Question Detail They had not done their tasks. Their tasks had not been done.Their tasks had been not done.Their tasks have not been done.Their tasks have been not done. Answer: Option A Similar Questions : 1. Let us sing. It is suggested, we should sing.It is suggested to sing.It is suggested that we could sing.It is suggested that we should sing. Answer: Option D 2. Who wrote this noble ? By whom has been this noble written ?By whom had this noble written ?By whom was this noble written ?By whom this noble was written ? Answer: Option C 3. Savita does not like me. I am not like by Savita.I am not liked by Savita.I was not liked by Savita.I were not liked by Savita. Answer: Option B 4. You see that birds. That bird are seen by you.That bird is seen by you.That bird was seen by you.That bird is seen you.That birds is seen by you. Answer: Option B 5. Shut the door. Let the door be shut.Let the door is shut.Let the door was shut.Let the door are shut.Let the door be shut. Answer: Option E Read more from - Change Of Voice Questions Answers