かわげらじゃなかったです
川螻蛄じゃなかったです
kawagerajanakattadesu

Noun
Desu Copula

The polite, past negative form of かわげら

1. Was not a river mole cricket.; Wasn't a river mole cricket.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana