紅嘴 べにはし からすではありませんでした
beniwa shikarasudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 紅嘴烏

1. Was not a red-billed black bird.; Was not a red-billed crow.

Past/Perfective
Negative
Polite
Formal Register