ひげむしじゃありませんでした
鬚虫じゃありませんでした
hige mushija arimasendeshita

Noun
Desu Copula

The polite, past negative form of ひげむし

1. Was not a silkworm.; Was not a larva.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana