Question

Tom had whitewashed the fence change this sentence into passive voice​

Answer 1

The fence had been white washed by toh

Answer 2

Active voice descibes a sentence where the subject performs the action stated by the verb.

In Passive voice sentences, the subject is acted upon by the verb.

For example, the above sentence in the question is written in Active form of voice.

Tom had whitewashed the fence

By converting this Active form into passive form sentence we will have :

The fence had been whitewashed by Tom.