ヒメアマガエル ではありませんでした
himeamagaerukadewārimasendeshita

Noun
Desu Copula

The polite, past negative form of ヒメアマガエル科

1. Was not a member of the Himeamagaeru family.; Was not a tree frog.

Past/Perfective
Negative
Polite
Formal Register