高級 こうきゅう将校 しょうこうじゃありませんでした
kōkyū shō kōja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 高級将校

1. Was not a high-ranking officer.; Was not an officer of high rank.

Past/Perfective
Negative
Polite
Terminal Form