かわらよもぎじゃありませんでした
河原蓬じゃありませんでした
kawarayomogijārimasendeshita

Noun
Desu Copula

The polite, past negative form of かわらよもぎ

1. It wasn't a riverbed pampas grass.; I wasn't a riverbed pampas grass.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana