear aku, think: ah, coo - it opens.
Forms
Non-past affirmative | Past affirmative | Non-past negative | Past negative | |
|---|---|---|---|---|
Informal plain form | 開く | 開いた | 開かない | 開かなかった |
Formal -masu base | 開きます | 開きました | 開きません | 開きませんでした |
te-form
開いて
connector — “… and then”
Godan verb — the final kana shifts depending on the form.
Learning status
learning
Recognition2 / 5
Recall2 / 5
Reading2 / 5