生命 せいめい保険 ほけん証書 しょうしょじゃありませんでした
seimeihokenshōshojārimasendeshita

Noun
Desu Copula

The polite, past negative form of 生命保険証書

1. Was not a life insurance certificate.; It wasn't a life insurance certificate.

Past/Perfective
Negative
Polite
Terminal Form