まがきかいじゃありませんでした
籬貝じゃありませんでした
maga kikaijārimasendeshita

Noun
Desu Copula

The polite, past negative form of まがきがい

1. It was not a fence.; It wasn't a hedge.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana