電気 でんき給湯 きゅうとう じゃなかったです
denkikyū tōkijanakattadesu

Noun
Desu Copula

The polite, past negative form of 電気給湯器

1. Wasn't an electric water heater.; Was not an electric water heater.

Past/Perfective
Negative
Polite
Casual Register