じょう えん下方 かほう ぷんではありませんでした
jōenkahō pundewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 上円下方墳

1. It was not a round top/square bottom.; It wasn't a round-topped, square-bottomed shape.

Past/Perfective
Negative
Polite
Formal Register