べきかんむりでわありませんでした
冖冠ではありませんでした
beki kammuridewārimasendeshita

Noun
Desu Copula

The polite, past negative form of べきかんむり

1. Was not wearing a hat.; Did not have a hat on.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana