Chuyển câu chủ động thành câu bị động :
1, Farmers cut rice during the harvest
2,We don't use this room every day
3, Jane doesn't do the homework very often
4, They didn't finish the project last month
5,Lan will clean the floor this Friday
6, You must finish your homework before nine o'clock
7, They are going to destroy that old house
8, I used to water the flowers when we lived in the countryside
9, People used to recycle paper in the traditional way
10, Nobody has used this machine for years
11, Mrs Bown is watering the flowers in the garden
12, We are discussing the pollution problem
1. Rice is cut during the harvest by farmers
2. This room isn't used every day
3. The homework isn't done very often by Jane
4.The project isn't finished last month
5. The floor will be cleaned by Lan this Friday
6. Your homework must be finished before nine o'clock
7. That old house is going to be destroyed
8. The flowers used to be watered when we lived in the countryside
9. Paper used to be recycled in the traditional way
10. This machine hasn't been used for years
11. The flowers are being watered in the garden by Mrs Brown
12. The pollution problem is being discussed