えぞむささびでわありませんでした
蝦夷鼯鼠ではありませんでした
ezomusasabidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of えぞももんが

1. Was not a Japanese flying squirrel.; Was not an Ezo flying squirrel.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana