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1、Unit 4 Wildlife Protection,Grammar,Step one: Revision of the Passive Voice,Every year over 29,000 antelopes _ (kill) in Tibet.,- 一般现在时的被动语态,2. In the past, the elephants _ (hunt) by farmers.,- 一般过去时的被动语态,are killed,were hunted,3. In the past twenty years, a large number of bamboo areas _ (set) up to
2、 help pandas grow.,- 现在完成时的被动语态,have been set,4. WWF hopes that more and more wild animals _ (protect) in the future.,will be protected,- 一般将来时的被动语态,5. By the end of last year, some forests _(destroy) by local farmers.,had been destroyed,- 过去完成时的被动语态,6. The plant must _(water) every two days.,be wat
3、ered,- 情态动词的被动语态,表格：被动态基本结构,am/is/are done,was/were done,shall/will be done,would be done,have/has been done,had been done,被动语态be字变，过去分词跟后面。,二. 现在进行时的被动语态。 1. 从课文中找出以下句子并补充完整。(Page26) 1) We _ for the wool beneath our stomachs. (Line9) 2) Our fur _ to make sweaters for people like you. (L10) 3) I won
4、der what _ to help you. (L12) 4) Daisy turned around and found that she _ by an elephant. (L15) 5) So good things _ here to save local wildlife. (L25),are being killed,is being used,is being done,was being watched,are being used,现在进行时的被动语态：am/ is/ are being done,过去进行时的被动语态：was/ were being done,1) 表示
5、说话时正在进行的被动动作, 强调主语是动作 的承受者。,Look! The baby _(take) care of by her aunt.,2) 表示现阶段正在进行的被动动作。但此时此刻不一 定在进行的被动动作。,A new building _ ( build) outside our school.,2. 现在进行时被动语态的用法,is being taken,is being built,Shes made rapid progress recently and _always _( praise) by the teachers. She said that the silly q
6、uestions _ always _( ask) by the man.,3) 现在进行时、过去进行时被动语态与always , all the time等词连用时，表示经常性的被动动作，此时往 往带有赞赏或厌恶等感情色彩。,is,being praised,were,being asked,The telephone is in use now.,= The telephone _ _ _ now.,4) 有些“介词+名词”结构可以表示现在进行时的被动意 义。请记住下列短语：on show; in use; under protection; under repair; under dis
7、cussion; under research; under consideration; under development等。,is being used,The problem is being discussed at the meeting now.,= The problem _ _ _ at the meeting now.,is under discussion,3. 现在进行时被动语态的否定和疑问。 肯定：The bridge _ (repair) now. 否定：The bridge _ (not repair) now. 一般疑问：_ the bridge _(repai
8、r) now?,is being repaired,isnt/ is not being repaired,Is,being repaired,三. 进行时的被动语态专练。 1. 用动词的正确形式填空。 1) As you can see, many trees _(cut) down by humans now. 2) Look, The river _(pollute) by the waste from the factory, which is producing some chemicals(化学品). 5) Look, many trees _(plant) by students
9、 over there.,are being cut,is being polluted,are being planted,2. 请把下列句子由主动语态改为被动语态： 1) Human beings are killing us for the wool beneath our stomachs. 2) Now, the government is taking good measures to save the endangered wild animals.,We are being killed for the wool beneath our stomachs by human be
10、ings.,Now, good measures are being taken to save the endangered animals by the government.,2. 请把下列句子由主动语态改为被动语态： 3) Some factories are using our fur to make sweaters. 4) What are they doing to help the wild animals in danger of disappearing?,Our fur is being used to make sweaters by some factories.,
11、What is being done to help the wild animals in danger of disappearing?,四. 综合练习。 1. 用动词的正确形式填空。 1) Look! The panda _(watch) by the naughty tourists, which keeps him frightened. 2) The hunter turned around and found that he _(bite) by a snake. 3) Paper money _(use) for over a thousand years. 4) Hundre
12、ds of jobs _(lose) if the factory closes. 5) The number of wild animals may decrease if their habitat _(threaten).,is being watched,was bitten,has been used,will be lost,is threatened,四. 综合练习。 1. 用动词的正确形式填空。 6) Great changes have taken place in Dongguan, and a lot of factories _(set) up recently. 7)
13、 I wonder what _(do) to help the wild animals now. 8) The price of a color TV set _ (bring) down since last month. 9) The reason for all the changes _(not explain) to us yet. 10) In my opinion, more attention should _(pay) to the wildlife protection.,have been set,is being done,has been brought,has
14、not been explained,be paid,四. 综合练习。 1. 用动词的正确形式填空。 11) These books _(not take) out of the library again in the future by you. 12) The water will be further polluted unless some measures _(take). 13) Up to now, 35 Chinese culture relics _(put) on World Heritage List. 14) Your experiment report _(type) now and it _(finish) soon.,wont be taken,are taken,have been put,is being typed,will be finished,2. 请把下列句子由主动语态改为被动语态： 1) She is telling us an interesting story. 2) The nurse is taking good care of the patient.,We are being told an interesting story by her.,The patient is bei
