郵便 ゆうびん貯金 ちょきんではありませんでした
yūbinchokindewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 郵便貯金

1. Was not a postal savings account.; Was not a postal deposit.

Past/Perfective
Negative
Polite
Formal Register