がこうそうきんじゃなかった
鵞口瘡菌じゃなかった
gakōsōkinjanakatta

Noun
Da Copula

The past negative form of がこうそうきん

1. Wasn't canker sore.; Wasn't caused by *Candida albicans*.

Past/Perfective
Negative
Usually Written in Kana