Question

Active to passive voice
I found him sleeping

Answer 1

He was found sleeping ....
Hope it helps.....

Answer 2

Before beginning let us first know what are active and passive voices:

Active voice - A type sentence where in the subject of the sentence precede the object of the sentence.

Passive voice - A type of sentence wherein the object of the sentence precede the subject of the sentence.

Given sentence:

I found him sleeping.

Passive voice of the given sentence:

He was found sleeping by me.