初三被动语态复习公开课 PPT

大家有疑问的，可以询问和交流
可以互相讨论下，但要小声点
Work in pairs
A: Hello, I’m from CCTV. Can I ask you some questions? _w_e_r_e_ you hurt by the smog? B: Yes .My throat__w_a_s__ badly hurt. A: _w__e_r_e you helped by others in the smog？ B: Yes. I _w_a_s__ taken to the hospital. A: What was affected by the smog? B: The water _w__a_s_ polluted and the roads __w_e_r_e__ crowded with cars.
cars
We should reduce the use of cars.
The use of cars should be reduced.
What should be done by the Chinese government in the future?
some laws should
carry out
2.Doctors take good care of many people. Many people are taken good care of by doctors.
3.The smog reduces the vision. The vision is reduced by the smog.
4.Yellow fog covers several places in Beijing. Several places in Beijing are covered by yellow fog.
一般现在时的被动语态：
am/is/are + 过去分词
am/is/are
am are is
过去分词
In the future...
Some laws should be carried out.
What should be done by the Chinese government in the future?
The roads are… Some highways are… Hospitals are …
Put the following into passive voice(被动语态).
1. The smog destroys many trees. Many trees are destroyed by the smog.
Passive Voice (被动语态)
Dec. 5, 1952 (65 years ago)
（伦敦雾霾事件）
Guess
What happened in this incident?
The London smog killed 12000 people.
The London smog polluted the water.
4. Clean Air Act(清洁空气法案)__w_a_s_c_a_r_r_ie_d__o_u_tby the government. （carry out）
You are a reporter from CCTV.
After the smog, you are interviewing a man from London.
一般过去时的被动语态：
was /were + 过去分词
Was/were
was were
was
过去分词
Now
In China, a lot of cities are suffering from the same problem now.
Discussion
What problems are caused by the smog?
What should people do in the future?
plant more trees
We can plant more trees. More trees can be planted.
What should people do in the future?
reduce the use of
Work in pairs
A: Hello, I’m from CCTV. Can I ask you some questions? _w_e_r_e_ you hurt by the smog? B: Yes .My throat__w_a_s__ badly hurt. A: _w__e_r_e you helped by others in the smog？ B: Yes. I _w_a_s__ taken to the hospital. A: What was affected by the smog? B: The water _w__a_s_ polluted and the roads __w_e_r_e__ crowded with cars.
Put the active voice into passive voice (主动语态) （被动语态）
Thee LLoonnddoonnsmsmogog kkiilleledd 1122000000ppeeopolpele.
were killed by the London smog.
ThheeLLoonnddononsmsomgog ppolluutteedd tthhee waatteer.r. The water was polluted by the London smog.
After the smog
1. About 12 000 people_w_e_r_e_____ by the smog.(kill)
kilห้องสมุดไป่ตู้ed
2. Food in the shop_w_a_s__s_o_ld__out.(sell)
3. The water_w_a_s__p_o_ll_u_te_d__by the smog. (pollute)