あげはちょうでわありませんでした
揚羽蝶ではありませんでした
agehachōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of あげはちょう

1. Was not a butterfly.; Was not raising feathers.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana