紅茶 こうちゃキノコじゃありませんでした
kōchakinokojārimasendeshita

Noun
Desu Copula

The polite, past negative form of 紅茶キノコ

1. It was not a mushroom tea.; It wasn't a red tea mushroom.

Past/Perfective
Negative
Polite
Terminal Form