未開 みかい拓地 たくちじゃありませんでした
mikaitakuchijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 未開拓地

1. Was not undeveloped land.; Was not uncultivated land.; Was not unexplored territory.

Past/Perfective
Negative
Polite
Terminal Form