建設 けんせつ労働 ろうどう しゃではありませんでした
kensetsurōdōshadewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 建設労働者

1. Was not a construction worker.; Was not a building worker.

Past/Perfective
Negative
Polite
Formal Register