Question

change into passive voice
He should not have slashed the picture with a knife ​

Answer 1

Answer:

The picture should not have been slashed with a knife by him.

hope its right

Answer 2

Answer:

The picture should not have been slashed with a knife by him

Explanation:

we need to follow these rules while changing to passive voice

~subject becomes object and object becomes subject

~perfect changes into perfect continuous

hope the answer helps