信書 しんしょ開封 かいふう ざいじゃありませんでした
shinshokaifūzaijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 信書開封罪

1. It wasn't opening someone else's mail.; It wasn't a crime to open the letter.

Past/Perfective
Negative
Polite
Terminal Form
Law