洗濯 せんたく石鹸 せっけんではありませんでした
sentakusekkendewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 洗濯石鹸

1. Was not laundry soap.; Was not a laundry detergent.

Past/Perfective
Negative
Polite
Formal Register