あみめかげろうじゃなかったです
網目蜉蝣じゃなかったです
amimekagerōjanakattadesu

Noun
Desu Copula

The polite, past negative form of あみめかげろう

1. Wasn't a mayfly.; Wasn't mesh-like.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana