Examples of using "небось" in a sentence and their english translations:
He must have left.
- You have got to be kidding.
- You've got to be kidding.
Morning! Sorry, did I keep you waiting?
You are certainly homesick.
- You've got to be kidding!
- You've gotta be kidding!
- You've got to be kidding.
He must have left.
"Gee, it sure is boring around here!" "You've got to be kidding." "Yes!" "Good."
Tom must be hungry.
I suppose you've already bought a ticket.
You must be from Australia.