折居 おりい地鼠 じねずみではありませんでした
orii jinezumidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 折居地鼠

1. Was not a ground squirrel.; Was not residing/living as a ground squirrel.

Past/Perfective
Negative
Polite
Formal Register