亀甲きっこう獣骨じゅうこつ文字もじじゃありませんでした
kikkōjūko tsumojija arimasendeshita

Noun
Desu Copula

The polite, past negative form of 亀甲獣骨文字

1. Was not a turtle shell inscription.; Was not a bone inscription.

Past/Perfective
Negative
Polite
Terminal Form