きくいむしじゃありませんでした
木食い虫じゃありませんでした
kikuimushija arimasendeshita

Noun
Desu Copula

The polite, past negative form of きくいむし

1. Was not a woodworm.; Was not a bookworm.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana