後期 こうき高齢 こうれい しゃ医療 いりょう制度 せいどじゃありませんでした
kō kikōreishairyōseidojārimasendeshita

Noun
Desu Copula

The polite, past negative form of 後期高齢者医療制度

1. Was not the late-stage elderly medical system.; Was not the system for elderly healthcare (for those over 75).

Past/Perfective
Negative
Polite
Terminal Form