it MUST be good,
it was built in Russia"?
The Big Bang Theory Season 5, Episode 23
You MUST be a perverse son of a bitch
to think that out!
Money Heist Season 3, Episode 2
This MUST be how parents feel
when their kid goes off to college.
The Big Bang Theory Season 10, Episode 4
Come on, there MUST be
something we've all seen.
The Big Bang Theory Season 12, Episode 13
You MUST be their strength.
Game of Thrones Season 2, Episode 1