宇宙 うちゅう遊泳 ゆうえうじゃなかったです
uchūyūe uja nakattadesu

Noun
Desu Copula

The polite, past negative form of 宇宙遊泳

1. Wasn't space swimming.; Didn't do space swimming.

Past/Perfective
Negative
Polite
Casual Register