蝦夷 えぞ法螺 ぼらではありませんでした
ezo boradewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 蝦夷法螺

1. Was not an Ezo conch shell.; Was not a Hokkaido conch shell.

Past/Perfective
Negative
Polite
Formal Register