ばあえぼしかいじゃありませんでした
姥烏帽子貝じゃありませんでした
bā eboshi kaija arimasendeshita

Noun
Desu Copula

The polite, past negative form of おばえぼしがい

1. Was not an oranda (goldfish).; Was not a shellfish.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana