Question Detail Who wrote this book ? By whom is this book written ?By whom was this book written ?By who was this book written ?By whom were this book written ? Answer: Option B Similar Questions : 1. My father loves me. I loved my father.I was loved by my father.I were loved by my father.I am loved by my father. Answer: Option D 2. Sahil spoke the lie. The lie was spoke by Sahil.The lie spoken by Sahil.Lie was spoken by Sahil.The lie was spoken by Sahil. Answer: Option D 3. He displeased Mr. Mathur. Mr. Mathur was displeased on him.Mr. Mathur was displeased for him.Mr. Mathur was displeased at him.Mr. Mathur was displeased with him. Answer: Option D 4. He go to school. School is went by him.School was gone by him.School is gone by him.School are gone by him.School is goes by him. Answer: Option C 5. I must help him. He must helped by me.I must held him.He must get help from me.He must be helped by me. Answer: Option DExplanation:If we have "Subject + Modal Auxiliary verb + first verb + object" then we change it to Passive subject + Modal Auxiliary verb + be + third form + by + passive object. Modal Auxiliary verb are : can, could, shall, will, may, might, should, would, must, ought to etc. Read more from - Change Of Voice Questions Answers