Chuyển câu chủ động (active) sang câu bị động (passive) 1/ My family visit grandparents every weekend. => 2/He prepared the dinner at the kitchen last week. => 3/ Alex is preparing that report now. => 4/ Peter was watching this movie at 8 o’clock last night. => 5/ I have studied French since 1890. => 6/ Kathy had returned the book to the library before last week. => 7/ He doesn’t send complaints to the head office. => 8/My friends didn’t write those plays. => 9/ My sisters aren’t reading books at the moment. => 10/ Two horses weren’t pulling Henry’s wagon. => 11/ John hasn’t finished the work. => 12/ They hadn’t cleaned the floor before I arrived. =>

1. Grandparents are visited by my family every weekend.

2. The dinner was prepared at the kitchen last week.

3. That report is being prepared by Alex now.

4.This movie was being watched by Peter at 8 o’clock last night.

5.French has been studied since 1890.

6.The book had been returned to the library by Kathy before last week.

7.Complaints aren't sent to the head office.

8.Thoes plays weren't written by my friends.

9.Books aren't being read by my sisters at the moment.

10.Henry’s wagon wasn't being pulled by two horses.

11.The work hasn't been finished by John.

12.The floor hadn't been cleaned before I arrived.

1. Grandparents are visited by my family every weekend.

2. The dinner was prepared at the kitchen last week.

3. That report is being prepared by Alex now.

4. This movie was being watched by Peter at 8 o’clock last night.

5. French has been studied since 1890.

6. The book had been returned to the library by Kathy before last week.

7. Complaints aren't sent to the head office.

8. Those plays weren't written by my friend.

9. Books aren't being read by my sistersat the moment.

10. Henry’s wagon wasn't being pulled by two horses.

11. The work hasn't been finished by John.

12. The floor hadn't been cleaned before I arrived.