ねむしじゃありませんでした
根喰葉虫じゃありませんでした
nemushijārimasendeshita

Noun
Desu Copula

The polite, past negative form of ねくいはむし

1. Was not a root-eating insect.; Was not a plant-eating worm.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana