社会 しゃかい保険 ほけん ちょうじゃありませんでした
shakaihokenchōja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 社会保険庁

1. Was not the Social Insurance Agency.; Was not a member of the Social Insurance Agency.

Past/Perfective
Negative
Polite
Terminal Form