視聴覚 しちょうかく教室 きょうしつじゃありませんでした
shichōkakukyōshitsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 視聴覚教室

1. Was not an audiovisual room.; Was not a viewing/listening room.

Past/Perfective
Negative
Polite
Terminal Form