くろあげはじゃなかったです
黒揚羽じゃなかったです
kuroagehajanakattadesu

Noun
Desu Copula

The polite, past negative form of くろあげは

1. Wasn't black wings.; Wasn't a black crow.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana