) We must pay the bill at once.
à The bill must be paid at once.
2) Many people in the world speak English.
à English is spoken in the world by many people.
3) This question is difficult to understand
à It’s such a difficult question to understand.
4) I will repair your bicycle tomorrow afternoon.
à Your bicycle will be repaired tomorrow afternoon.
5) “Don’t throw things away,” Miss Linda said to the students.
à Miss Linda asked the students not to throw things away.
6) Penicillin can cure many dangerous diseases.
à Many dangerous diseases can be cured by Penicillin.
7) Does your country export rice to Britain?
à Is rice exported to Britain by your country ?
8) Clement clarke moore wrote the poem in 1823.
à The poem was written by Clement clarke moore in 1823.