すけむねだらじゃなかったです
助宗鱈じゃなかったです
suke munedarajanakattadesu

Noun
Desu Copula

The polite, past negative form of すけそうだら

1. Wasn't helping.; Wasn't assisting.; Wasn't supporting.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana