ひと つぼ運動 うんどうではありませんでした
hitotsu bōn dōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 一坪運動

1. It was not a one-tatami-mat exercise.; It wasn't a small-scale exercise.

Past/Perfective
Negative
Polite
Formal Register