漁業 ぎょぎょう監視 かんし せんじゃなかったです
gyogyōkanshisenjanakattadesu

Noun
Desu Copula

The polite, past negative form of 漁業監視船

1. Was not a fisheries patrol vessel.; Wasn't a fisheries monitoring ship.

Past/Perfective
Negative
Polite
Casual Register