視聴覚 しちょうかく しつじゃありませんでした
shichōkakushitsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 視聴覚室

1. It was not an audiovisual room.; It wasn't an AV room.

Past/Perfective
Negative
Polite
Terminal Form