ふゆうでわありませんでした
蜉蝣ではありませんでした
fuyūdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of かげろう

1. Was not a mayfly.; Was not an ephemeral thing.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana