あれちねずみでわありませんでした
荒地鼠ではありませんでした
arechinezumidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of あれちねずみ

1. Was not a field vole.; Was not a vole of the fields.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana