鉱山 こうざん労働 ろうどう しゃじゃありませんでした
kōzanrōdōshajārimasendeshita

Noun
Desu Copula

The polite, past negative form of 鉱山労働者

1. Was not a miner.; Was not a mine worker.

Past/Perfective
Negative
Polite
Terminal Form