沖縄 おきなわ山芋 やまいもではありませんでした
okinawayamaimodewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 沖縄山芋

1. Was not Okinawan yam.; Was not a yam from Okinawa.

Past/Perfective
Negative
Polite
Formal Register