合同 ごうどう庁舎 ちょうしゃではありませんでした
gōdōchōshadewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 合同庁舎

1. Was not a joint government building.; It was not a joint office.

Past/Perfective
Negative
Polite
Formal Register