もらってた

was receiving, used to receive

→ 貰う
もらっ receive, get + Te-form (conjunctive) + past progressive (was doing)
verb · pluperfect indicative Rare #34,357
was receiving, used to receive Casual form of もらっていた.
JA: 子どもの頃、毎年祖父母からお年玉をもらってた。
EN: When I was a child, I used to receive New Year's money from my grandparents every year.
Conjugation of 貰う
Indicative pluperfect
もらってた

宮部もらってたみたい

(Miyabe) seems to have received it.

— 万引き家族 (2018)

大事なものはずっと前にもう全部もらってたんだ

I had already received everything important a long time ago.

— すずめの戸締まり (2022)

自分のを奪った家族からお金もらってたわけだ

I mean, I was accepting money from the family that took my husband away.

— 万引き家族 (2018)