前方 ぜんぽう 円墳 えんふんではありません
zempō goen fundewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 前方後円墳

1. It is not a keyhole-shaped burial mound.; It isn't a keyhole-shaped tomb.

Negative
Polite
Formal Register
Archeology