重要 じゅうよう文化 ぶんか ざいじゃなかったです
jūyō bunkazaijanakattadesu

Noun
Desu Copula

The polite, past negative form of 重要文化財

1. Was not an important cultural property.; Wasn't an important cultural asset.

Past/Perfective
Negative
Polite
Casual Register