宇宙 うちゅう開発 かいはつ事業 じぎょう だんではありませんでした
uchūkaihatsujigyōdandewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 宇宙開発事業団

1. Was not the Space Development Corporation.; Was not a member of the Space Development Corporation.

Past/Perfective
Negative
Polite
Formal Register