いととんぼじゃなかったです
糸とんぼじゃなかったです
itotombojanakattadesu

Noun
Desu Copula

The polite, past negative form of いととんぼ

1. Wasn't a dragonfly.; Wasn't thread/string.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana