1. Have you done it yet?
2. You’ve done it already?

I just wondered, depending on the context, can "You’ve done it already?" also mean you don't know if a person has completed a task yet..?

Question

1. Have you done it yet?
2. You’ve done it already?

I just wondered, depending on the context, can "You’ve done it already?" also mean you don't know if a person has completed a task yet..?

Answer

Yes they can mean near enough the same thing sometimes.

But the first phrase is more like you expect it to be done soon -- it might be followed by "Well, hurry up then!".

And the second phrase is more like you're shocked that it's done so soon -- it might be followed by "Wow! That was quick!"

Answer

#2 is a rhetorical question. The person has seen the completed task, and expresses surprise at it's (presumably) early completion. This question does not need an answer.

#1 is a question seeking confirmation and the person asking does not know whether it is done or not.