1. People balive that 13 is an unlucky number.
→ 13 is believed to be an unlucky number
2.They know that English is an international language.
→ English is known to be an international language.
3. I have heard her sing this song several times.
→ This song has been heard to sing several times by her
4. People saw him steal your car.
→ He was seen to steal your car
5. They say that John is the brightest student in class.
→ It's said that John is the brightest student in class.
6. Open your book.
→ Your book is opened
7. She asvised me to sell that house.
→ I was asvised to sell that house by her
9. They think that he has died a natural death....
→ It's thought that he has died a natural death.
10. He won't let you do that silly thing again.
→ You won't be let to do that silly thing again
11. He orders us to clean the floor.
→ We are ordered to clean the floor by him
12. You must see it to belive it.
→ It must be seen to belive it
13. People belive that the earth stood still.
→ It's belived that the earth stood still.
14.People son't make the children work hard.
→ The children aren't made to work hard
15. Don't do that silly thing again.
→ That silly thing isn't done again
16. They begged us to help him.
→ We are begged to help him by them
~Học tốt:33~