Unit2 Wildlife Protection 被动语态（ppt课件）-2023新人教版（2019）《高中英语》必修第二册.pptx

1、Unit 2 Unit 2 Wildlife ProtectionWildlife Protection-The Present Continuous-The Present Continuous Passive VoicePassive Voicediscovering discovering UsefUl strUctUreUsefUl strUctUreThe Present The Present Continuous Passive Continuous Passive VoiceVoice现在进行时现在进行时被动语态被动语态21结构：结构：am/is/are+doing1.We a

2、re doing many things to protect the animals.3.We are seeing the Tibetan antelopes next week.2.We are observing the Tibetan antelopes these days.一、一、The Present Continuous Tense 现在进行时现在进行时此时此刻此时此刻进行的动作进行的动作表示现阶段在做的动作表示现阶段在做的动作表示即将发生的动作表示即将发生的动作Activity1:Warming-up-Lets review!结构：结构：be+done英语动词动词有两种语态

3、：主动语态主动语态 (the active voice)被动语态被动语态(the passive voice)二、二、The Passive Voice 被动语态被动语态A.主动语态主动语态表示表示主语主语是是动作动作的的执行者执行者。We planted the tree.We planted the tree.B.被动语态被动语态表示表示主语主语是是动作动作的的承受者承受者。The tree was planted by The tree was planted by us.us.1.定义 表示表示“某人某人/事事此时此刻正在被此时此刻正在被”，主语主语是动作的是动作的承受者承受者,表表示

4、示说话时或现阶段说话时或现阶段某个某个被动被动的动作正在进行。的动作正在进行。一、一、The Present Continuous Passive Voice 现在进行时被动语态现在进行时被动语态 They are being hunted,illegally,for their valuable fur.People are hunting them,illegally,for their valuable fur.Activity 2:Focus on the form()Someone is hunting African elephant.by someone.African elep

5、hant is being hunted主语主语谓语谓语宾语宾语宾语宾语主语主语 谓语变被动谓语变被动 （时态不变）（时态不变）be+being+done+by2.主动语态变被动语态的原则“三变三变”原句主语原句主语 byby 短语短语宾语宾语 主语主语 谓语由主动谓语由主动 被动被动“三不变三不变”原句原句意思意思不变不变 原句原句时态时态不变不变 原句主谓宾以外原句主谓宾以外成分成分不变不变2.主动语态变被动语态的原则（时态时态和和语态语态结合结合，先体现时态，后体现语态），先体现时态，后体现语态）现在进行时：现在进行时：am/is/are+V-ing被动语态被动语态：be+done(V过

6、去分词)现在进行时的被动语态现在进行时的被动语态：主语+am/is/are+being+done+(by)表进行表进行表被动表被动二、二、现在进行时被动语态现在进行时被动语态3.结构(1 1)肯定形式：主语肯定形式：主语 +be(am/is/are)being doneThe house is being painted.(2)(2)否定形式否定形式：主语：主语 +be(am/is/are)not being doneThe trees are not being watered.(3)(3)一般一般疑问形式疑问形式：be(Am/Is/Are)主语主语 being done？Am I bein

7、g watched over?(4)(4)特殊疑问句形式特殊疑问句形式：特殊疑问词特殊疑问词 +be(am/is/are)+主语主语+being+done？3.基本结构When is the wall being painted?被打的豆豆 在遥远的小岛上，住着一个倒霉蛋，它叫豆豆，那里在遥远的小岛上，住着一个倒霉蛋，它叫豆豆，那里的人只有三件事要忙，吃饭，睡觉，打豆豆。的人只有三件事要忙，吃饭，睡觉，打豆豆。你看，你看，它总是被打它总是被打，还不知道是谁打的，还不知道是谁打的。Doudou is always beaten by someone.昨天晚上，夜黑风高，昨天晚上，夜黑风高，它又被

8、打了它又被打了。Doudou was beaten yesterday evening.明天，明天，豆豆还会面临豆豆还会面临n顿暴打顿暴打，可怜的豆豆啊。可怜的豆豆啊。Tomorrow,Doudou will be beaten several times.可怜的豆豆，可怜的豆豆，已经被这样打了很多年，已经被这样打了很多年，命命运一直没有改变。运一直没有改变。Poor Doudou has been beaten for many years.我们亲爱的豆豆现在在干嘛，不用问，我们亲爱的豆豆现在在干嘛，不用问，一定是正在被打。一定是正在被打。Our dear Doudou is being b

9、eaten now.随时可能被打的豆豆随时可能被打的豆豆，谁来救救它啊。，谁来救救它啊。Poor Doudou may be beaten anytime.The end写出谓语动词不同时态的被动语态以do为例时态语态一般现在时do/does am/is/are done一般过去时did was/were done现在进行时am/is/are doing am/is/are being done 过去进行时was/were doing was/were being done现在完成时has/have done has/have been done过去完成时had done had been d

10、one一般将来时will do will be done过去将来时would do would be done一般现在时一般现在时 一般过去时一般过去时 现在进行时现在进行时 过去进行时过去进行时 现在完成时现在完成时 过去完成时过去完成时 一般将来时一般将来时 时态时态 主动主动 被动被动总结归纳：总结归纳：1.被动语态的构成规律是：被动语态的构成规律是：_+_2.被动语态的时态由被动语态的时态由_体现体现.be donebe do/does did is/am/are doing was/were doing have/has done had done will do思考一：怎样把一个句

11、子由主动语态变为被动语态？思考一：怎样把一个句子由主动语态变为被动语态？练习巩固：练习巩固：1.They often plant trees in spring every year.2.We will hold the sports meet next time.思考二：被动语态的疑问句？思考二：被动语态的疑问句？Where do they make the machine?III.思考三：思考三：含有双宾语的句子怎样变被动语态？含有双宾语的句子怎样变被动语态？练习巩固：练习巩固：1.The teacher showed the children a beautiful picture.2.

12、My father bought me a new bike.IV.思考四：动词不定式做宾语补足语的句子思考四：动词不定式做宾语补足语的句子怎样变被动？怎样变被动？ask sb to do sth-sb be asked to do sth tell sb to do sth-sb be told to do sth make sb do sth-sb be made to do sth see sb do sth-sb be seen to do sth练习巩固：用所给动词的适当形式填空练习巩固：用所给动词的适当形式填空was made,to cry is,heard,to sing was

13、 asked,to answer,was seen,to leave V.思考五：及物的动词短语被动语态思考五：及物的动词短语被动语态在过去，中国人被外国人瞧不起在过去，中国人被外国人瞧不起In the past,the Chinese were looked down upon by the foreigners.VI.思考六：宾语是从句时如何变被动语态思考六：宾语是从句时如何变被动语态 Many people believe that the Nazis buried the Amber Room in a mine-Its believed by many people that the

14、 Nazis buried the Amber Room in a mine./the Amber Room was buried in a mine.VII.被动语态的常考难点被动语态的常考难点 happened sounds 2.主动形式表被动主动形式表被动_writes_ _sells_ 这些邮票值得收藏。这些邮票值得收藏。The stamps are worth collecting.被动语态专项练习 参考答案：一、选择题一、选择题1.B 2.D 3.A 4.C 5.C6.C 7.B 8.B 9.C 10.B 11.B 12.D 13.B 14.B 15.A 二、用括号内所给动词的正确

15、形式填空二、用括号内所给动词的正确形式填空 1.will be built 2.is being discussed 3.isspoken 4.hasnt been found 5.were cut 6.aretold 7.must be sent 8.are sold 9.aremade,are made 10.be taken 11.is cleaned 12.be seen 13.have been watered 14.sells 15.hasbeen 16.smells 17 is dancing 三、按要求改写下列句子三、按要求改写下列句子 1.Dogrow 2.is given

16、to me 3.soon is 4.will be sung 5.neednt be done 6.is used for 7.was made to do 8.is being watched 9.Was.built 10.have been sold 四、根据所给汉语完成句子四、根据所给汉语完成句子 was bought for me Ismade in China covered with 五、下列各句均有一处错误，请找出并改正过来五、下列各句均有一处错误，请找出并改正过来 be done改为改为 do listened改为改为 listened to remembered 改为改为 w

17、as/is remembered is sounded 改为改为sounds By who 改为改为 By whom Last week，we watched the film which _(dirct)by Chen Kaige,Xu ke and Lin Chaoxian.The film _(call)The battle At Lake Changjin in English.Lots of attention _(pay)to it before it _(show).According to the latest news,it _(watch)by over 86 million people.It _(show)in the cinema because of its popularity.It is likely that the film _(show)in foreign countries in the future.was directedis calledhad been paidwas shown has been watchedis still being shownwill be shown时态变化主要体现在时态变化主要体现在be的变化上，以的变化上，以 为例，列表如下：为例，列表如下：Thank you!