ちょじゃありませんでした
楮じゃありませんでした
chojārimasendeshita

Noun
Desu Copula

The polite, past negative form of こうぞ

1. Was not paper.; Was not mulberry paper.; Was not (it/he/she).

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana