経済 けいざい研究 けんきゅう しょじゃありませんでした
keizaikenkyūshojārimasendeshita

Noun
Desu Copula

The polite, past negative form of 経済研究所

1. Was not an economic research institute.; Was not a research institute of economics.

Past/Perfective
Negative
Polite
Terminal Form