遠洋 えんよう漁業 ぎょぎょうではありませんでした
en'yōgyogyōdewa arimasendeshita

Noun
Desu Copula

The polite, past negative form of 遠洋漁業

1. Was not distant-water fishing.; Was not offshore fishing.

Past/Perfective
Negative
Polite
Formal Register