持続 じぞく陰性 いんせい りつじゃありませんでした
ji zoku inseika ritsujārimasendeshita

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 negatives.

Past/Perfective
Negative
Polite
Terminal Form