みやまかわとんぼでわありませんでした
深山川蜻蛉ではありませんでした
miyamakawa tombodewārimasendeshita

Noun
Desu Copula

The polite, past negative form of みやまがわとんぼ

1. Was not a mountain stream dragonfly.; Was not a deep mountain river dragonfly.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana