子供 こども部屋 へや 使用 しようおばさんじゃなかったです
kodomoe yamishiyō obasanjanakattadesu

Noun
Desu Copula

The polite, past negative form of 子供部屋未使用おばさん

1. Wasn't a child's room-unused aunt.; Wasn't an aunt who hadn't used the children's room.

Past/Perfective
Negative
Polite
Casual Register