さるぼうかいじゃありませんでした
猿頬貝じゃありませんでした
saru bō kaija arimasendeshita

Noun
Desu Copula

The polite, past negative form of さるぼうがい

1. Was not a monkey cheek clam.; Was not a sarubo shell.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana