だい日本 にっぽん帝国 ていこく陸軍 りくぐんじゃなかったです
dainipponteikokuri kugunjanakattadesu

Noun
Desu Copula

The polite, past negative form of 大日本帝国陸軍

1. Was not the Imperial Japanese Army.; Wasn't in the Imperial Japanese Army.

Past/Perfective
Negative
Polite
Casual Register