天幕 てんまく製造 せいぞう にんじゃありませんでした
temmakuseizōni nja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 天幕製造人

1. Was not a sky-screen manufacturer.; Was not a creator of sky screens.

Past/Perfective
Negative
Polite
Terminal Form