在日ざいにち韓国かんこく朝鮮ちょうせんじんでした
zainichikankoku·chōsenjindeshita

Noun
Desu Copula

The polite past form of 在日韓国・朝鮮人

1. Was a Korean/Korean-Chinese person residing in Japan.; Was a Korean/Korean-Chinese person who lived in Japan.

Past/Perfective
Polite