沖縄 おきなわ返還 へんかん協定 きょうていじゃなかったです
okinawahenkankyōteijanakattadesu

Noun
Desu Copula

The polite, past negative form of 沖縄返還協定

1. Wasn't the Okinawa Reversion Treaty.; Wasn't the agreement on the return of Okinawa.

Past/Perfective
Negative
Polite
Casual Register