定時 ていじ せい高校 こうこうではありませんでした
teiji sei kōkōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 定時制高校

1. Was not a part-time high school.; Was not a correspondence high school.

Past/Perfective
Negative
Polite
Formal Register