じゅう盲検 もうけん試験 しけんじゃありませんでした
nijūmōkenshikenjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 二重盲検試験

1. Was not a double-blind trial.; Was not a double-blind test.

Past/Perfective
Negative
Polite
Terminal Form