I did some exercises, but I am not sure about my answers<br/><br/>1)They saw him hand over the money.<br/><br/>He was seen handing over the money .("by them" can be omitted right?}<br/><br/>2)They heard him whisper the answer.<br/><br/>He was heard whispering the answer.<br/><br/>3)They felt she was the best person for the job.<br/><br/>She was seen as the best person for the job.