ふつふつじゃありませんでした
沸々じゃありませんでした
futsufutsujārimasendeshita

Desu Copula

The polite, past negative form of ふつふつ

1. Was not bubbling.; Was not seething.; Was not agitated.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana