Bị động:

- HTĐ: S + am/is/are + V3/ed 

- QKĐ: S + was/were + V3/ed 

- HTHT: S + has/have + been + V3/ed 

- TLD: S + will be + V3/ed 

- S + must be + V3/ed 

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1. Rice is grown in many countries in the world.

2. The telephone was invented by Graham Bell many years ago. 

3. This car has been used for many years.

4. English is practiced by Lan every day.

5. The garbage will be taken out of the city.

6. I was sent this letter by Mary two days ago.

7. Compost is made from vegetables.

8. This work must be finished before Sunday.

9. This bicycle hasn't been used for al long time.

10. A strange man was seen in my garden yesterday.

11. The floor is cleaned every morning.

12. The problem will be solved soon.

13. The glass is broken into small pieces.

15. These cars were made in the USA.

16. The Internet has been used all over the world.

17. Many trees were planted in the school garden.

18. My book has been taken away.

19. I wasn't helped with my homework.

20. English has been learnt for three years.

`color{orange}{~MiaMB~}`