हुआ होगा

must have happened

→ होना
phrase Rare #9,175
must have happened Expresses a guess or inference about something in the past; depending on context, it can also mean “probably happened.”
HI: शायद कुछ हुआ होगा।
EN: Something must have happened.

कुछ तो हुआ होगा, लेकिन मुझे वह याद नहीं था।

Something must have happened, but I couldn’t remember what.

उसके साथ रास्ते पर कुछ हुआ होगा।

Something must have happened to him/her on the way.

देख के आ, पास हुआ होगा।

Go check; he must have passed.

— Dunki (2023)

हाँ, तो मर्डर उसके पहले हुआ होगा।

Yes, then the murder must have happened before that.

— Raat Akeli Hai (2020)

मुझे विश्वास है अच्छा ही हुआ होगा।

I’m sure it must have turned out well.

— Axone (2019)