横紙 よこがみ やぶりではありませんでした
yokogamiyaburidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 横紙破り

1. Was not a blank sheet of paper.; Was not reckless.; Was not done without consideration.

Past/Perfective
Negative
Polite
Formal Register