III. Rewrite the sentences in passive voice. 

1. The police were told about it by us ( ctruc: s+was/were+ v_ed/cột3, ở đây the police là danh từ số nhiều nên ta dùng were)

2. The house was surrounded by the police ( tương tự)

3. The wheel was invented thousands of years ago ( ở đây ta thấy people k xđịnh nên k càn dùng by)

4. His friend were visited by Nam two weeks ago ( tương tự)

5. My friend was seen at your party five days ago by me ( tương tự)

6. We were taken to the movie last week by our mother ( tương tự)

7. Everybody in the house was questioned by the police

8. You wasn’t seen at the party last night ( tương tự)

IV. Rewrite the sentences

1. The street has been cleaned by the workers for 2 hours ( ctruc: s+ have/has+been+ v_ed/cột3)

2. These rooms have been cleaned since 3 o’clock by my síter (tương tự)

3. I haven’t been invited to the birthday party ( tương tự)

4. I have been told the truth about the situation by him ( tương tự)

5. My clothes has been washed by my sister ( tương tự)

6. Many old houses have been restored in hoi an

7. The tickets have been sold out for the football match between vietnam and thailand (tương tự)

8. My briefcase has been taken ( tương tự)

9. The novel has been translated into vietnamese by her

10. He has been transferred to another class by his teacher ( tương tự)