英语主动句如何改为被动句?

where is the story translated by him?
Our TV set required repairing.
Are the sick taken good care by they?
Some jewels are found in the box by us.
The workers have been paid very handsome wages by the company.

where did the story be translated by him?
Our TV set had to be repaired.
Do the sick be taken good care of by them?
Some jewels is found in a box by us.
The workers are paid very handsome wages by the company

where did the story was translated by he?
Our TV set was repaired by us.
Is the sick taken good care of by them?
Jewels were found in a box by us.
Very handsome wages have been paid for the workers by the company.