ない蒙古 もうこ自治 じち ではありませんでした
naimo ukoji chikudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 内蒙古自治区

1. Was not in Inner Mongolia Autonomous Region.; Was not from the Inner Mongolia Autonomous Region.

Past/Perfective
Negative
Polite
Formal Register