人教版必修2 unit4语法

GrammarThePresentProgressivePassiveVoiceThePresentProgressivePassiveVoice•结构：A陈述句：主语+am/is/are+being+过去分词B疑问句：疑问词+am/is/are+主语+being+过去分词•用法：•表示说话人说话时或现阶段正在进行的动作，经常和时间副词now（现在），rightnow(现在，此刻），atpresent(现在，目前），atthismoment(此刻）连用。•意义：•主语和谓语动词之间是被动关系，而且动作正在进行。------MusicisbeingtaughtbymissLinow.------Newfunctionsarebeingaddedtothephoneatpresent.TheTenseoftheThePassiveVoice一般现在时：am/is/are+p.p一般过去时：was/were+p.p现在进行时：am/is/arebeing+p.p过去进行时：was/werebeing+p.p现在完成时：have/hasbeen+p.p过去完成时：hadbeen+p.p一般将来时：will/shallbe+p.pCanyoufindthefollowingsentenceinthereadingpassage?-------Ourfurisbeingusedtomakesweaterslikeyours.Nowpleasepickouttwomoresentenceinthepassivevoiceusingthepresentcontinuoustense•1.Daisyturnedroundandsawshewasbeingwatchedbyanexcitedelephant.•2.Iwaitherebecausewe’rebecomingendangeredinZimbabwe.TryandseeifyoucanhelpfillinthefollowingformQuestionAnswerWhoisstudyingtherhino?Therhino_______________byBeijingUniversitystudents.WhoisprotectingtheAfricanelephant?TheAfricanelephant_______________bytheWWF.WhoishuntingtheTibetanantelopeTheTibetanantelope______________bypeople.Whoistakingphotosofthepanda?Thepanda________________byDaisyWhoiskillingthewhales?Thewhales________________bytheJapanesefishermanWhoisattackingthemice?Themice__________________bythecatisbeingstudiedisbeinghunted__isbeingprotectedisbeingphotographedarebeingkilledarebeingattackedLet’spractise.Exercise:1.----Look!Everythinghereisunderconstruction.----what’stheprettysmallhousethat________for?A.isbeingbuiltB.havingbeenbuiltC.isbuiltD.isbuilding2.----Doyoulikethematerial?----Yes,it___verysoft.A.isfeelingB.feltC.feelsD.isfeltAC3.Thepatient________now.Hewillcomeoutsoon.A.isexaminedB.isbeingexaminedC.isexaminingD.hasexamined4.----Haveyoumovedintothenewhouse?----Notyet,therooms___________.A.arebeingpaintedB.arepaintingC.arepaintedD.arebeingpaintingBA•用被动语态的适当形式填空1.Don’tworryabouther.She____________________(meet)byherfriendsassoonasshearrives.2.He____________________(operate)ontwiceforthatdisease.3.Thenews________________(talk)abouteverywhere.willbemethasbeenoperatedisbeingtalked4.English_______________(teach)inchinaforoveracentury.5.Alotoftallbuildings__________(set)up,andpeoplewillmoveinSometimenextyear.hasbeentaughtarebeingset完成句子：1.____________________________(应该注意）eventhesmallestdetail.2.(据说）_____________thathehasgonetoAmerica.3.Theplaceisverydirty.Rubbish______________(扔）everywhere.AttentionshouldbepaidtoItissaidhasbeenthrown4.Mostofthestreetsinthecity_____________＿＿＿(拓宽)alreadyandmanynewbuildings_________________(建造)now.5.Whatshouldyoudowhileyou_______________（跟踪）byastranger?arebeingbuiltarebeingfollowedhasbeenwidened1.I’mafraidthattheroadtoWolongNatureReserveisbeingrepaired.2.Howmuchmoneyweshouldspendonendangeredtigersisbeingdiscussed.3.Thesideeffectsofthenewdrugarebeingresearched.4.Therequesttogetavideosetforeachofficeisbeingconsidered.5.Theprojecttomakeanewhomeforpandasisbeingdeveloped.AnswerkeyforEx1:1.WhatcanwedotoprotecttheMiluDeerfromdisappearingagain?2.DoyouthinkthepandasinChinaareindanger/arebeingendangered?3.Whatdoyousuggestweshoulddotoprotectwildlife?4.Doyouknowwhydinosaursdiedoutsuddenlyabout65millionyearsago?5.Nationalnaturalprotectionzonesshouldnotbeopenedtotourists.Doyouagree?AnswerkeyforEx2