かわとんぼじゃなかったです
川蜻蛉じゃなかったです
kawatombojanakattadesu

Noun
Desu Copula

The polite, past negative form of かわとんぼ

1. Was not a river dragonfly.; Wasn't a river damselfly.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana