がしゃどくろじゃありませんでした
がしゃ髑髏じゃありませんでした
gasha dokurojārimasendeshita

Noun
Desu Copula

The polite, past negative form of がしゃどくろ

1. Was not a grinning skull.; Was not a ghoul.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana