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    2019新人教高中必修二Unit2 Wildlife Protection--Discovering Useful Structures公开课课件
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    人教版 (2019)必修 第二册Unit 2 Wildlife protection图文课件ppt

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    这是一份人教版 (2019)必修 第二册Unit 2 Wildlife protection图文课件ppt,共17页。PPT课件主要包含了dodoes,Tense,did,had done,Review ,Summary等内容,欢迎下载使用。

    Teaching bjectives:
    By the end f this perid, students will be able t…
    1. knw abut the structure f the present cntinuus passive vice and its functin.2. master the usage f the present cntinuus passive vice . 3. use the present cntinuus passive vice flexibly in the real cntext.
    Cntinuus(进行)
    Present(现在)
    is/am/are ding
    Perfect(完成)
    Perfect cntinuus(完成)
    The past future(过去将来)
    have/has dne
    have/has been ding
    was/were ding
    Had been ding
    will/shall d
    will/shall be ding
    will/shall have dne
    will/shall have been ding
    shuld/wuld d
    shuld/wuld be ding
    shuld/wuld have dne
    shuld/wuld have been ding
    Change the sentences int the passive frm.
    Active vice(主动语态) 
    Passive frm(被动语态) 
    (1) I take a bk.
    (1) The bk is taken by me.
    (2) He waters the flwers every day.
    (2) The flwers are watered by him every day.
    (3) The famers dn't grw apples n the farm.
    (3) Apples are nt grwn by the farmers n the farm.
    (4) Can we put ur bikes here?
    (4) Can ur bike be put here?
    1.African elephants are being hunted.→_______________________________________2.What is being dne t help them?→_______________________________________3.What measures are being taken t help them?→_________________________________________Differences:________________________________
    Observe and analyze
    Underline the present cntinuus passive vice,change them int active vice and cmpare the differences in meaning.
    所强调的重点(主语)不同。
    Hunters are hunting African elephants.
    What are peple ding t help them?
    What measures are peple taking t help them?
    Summarize the structure f the present cntinuus passive vice.
    Structure & Functin
    be(am/is/are)+being dne
    be(am/is/are)+nt+being dne
    be(am/is/are)+主语+being dne
    特殊疑问词+be(am/is/are)+主语+being dne
    1. My sister is nw being interviewed.Functin:__________________________________2. Many interesting experiments are being carried ut these days.Functin:_________________________________________________________________3. He is always being praised by the leader.Functin:_________________________________________________________________ _______________________________________4. A celebratin is being held this weekend fr his success.Functin:______________________________________________
    Observe the fllwing sentences and figure ut the functin f the present cntinuus passive vice.
    被动语态的使用情境:不知道或者不需要提及动作的发出者;强调动作的承受者。
    有时可表示按计划或安排将要进行的一个被动动作。
    表示此时此刻正在进行的被动动作。
    表示现阶段正在进行的被动动作(该动作在说话的瞬间未必正在进行)。
    这种用法常常带有赞扬或厌恶的感情色彩。
    表示一种经常性的被动行为,常和always, cnstantly 等表示频度的副词连用,
    Chse the suitable verb frms t cmplete the sentences.
    Cnslidatin
    1. I’m (wrking / being wrked) at hme tday because my ffice is (painted / being painted).2. The alarming reprt is (written / being written). It will be finished sn. 3. What part f the city is (attacked / being attacked) nw?4. Right nw, the deer are (watched / being watched) ver by many vlunteers.5. Wh is (hunting / being hunted) the kangars? Where are they (hunted / being hunted)?6. It is reprted that living spaces fr wildlife are (reduced / being reduced) due t the cutting f trees.
    1. The z is pening a new area fr the tw baby elephants.→________________________________________________________________2. The dctrs are nt examining the patient.→________________________________________________________________3. They are raising mre funds fr research int wildlife prtectin.→________________________________________________________________4. The city is setting up a new nature reserve fr endangered animals.→________________________________________________________________5. Tday we are cmpleting ur writing task nline.→________________________________________________________________
    Rewrite the sentences using the present cntinuus passive vice.
    Tday ur writing task is being cmpleted nline.
    A new area is being pened fr the a tw baby elephants (by the z).
    The patient is nt being examined (by the dctrs).
    Mre funds are being raised fr research int wildlife prtectin.
    A new nature reserve is being set up fr endangered animals in/by the city.
    In the wetland f my hmetwn, there are many different kinds f animals, including wild birds, fish, snakes, insects and s n. When I was in primary schl, I ften went there with my friends t watch the birds and study them. That was an interesting place fr all f us. But things have begun t change in recent years. Small birds _________________ (catch) with nets. Wild ducks _______________ (sell) at fd markets. Fish and snakes ___________________ (kill) fr fd in restaurants. And even wrse, the wetland _______________ (destry). Sme parts __________________ (cver) with new huses. Yu can see rubbish everywhere. The wetland _________________ (pllute) seriusly every day. I am very wrried abut it. What can we d?
    Finish the fllwing passage with the present cntinuus passive vice f the verbs in brackets.
    is being plluted
    are being caught
    are being sld
    are being killed
    is being destryed
    are being cvered
    The passage is abut Liu Ta’s cncern f the wetland in his hmetwn
    In the wetland f my hmetwn, there are many different kinds f animals, including wild birds, fish, snakes, insects and s n. When I was in primary schl, I ften went there with my friends t watch the birds and study them. That was an interesting place fr all f us. But things have begun t change in recent years.
    What is happening t the small birds in the wetland?
    What is happening t the wild ducks?
    What is happening t the fish and snakes?
    Questin & Answer
    Small birds __________________ (catch) with nets.
    Wild ducks _______________ (sell) at fd markets.
    Fish and snakes ______________ (kill) fr fd in restaurants.
    What is happening t the wetland?
    What d yu think shuld be dne t prtect the wetland?
    The wetland ___________________ (destry). Sme parts _________________ (cver) with new huse. Yu can see rubbish everywhere. The wetland _________________ (pllute) seriusly every day.
    are being destryed
    Hell, everyne! I've just cme back frm a wnderful trip t Tibet. It was s beautiful there that______.The scenery was s impressive and the air was s fresh and clean._________. Hwever, _______. Cans, _________ as they pass thrugh Tibet. I wrry abut the effect this will have n the lcal shuld all think abut this. A. Visitrs are being tld t pay mre attentin t prtecting the envirnment. B. this beautiful cuntryside is being spiled by careless visitrs C. paper and plastic bags are still being thrwn away by many tur grups D. Hw can we make visitrs mre aware f the damage that is being dne t the envirnment? E. I felt I was in a fairyland(仙境)
    Cmplete the speech with the crrect sentences r clauses. Then discuss pssible slutins in grups.
    巧学助记主动语态变被动语态的原则: “三变”原则: 原主变为by短语 原宾变为现主语 谓语主动变被动。“三不变”原则: 原句意思不变;原句时态不变 原句主谓宾以外成分不变。
    Discuss in grups and prepare t give a presentatin f yur ideas t the class.
    A: What d yu knw is being dne in yur neighburhd t prtect animals and plants?B: Well, the ld trees in the park are being prtected.A: Oh yes. They are being prtected nt nly because they are the natural habitat fr sngbirds.C: That’s right. Perhaps they culd help prtect the birds by making the rads arund the park free frm cars.D: Yes, that wuld certainly help make the air cleaner fr them …
    Fr example:
    What suggestins d yu have?
    Presentatin
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