よしのぼりじゃありませんでした
葦登じゃありませんでした
yoshinoborijārimasendeshita

Noun
Desu Copula

The polite, past negative form of よしのぼり

1. Was not/were not reeds.; Was not a reed.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana