In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Passive/Active voice.
Have you finished the task?
1). Has fin ishing of the task been done by yourself?
2). Has the task been finished by you?
3). Have the task been finished by you ?
4). Had the task been finished by yourse lf?