そもそもじゃなかったです
抑じゃなかったです
somosomojanakattadesu

Noun
Desu Copula
no-Adjective
Conjunction

The polite, past negative form of そもそも

1. Wasn't; Didn't use to be

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana