知識 ちしき基盤 きばん社会 しゃかいじゃなかったです
chishikikibanshakaijanakattadesu

Noun
Desu Copula

The polite, past negative form of 知識基盤社会

1. Wasn't a knowledge-based society.; Didn't use to be a knowledge-based society.

Past/Perfective
Negative
Polite
Casual Register