国民 こくみん そう 番号 ばんごう せいじゃなかったです
kokumin sōse ban gōseijanakattadesu

Noun
Desu Copula

The polite, past negative form of 国民総背番号制

1. It wasn't a national identification system.; It wasn't a system of national identification numbers.

Past/Perfective
Negative
Polite
Casual Register