おうむかいじゃありませんでした
鸚鵡貝じゃありませんでした
ōmu kaija arimasendeshita

Noun
Desu Copula

The polite, past negative form of おうむがい

1. Was not a parrot.; Was not a shellfish.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana