こうじカビじゃありませんでした
麹カビじゃありませんでした
kōjikabijārimasendeshita

Noun
Desu Copula

The polite, past negative form of こうじかび

1. Was not koji mold.; Was not Aspergillus oryzae.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana