覆面 ふくめん強盗 ごうとうではありませんでした
fukumen gōtōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 覆面強盗

1. Was not a masked robber.; Was not disguised as a robber.

Past/Perfective
Negative
Polite
Formal Register