Answer:
1.The guest will be served by Mr Owen hinself.
2.The first prize in the contest is won by John.
3.Many foreign workers are being employed by the company.
4.The house was burgled twice by them.
5.The housework was done by the maid.
Explanation:
In a clause with passive voice, the grammatical subject expresses the theme or patient of the main verb – that is, the person or thing that undergoes the action or has its state changed.
