上層 じょうそう方言 ほうげんではありませんでした
jōsōhōgendewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 上層方言

1. It was not upper-class dialect.; It wasn't high-register speech.

Past/Perfective
Negative
Polite
Formal Register
Linguistics