公衆 こうしゅう電線 でんせん もうじゃありませんでした
kōshūdensemmōja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 公衆電線網

1. Was not a public telephone network.; Was not on the public telephone line.

Past/Perfective
Negative
Polite
Terminal Form
Computing