かみなり さん水銀 すいぎんじゃなかったです
kaminarisansuiginjanakattadesu

Noun
Desu Copula

The polite, past negative form of 雷酸水銀

1. Was not thundering acid mercury.; Was not a thundering, acidic mercury.

Past/Perfective
Negative
Polite
Casual Register