1. Jean cloth was made completely from cotton in the 18th century.
2. Rice is grown in tropical countries.
3. Two department stores have been built this year.
4. The problem can be solved.
5. Life might be found on another planet.
6. A new bridge is going to be built in the area.
7. Has the car been repaired by your father?
8. Two department stores have been built this year.
9. His exercises were finished on time.
10. He couldn't be helped.
11. English is spoken everywhere.
12. Five million bottles of champagne will be produced in France next year.
13. Motorbikes mustn't be parked here.
14. Jeans are sold all over the world.
15. A cake is being made by my mother now.
16. Uniforms have to be worn when the students are at school.
17. A new style of jeans has just been introduced in the USA.
18. Thousands of fans were attracted by the football match.
19. Nothing could be done to stop the fire.
20. Some clothes are going to be bought.
*Cấu trúc:
S+V+O+(trạng từ chỉ nơi chốn)+(trạng từ chỉ tgian)
=> S(O)+be+P2+(trạng từ nơi chốn)+by+O(S)+(trạng từ tgian)
*Notes:
- Tân ngữ của câu chủ động là people/ they/ someone/ somebody/ we/ ... thì chuyển sang bị động có thể bỏ đi.
- Adv tần suất "always/ often/ ..." đặt sau "tobe" và trước V.
- Adv tần suất "everyday/ once a week/ ..." đặt trước "by+O"