通信 つうしん研究 けんきゅう しょじゃありませんでした
tsūshinkenkyūshojārimasendeshita

Noun
Desu Copula

The polite, past negative form of 通信研究所

1. Was not a communications research institute.; Was not a research fellow.

Past/Perfective
Negative
Polite
Terminal Form