こくぞうむしでわありませんでした
穀象虫ではありませんでした
kokuzōmushidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of こくぞうむし

1. Was not a grain weevil.; Was not an elephant weevil.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana