平面 へいめん駐車 ちゅうしゃ じょうではありませんでした
heimen chū shajōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 平面駐車場

1. It was not a flat parking lot.; It wasn't a surface parking lot.

Past/Perfective
Negative
Polite
Formal Register