えぞむささびじゃなかった
蝦夷鼯鼠じゃなかった
ezomusasabijanakatta

Noun
Da Copula

The past negative form of えぞももんが

1. Wasn't a flying squirrel.; Wasn't an Ezo flying squirrel.

Past/Perfective
Negative
Usually Written in Kana