1. The dishes has=>have been washed.(dishes là số nhiều)
2. The letters are being opened every morning in the office.=>in the office every morning.(place+(by +O)+time)
3. Your homework must finished be=> be finished Monday.
4. The cars stole=>are stole from the car park.
5. The house is=>hás been decorated recently.
6. Mine has been=>has tell about the new job.
7. The woman seen taking=>has seen to talking the children to school.
8. The centre will visit=>be vísited by the King next month.