貯穀 ちょこく害虫 がいちゅうじゃなかったです
chokokugaichūjanakattadesu

Noun
Desu Copula

The polite, past negative form of 貯穀害虫

1. Wasn't a grain pest.; Wasn't a stored-grain pest.

Past/Perfective
Negative
Polite
Casual Register