鉄道 てつどう公安 こうあん職員 しょくいんじゃなかったです
tetsudōkōanshokuinjanakattadesu

Noun
Desu Copula

The polite, past negative form of 鉄道公安職員

1. Was not a railway public safety officer.; Wasn't a railway police officer.

Past/Perfective
Negative
Polite
Casual Register