有機 ゆうき水銀 すいぎん中毒 ちゅうどくじゃありませんでした
yūkisuiginchūdokujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 有機水銀中毒

1. Was not organic mercury poisoning.; Did not have organic mercury poisoning.

Past/Perfective
Negative
Polite
Terminal Form