Question

change the voice ---He killed himself. ​

Answer 1

He was killed by himself.

Explanation:

• There are two types of voice in the English language i.e. active and passive voice.

• When you change the object of a verb into the subject of the sentence a passive sentence is made.  

• An active voice is when the subject in a sentence is more active and it does not need the support of the verb or object.

Answer 2

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He was killed by himself.