In Japanese, the verb 開ける (meaning "to to open (something)", JLPT N5) conjugates in the Past Negative Casual form as 開けなかった (akenakatta). Verb group: Group 2.
Context Example
ドアを開けなかった。
Doa o akenakatta.
I did not open the door.
What is the Past Negative Casual conjugation of 開ける (akeru)?
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