文書 ぶんしょ体系 たいけいクラスじゃありませんでした
bunshotaikeikurasujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 文書体系クラス

1. Was not a document system class.; Was not part of the document system class.

Past/Perfective
Negative
Polite
Terminal Form
Computing