Question

i will have been repaired by him before evening change the voice ​

Answer 1

Answer:

he will have prepared me before evening

Answer 2

Uhhh, I guess there's an error in your question xD

Did you mean, I will have been prepared by him before evening?

'Cause you cannot be repaired by him, it doesn't make sense ;-; xD xD

Okay, So coming to the Question,

Correct Question : I will have been prepared by him before evening.

- Before evening, he will prepare me.

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Additional Information :

In active voice the format is like :

⟹ Subject - Verb - Object.

When a sentence is turned to passive voice the formal will be like :

⟹ Object - Verb - Subject.

We observe that the place of the object and the subject is interchanged in the above format when a sentence is turned to passive voice.

Note : Verb should be changed to 3rd form.