ちょうばえじゃありませんでした
蝶蝿じゃありませんでした
cho ubaeja arimasendeshita

Noun
Desu Copula

The polite, past negative form of ちょうばえ

1. Was not a butterfly.; Was not a fly.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana