1. Are the windows often cleaned?

2. Any trees aren't grown in her garden.

3. He will be given some money when he retires by the company.

4. It was taken back to the zoo.

5. The fruits are picked everyday.

6. Is the housework done by the girl?

7. The cattle isn't driven out to the field in the winter.

8. The club was bought him 2 years ago for a fee of $$20 000. (bị động sẵn)

9. She will be met at the airport.

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@Câu bị động:

- HTĐ: S + am/is/are + P2 + (by O)

- TLĐ: S + will be + P2 + (by O)

- QKĐ: S + was/were + P2 + (by O)

@Chidat5A

114. Are the windows often cleaned by him?

115. Are any trees grown in her garden by her?

116. Some money will be given to him by the company when he retires.

117. It was taken back to the zoo by them.

118. The fruits are picked everyday by someone.

119. Is the housework done by the girl?

120. The cattle aren't driven out to the field in the winter by them.

121. He was bought the club 2 years ago for a fee of $$20,000.

122. She will be met at the airport by me 

Công thức chuyển đổi câu chủ động sang bị động trong tiếng Anh như sau:
Câu chủ động: S + V + O
Câu bị động: S + be + V3/ed + (by + O)