旧口 きゅうこう動物 どうぶつじゃありませんでした
kyūkōdōbutsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 旧口動物

1. Was not an old-fashioned animal.; Was not a creature of the past.

Past/Perfective
Negative
Polite
Terminal Form