居間 いま けん食堂 しょくどうではありませんでした
ima kenshokudōdewa arimasendeshita

Noun
Desu Copula

The polite, past negative form of 居間兼食堂

1. Was not a living/dining room.; Was not a living room combined with a dining room.

Past/Perfective
Negative
Polite
Formal Register