清和 せいわ政策 せいさく研究 けんきゅう かいじゃありませんでした
seiwa seisakukenkyū kaija arimasendeshita

Noun
Desu Copula

The polite, past negative form of 清和政策研究会

1. Was not the Seiwakeisaku Kenkyūkai.; Was not a member of the Seiwakeisaku Kenkyūkai.

Past/Perfective
Negative
Polite
Terminal Form