うしあぶじゃありませんでした
牛虻じゃありませんでした
ushiabujārimasendeshita

Noun
Desu Copula

The polite, past negative form of うしあぶ

1. It was not a horsefly.; I was not a horsefly.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana