蝦夷 えぞ栗鼠 りすではありませんでした
ezorisudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 蝦夷栗鼠

1. Was not a Hokkaido chipmunk.; Was not an Ezo chipmunk.

Past/Perfective
Negative
Polite
Formal Register