ちょうせんはまぐりじゃなかった
朝鮮蛤じゃなかった
chōsenhamagurijanakatta

Noun
Da Copula

The past negative form of ちょうせんはまぐり

1. Wasn't clam; ; Wasn't Korean clam

Past/Perfective
Negative
Usually Written in Kana