ほうずきかいじゃなかったです
酸漿貝じゃなかったです
hōzukikaijanakattadesu

Noun
Desu Copula

The polite, past negative form of ほおずきがい

1. Wasn't sour plum shellfish.; Wasn't a sour plum oyster.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana