住宅 じゅうたく産業 さんぎょうじゃなかったです
jūtakusangyōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 住宅産業

1. Was not in the housing industry.; Wasn't a housing-related business.

Past/Perfective
Negative
Polite
Casual Register