2.They deliver the post every day.

→ The post is delivered everyday.

3. Birds eat seeds .

→ Seeds is eaten by birds.

4. A storm destroyed three houses in the neighbourhood .

→ Three houses were destroyed in the neighbourhood by a storm.

5. They built the school in 1956 .

→ The school was built in 1956

6. Does she cook dinner every night ?

→ Is dinner cooked by her every night ?

7. Did Nicky wash the dishes ?

→ Were the dishes washed by Nicky?

8. Ben didn't steal Johnny's bag .

→ Johnny's bag wasn't stolen by Ben.

9. They found the missing painting .

→ The missing painting was found.

10. Fiona takes the dog for a walk every day .

→ The dog is taken for a walk by Fiona every day.

Cấu trúc passive voice (câu bị động):

S + be + V3/ed + (by + O)

Cấu trúc bị động hiện tại đơn: S+ is/am/are + VpII + (by + O)

Cấu trúc bị động quá khứ đơn:S+ was/were + VpII + (by + O)

*Trạng ngữ chỉ thời gian: sau by

*Trạng ngữ chỉ địa điểm trước by

2. The post is delivered everyday.

(từ they-chủ ngữ không xác định có thể bỏ trong bị động)

3. Seeds are eaten by birds.

4. Three houses were destroyed in the neighbourhood by a storm.

5. The school was built in 1956.

6. Is dinner cooked by her every night?

7. Were the dishes washed by Nicky?

8. Johnny's bag wasn't stolen by Ben.

9. The missing painting was found.

10. The dog is taken for a walk by Fiona everyday.