青空 あおぞら教室 きょうしつじゃありませんでした
aozorakyōshitsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 青空教室

1. It wasn't the blue sky classroom.; It wasn't a class in the open air.

Past/Perfective
Negative
Polite
Terminal Form