ぜん消去 しょうきょ機能 きのうじゃありませんでした
zenshōkyokino uja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 全消去機能

1. Was not a complete deletion function.; Was not capable of complete deletion.

Past/Perfective
Negative
Polite
Terminal Form
Computing