Unit 2 Discovering Useful Structures 现在进行时的被动语态（ppt课件）-2022新人教版（2019）《高中英语》必修第二册.pptx

1、Discovering Useful StructuresWildlife ProtectionThe structure of present continuous passive voiceWhat do you know about wildlife protection?Our planets wildlife is dying out at an alarming rate.Between 150 and 200 species are becoming extinct every day.African elephants are being hunted.Much is bein

2、g done to protect wildlife.What is being done to help them?What measures are being taken to help them?Lead inLead in现在进行时的被动语态现在进行时的被动语态am/is/arebeingdoneWhat can you find?Lead inLead inSimple（一般）Continuous（进行）Present（现在）do/doesTenseis/am/are doingPerfect（完成）Perfect continuous（完成）Past（过去）Future（过去）T

3、he past future（过去将来）have/has donehave/has been doingdidwas/were doinghad doneHad been doingwill/shall do will/shall be doingwill/shall have donewill/shall have been doingshould/would doshould/would be doingshould/would have doneshould/would have been doing表示“某人/事此时此刻正在被”，主语是动作的承受者,表示说话时或现阶段某个被动的动作正在

4、进行。1.Pandas are being protected in Wolong National Reserve.2.A modern school is being built for the students these months.3.A Christmas party is being held tonight.4.Tom is always being praised by the teacher.说话时说话时正在进行的被动动作正在进行的被动动作现阶段现阶段正在进行的被动动作正在进行的被动动作按计划或安排按计划或安排将将要进行的一个被要进行的一个被动动作动动作经常经常的被动行为

5、的被动行为一、现在进行时的被动语态的定义7It is reported that the water in the lake is not being protected now.据报道，这个湖里的水现在没有得到保护。Are the babies being taken care of by this nurse?这些婴儿正由这个护士照看吗？Who is being trained for the coming English speech contest?为了即将举行的英语演讲比赛，谁正接受训练？肯定句肯定句否定句否定句一般疑问句一般疑问句特殊疑问句特殊疑问句二、现在进行时的被动语态的结构主

6、语be(am/is/are)being done主语be(am/is/are)not being donebe(am/is/are)主语being done特殊疑问词be(am/is/are)主语being doneChange the sentences into the passive form.Active voice(主动语态)Passive form(被动语态)(1)I take a book.(1)The book is taken by me.(2)He waters the flowers every day.(2)The flowers are watered by him

7、every day.(3)The famers dont grow apples on the farm.(3)Apples are not grown by the farmers on the farm.(4)Can we put our bikes here?(4)Can our bike be put here?Booksare beingreadby students.African elephants are being hunted.Objectam/is/are beingpast participle(by+Subject)+Present continuous tense(

8、现在进行时)Present continuous passive tense(现在进行时被动语态)(1)I am reading a book.(1)The book is being read by me.(2)They are hunting a dear.(2)The dear is being hunt by them.(3)Tom is playing the guitar.(3)The guitar is being played by Tom.101不可遗漏being现在进行时的被动语态中，be为第一助动词，being为第二助动词，缺一不可，且位置不可互换。此结构若缺少being

9、，则就成为一般现在时的被动语态或系表结构。试比较：The report is being written by the best student.报告正在由一名最好的学生写着。The report is well written.这个报告写得很好。(系表结构)2不可遗漏介词take care of，look after，talk about，think of等动词短语用于现在进行时的被动语态时，其中的介词不可省略。Look！The children are being taken care of by their aunt.瞧！那些孩子正由他们的姨妈照看着。注意事项注意事项113没有现在进行时

10、的被动语态的动词非延续性动词、表示存在意义、所属关系、静态特征的动词以及系动词不用于现在进行时的被动语态。The book belongs to him.这本书是他的。4“be(am/is/are)under/inn.”结构有时可相当于现在进行时的被动语态。The bridge is in use.The bridge is being used.这座桥正在使用。1.Im(working/being worked)at home today because my office is(painted/being painted).2.The alarming report is(written/

11、being written).It will be finished soon.3.What part of the city is(attacked/being attacked)now?4.Right now,the deer are(watched/being watched)over by many volunteers.5.Who is(hunting/being hunted)the kangaroos?Where are they(hunted/being hunted)?6.It is reported that living spaces for wildife are (r

12、educed/being reduced)due to the cutting of trees.Choose the suitable verb forms to complete the sentences.Exercises7.Every year over 29,000 antelopes _(kill)in Tibet.8.In the past,the elephants _(kill)by farmers.9.In the past twenty years,a large number of bamboo areas _(set up)to help pandas grow.a

13、re killedwere killedhave been set up一般现在时被动语态一般现在时被动语态一般过去时被动语态一般过去时被动语态现在完成时被动语态现在完成时被动语态10.At present a new home _(build)for pandas.is being built现在进行时被动语态现在进行时被动语态11.WWF hopes that more and more wild animals _(protect)in the future.将来时被动语态将来时被动语态will be protected12.Lily just told me Jack _(fire)s

14、ince last month.had been fired13.My homework _ when you arrive tomorrow.will have been finished过去完成时被动语态过去完成时被动语态将来完成时被动语态将来完成时被动语态14.A new cinema_ (build)here now.15.A lot of tall buildings _(set)up,and people will move next year.16.The disease _(study)by scientists at present.17.Water _(boil)at 10

15、0.18.pandas _ (disappear)in our country year after year.19.The patient _ now.He will come out soon.is being builtare being setare being studiedboilsis being examinedare disappearingLanguage Points1due to2be concerned about3give a presentation4speak up for5Its high time to do6follow ones example7be released into8make sb aware of为为辩护辩护;替替讲好话讲好话是该做是该做的时间了的时间了仿效某人仿效某人被释放到被释放到使某人意识到使某人意识到由于由于对对担忧担忧介绍介绍SummaryHomeworkDo the exercises on your exercise book.