琉球りゅうきゅう列島れっとうではありませんでした
ryūkyū rettōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 琉球列島

1. Was not the Ryukyu Islands.; Was not the Ryukyu archipelago.

Past/Perfective
Negative
Polite
Formal Register