上層 じょうそう建築 けんちくじゃなかったです
jōsōkenchikujanakattadesu

Noun
Desu Copula

The polite, past negative form of 上層建築

1. It wasn't superstructure.; It wasn't the upper structure.; It wasn't the establishment.

Past/Perfective
Negative
Polite
Casual Register