きゅう石器 せっき時代 じだいじゃありませんでした
akyūsekkijidaijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 亜旧石器時代

1. Was not the Paleolithic.; Was not an Old Stone Age.

Past/Perfective
Negative
Polite
Terminal Form