蒙古 もうこ野馬 やばじゃありませんでした
mōkoyaba ja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 蒙古野馬

1. Was not a Mongolian wild horse.; Wasn't a Mongolian wild horse.

Past/Perfective
Negative
Polite
Terminal Form