視聴覚 しちょうかく機器 ききじゃありませんでした
shichōkaku kikija arimasendeshita

Noun
Desu Copula

The polite, past negative form of 視聴覚機器

1. Was not audiovisual equipment.; Was not an audio-visual device.

Past/Perfective
Negative
Polite
Terminal Form