紅糸 こうし蜻蛉 かげろうではありませんでした
kōshikagerōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 紅糸蜻蛉

1. Was not a red dragonfly.; Was not a crimson pavillion.

Past/Perfective
Negative
Polite
Formal Register