हो गया था

had become; had happened

→ होना
phrase Rare #6,471
had become; had happened Marks a completed change or event that occurred before another past time. The exact English phrasing depends on context; it can also correspond to “had been” in passive sentences.
HI: काम पूरा हो गया था।
EN: The work had been completed.

मैं परेशान हो गया था।

I was fed up.

— बजरंगी भाईजान (2015)

पानी कल बंद हो गया था।

The water was shut off yesterday.

बाद में धमाके से पहले जमा हो गया था।

It had gathered before the explosion later.

— Black Friday (2004)

चोरी हो गया था ना?

It was stolen, wasn't it?

— 3 ईडियट (2009)