Answer:
<em>1.Our reports were given by her to us.</em>
<em>2.The position was offered by him to John.</em>
<em>3.The painting will be given to Mr. Harris by them.</em>
<em>4.The file wasn't given by him to me.</em>
<em>5.The painting was showed by her to us</em><em>.</em>
<em>6.A bunch of flowers was offered by them to her.</em>
