Question

Will you have sold the whole milk by them? change into passive voice​

Answer 1

Answer:

THE WHOLE MILK SHALL BE SOLD BY YOU.

Explanation:

Answer 2

The question is wrong.

I think that would be

'Will you have sold the whole milk to them?'

And the answer is

First of all make it affirmative-

The whole milk had sold by you to them.

Then make it interrogative-

Had the whole milk sold by you to them?