茶翅 ちゃばねゴキブリじゃありませんでした
chabanegokiburijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 茶翅ゴキブリ

1. It was not a cockroach.; It wasn't a cockroach.

Past/Perfective
Negative
Polite
Terminal Form