鞭毛 べんもう むし るいじゃありませんでした
bemmō mushiruija arimasendeshita

Noun
Desu Copula

The polite, past negative form of 鞭毛虫類

1. Was not a flagellate.; Was not a member of the flagellates.

Past/Perfective
Negative
Polite
Terminal Form