鉄道 てつどう公安 こうあん かんではありませんでした
tetsudōkōan kandewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 鉄道公安官

1. Was not a railway police officer.; Was not a railroad security officer.

Past/Perfective
Negative
Polite
Formal Register