Active voice → Passive voice
Will she surely have won a scholarship ?
Will you not have known this fact by then ?
Who will have helped you in this tough job ?
When will you have completed your homework ?
We shall have overcome all our difficulties.
We shall have made our beds by 10-00 p.m.
The shepherd will have driven the sheep into the pen.
Trees will have shed their leaves during Autumn.
Will the servant have owned his fault?
I shall not have corrected all my errors by then.
Answers
★ VOICE CHANGE :
1) Will she surely have won a scholarship?
➟ Will a scholarship have been surely won by her?
2) Will you not have known this fact by then?
➟ Will this fact have not been known by then to you?
3) Who will have helped you in this tough job?
➟ By whom will you have been helped in this tough job?
4) When will you have completed your homework?
➟ When will your homework have been completed by you?
5) We shall have overcome all our difficulties.
➟ All our difficulties shall have been overcome by us.
6) We shall have made our beds by 10-00 p.m.
➟ Our beds will have been made by 10-00 p.m by us.
7) The shepherd will have driven the sheep into the pen.
➟ The sheep will have been driven into the pen by the shepherd.
8) Trees will have shed their leaves during Autumn.
➟ Leaves will have been shed in Autumn by trees.
9) Will the servent have owned his fault?
➟ Will the fault have been owned by the servent?
10) I shall not have corrected all my errors by then.
➟ All my errors will have not been corrected till then by me.