持続 じぞく陰性 いんせい りつではありませんでした
ji zoku inseika ritsudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 持続陰性化率

1. Was not the sustained positivity rate.; Was not the rate of sustained negativity.

Past/Perfective
Negative
Polite
Formal Register