だい本営 ほんえう発表 はっぴょうじゃなかったです
daihon'euhappyōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 大本営発表

1. It wasn't announced by headquarters.; It wasn't a headquarters announcement.

Past/Perfective
Negative
Polite
Casual Register