1. The windows are cleaned by my mother once a week.
2. These machines mustn't be used by children.
3. The environment should be kept clean.
4. This vase was broken last night.
5. The car is washed everyday. ( Câu này không có từ the towels )
6. The letter was written by Lan yesterday.
7. The housework has been finished.
8. Bicycles mustn't be left in the hall.
9. The house will be built next week.
10. A new shopping mall is going to be opened in the city.
CT của các dạng bị động có trong bài :
+) Thì hiện tại đơn : S + tobe + V(PII) + place + (by + O) + time.
+) Thì quá khứ đơn : S + was/were + V(PII) + place + (by + O) + time.
+) Động từ khuyết thiếu : S + dtkt + be + V(PII) + place + (by + O) + time.
+) Tương lai gần : S + tobe going to + be + V(PII) + place + (by + O) + time.
+) Thì hiện tại hoàn thành : S + have/has + been + V(PII) + place + (by + O) + time.
+) Thì tương lai đơn : S + will + be + V(PII) + place + (by + O) + time.
