月掛 つきが貯金 ちょきんじゃなかったです
tsukigakechokinjanakattadesu

Noun
Desu Copula

The polite, past negative form of 月掛け貯金

1. Wasn't a monthly savings plan.; Wasn't a fixed monthly deposit.

Past/Perfective
Negative
Polite
Casual Register