住宅 じゅうたくローン担保 たんぽ証券 しょうけんじゃなかったです
jūtakurōntamposhōkenjanakattadesu

Noun
Desu Copula

The polite, past negative form of 住宅ローン担保証券

1. Wasn't a housing loan-backed security.; Wasn't a mortgage-backed security.

Past/Perfective
Negative
Polite
Casual Register