おうぶくろむささびじゃありませんでした
大袋鼯鼠じゃありませんでした
ōbuku romusasabijārimasendeshita

Noun
Desu Copula

The polite, past negative form of おおふくろももんが

1. Was not a sugar glider.; Was not a large pouch.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana