営団 えうだん地下 ちか てつではありませんでした
eudan chikatetsudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 営団地下鉄

1. Was not the Teito Rapid Transit Authority.; Was not the Tokyo Metro.

Past/Perfective
Negative
Polite
Formal Register