漁業 ぎょぎょう専管 せんかん水域 すいいきではありませんでした
gyogyōsenkansuiikidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 漁業専管水域

1. Was not a specially managed fishing area.; Was not a dedicated fishing zone.

Past/Perfective
Negative
Polite
Formal Register