Question

Active voice and passive voice with who where what when

Answer 1

Where had he taken Priya? (Active Voice)
Where Priya had been taken by him? (Passive Voice)
When are you giving her the key? (Active Voice)
When the key is being given to her by you? (Passive Voice)
Who wrote this letter? (Active Voice)
By whom this letter was written? (Passive Voice)
What is known about the subject? (we)
What do we know about the subject?