べにこうじじゃなかったです
紅麹じゃなかったです
benikōjijanakattadesu

Noun
Desu Copula

The polite, past negative form of べにこうじ

1. It wasn't red koji.; It hadn't been red koji.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana