1.Her office can't be used by Ann at the moment
2.My homework is had to finish by me now
3.Your task must be do by you
4.Poor women should be offered mor help by govemments
5.something must be done before it's too late
6.500$ may be earned a day by my uncle 
7.The fish might have been caught by him
8.The company will be sued for wage discrimination
9.The dress could have been washed by her