耐火 たいか建築 けんちく ものじゃなかったです
taikakenchikumonojanakattadesu

Noun
Desu Copula

The polite, past negative form of 耐火建築物

1. Wasn't a fire-resistant building.; Wasn't a fireproof structure.

Past/Perfective
Negative
Polite
Casual Register