慢性 まんせい中毒 ちゅうどくではありませんでした
manseichūdokudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 慢性中毒

1. Was not chronic poisoning.; Was not chronically poisoned.

Past/Perfective
Negative
Polite
Formal Register