9. The dentist pulled out my tooth. → My tooth ______________________________by the dentist. 10. The police are questioning him now. → He ______________________________ now by the police 11. The waitress serves breakfast at 7 o’clock.  → Breakfast ______________________________ at 7 o’clock by the waitress. 12. Who did they give the prize to? → Who _______the prize_____________________ to ? 13. The news seemed to have shocked him. → He seemed ______________________________by the news. 14. You should take these tablets before meals. → These tablets ______________________________ before meals. 15. The teacher has sent him out of the classroom. → He ______________________________out of the classroom by the teacher. 16. You must wash coloured clothes separately. → Coloured clothes ______________________________separately. 17. The mayor will open the new sports center next month. → The new sports center ______________________________by the mayor next month. 18. Many parents influence their children strongly. → Children ______________________________ strongly by most parents. 19. They were pulling down the building when I walked by. → The building ______________________________down when I walked by. 20. Somebody has stolen Jack's car recently. → Jack’s car ______________________________ recently. 21. He expects people to show him more respect. → He expects ______________________________more respect. 22. Nobody has seen the Queen since July. → The Queen ______________________________ since July.  

Cách làm:

1. Xác định động từ đúng dạng:
- The dentist pulled out my tooth (V + O)
- The police are questioning him now (V + O)
- The waitress serves breakfast at 7 o'clock (V + O)
- Who did they give the prize to? (V + O)
- The news seemed to have shocked him (V + O)
- You should take these tablets before meals (V + O)
- The teacher has sent him out of the classroom (V + O)
- You must wash coloured clothes separately (V + O)
- The mayor will open the new sports center next month (V + O)
- Many parents influence their children strongly (S + V + O)
- They were pulling down the building when I walked by (S + V + O)
- Somebody has stolen Jack's car recently (S + V + O)
- He expects people to show him more respect (S + V + O)
- Nobody has seen the Queen since July (S + V + O)

2. Viết lại câu với cấu trúc bị động:
- My tooth was pulled out by the dentist.
- He is being questioned now by the police.
- Breakfast is served at 7 o'clock by the waitress.
- Who was the prize given to?
- He seemed shocked by the news.
- These tablets should be taken before meals.
- He was sent out of the classroom by the teacher.
- Coloured clothes must be washed separately.
- The new sports center will be opened by the mayor next month.
- Most children are strongly influenced by their parents.
- The building was being pulled down when I walked by.
- Jack's car has been stolen recently.
- He expects to be shown more respect.
- The Queen hasn't been seen since July.

The Queen hasn't been seen since July.

He expects people to show him more respect.

Jack's car has been stolen recently.

The building was being pulled down when I walked by.