In the first movie of Lord of the Rings there is a scene Gandalf the Grey fought against the red beast on the tunnel or something like a small bridge and he said you shell not pass. Is this sentence meaning the same meanas you can not pass. If it is, why would not he say cannot instead shell not..
I think the 'shall' is used to mean 'must', an order, an imperative.
not a teacher
thanks a lot for your helpful explanations