いわだぬきじゃなかったです
岩狸じゃなかったです
iwadanukijanakattadesu

Noun
Desu Copula

The polite, past negative form of いわだぬき

1. Was not a rock badger.; Wasn't a rock badger.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana