公共 こうきょう土木 どぼく事業 じぎょうじゃなかったです
kōkyōdobokujigyōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 公共土木事業

1. It wasn't public works.; It wasn't civil engineering.

Past/Perfective
Negative
Polite
Casual Register