I shall have helped you.
You will have been helped by me.
The Tiger will have broken the cage.
The cage will have been broken by the tiger.
She will not have sung a song.
A song will not have been sung by her.
Will you have not seen this motivational movie?
Will this motivational movie have not been seen by you?
How will you have prepared this cake?
How will this cake have been prepared by you?