下水 げすい処理 しょり施設 しせつじゃありませんでした
gesuishorishisetsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 下水処理施設

1. It was not a sewage treatment plant.; It wasn't a sewage treatment facility.

Past/Perfective
Negative
Polite
Terminal Form