屋上 おくじょう緑化 りょっかではありませんでした
okujōryokkadewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 屋上緑化

1. Was not rooftop greening.; It was not rooftop greening.

Past/Perfective
Negative
Polite
Formal Register