さん世帯 せたい住宅 じゅうたくではありませんでした
sansetaijūtakudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 3世帯住宅

1. Was not a three-generation household.; Was not a multi-generational home.

Past/Perfective
Negative
Polite
Formal Register