Question

who would have built these temple. change in passive voice​

Answer 1

The sentence can be changed into passive voice as follows:

This temple would have been built by whom?

How to change the voice of a sentence?

• While converting an active voice sentence to a passive voice sentence, the subject of the active voice becomes the object of the passive voice. The object of the active voice becomes the subject of the passive voice.
• The main form of the verb is changed into the past participle.
• The verb form of 'to be' will be similar to the tense on the active voice sentence.

Answer 2

This temple would have been built by whom?