五胡 ごこ じゅう ろく こくじゃありませんでした
gokojūroku kokuja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 五胡十六国

1. Was not one of the Five Barbarians and Sixteen Kingdoms.

Past/Perfective
Negative
Polite
Terminal Form