動産 どうさん担保 たんぽ証券 しょうけんじゃありませんでした
fudōsantamposhōkenjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 不動産担保証券

1. Was not a real estate-backed security.; Was not a mortgage-backed security.

Past/Perfective
Negative
Polite
Terminal Form