春秋 しゅんじゅう時代 じだいじゃなかったです
shunjūjidaijanakattadesu

Noun
Desu Copula

The polite, past negative form of 春秋時代

1. Was not the Spring and Autumn period.; It wasn't the Spring and Autumn period.

Past/Perfective
Negative
Polite
Casual Register