年賀 ねんが郵便 ゆうびんではありませんでした
nengayūbindewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 年賀郵便

1. It was not a New Year's card.; It wasn't a New Year's postal card.

Past/Perfective
Negative
Polite
Formal Register