ねむしでわありませんでした
根喰葉虫ではありませんでした
nemushidewārimasendeshita

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
Formal Register
Usually Written in Kana