一般 いっぱん幕僚 ばくりょうではありませんでした
ippamba kuryōdewa arimasendeshita

Noun
Desu Copula

The polite, past negative form of 一般幕僚

1. Was not a general staff member.; Was not an ordinary staff member.

Past/Perfective
Negative
Polite
Formal Register