みやまかわとんぼじゃなかったです
深山川蜻蛉じゃなかったです
miyamakawa tombojanakattadesu

Noun
Desu Copula

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

1. Wasn't a mountain river dragonfly.; Wasn't a dragonfly of the deep mountains and rivers.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana