反省 はんせい材料 ざいりょうじゃありませんでした
hanseizairyōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 反省材料

1. It was not a reflection on the matter.; It wasn't self-criticism.; It wasn't a statement of remorse.

Past/Perfective
Negative
Polite
Terminal Form