こっぱみじんじゃありませんでした
木端微塵じゃありませんでした
koppamijinjārimasendeshita

Noun
Desu Copula

The polite, past negative form of こっぱみじん

1. Was not even a speck of dust.; Was not worth mentioning.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana