Unit2WildlifeProtectionDiscoveringUsefulStructures课件高中英语人教版

Unit2WildlifeProtectionDiscoveringUsefulStructures-BrandyIdentifythepresentcontinuouspassivevoice.Masterthepresentcontinuouspassivevoice’sstructureandfunction.LeadinEnjoythesong:Lovetobelovedbyyou

Fillintheblankwiththelyrics.Baby,tellmehowcanItellyouThatI________youmorethanlifeShowmehowcanIshowyouThatI'm_______byyourlightWhenyoutouchmeIcantouchyou

TofindoutthedreamistrueI_______tobelovedIneedtobe_______Ilovetobe________byyouloveblindedlovelovedloved主动语态被动语态LoveToBeLovedByYou是一首旋律优美的英文歌曲，演唱者是美国流行歌手马克·特伦茨（MarcTerenzi）。2005年，Marc与德国歌手莎拉·寇娜（SarahConnor）结婚时，将这首歌作为爱的礼物献给妻子。Simple（一般）Continuous（进行）Present（现在）do/doesTenseis/am/aredoingPerfect（完成）Perfectcontinuous完成进行Past（过去）Future（将来）have/hasdonehave/hasbeendoingdidwas/weredoinghaddoneHadbeendoingwill/shalldowill/shallbedoingwill/shallhavedonewill/shallhavebeendoingreview现在进行时的被动语态PresentContinuousPassiveVoicebedoing现在进行时bedone被动语态bebeingdone现在进行时的被动语态Theworkersarebuildingthehouse.theworkers.Whataretheworkersdoing？Thehouseisbeingbuiltby主语谓语宾语Theworkersarebuildingthehouse宾语主语

谓语变被动（时态不变）

be+being+done+bySomeoneishuntingAfricanelephant.someone.Africanelephantisbeinghuntedby主语谓语宾语SomeoneishuntingAfricanelephant宾语主语

谓语变被动（时态不变）

be+being+done+by()TheyarehuntingTibetanantelopes.them.Tibetanantelopesarebeinghuntedby主语谓语TheyarehuntingTibetanantelopes宾语主语

谓语变被动（时态不变）

be+being+done+by宾语()主动语态变被动语态的原则“三变”例：Theyarebuildingnineparks.原句主语变为by宾语宾语变为主语谓语由主动变为被动“三不变”原句意思不变原句时态不变原句主谓宾以外成分不变Nineparks______________bythem.Howmanyparks____________?arebeingbuiltarebeingbuilt句型

1）肯定形式：am/is/are＋being＋过去分词Thehouseisbeingpainted.2）否定形式:am/is/are＋not＋being＋过去分词Thetreesarenotbeingwatered.3）疑问形式:Am/Is/Are＋主语＋being＋过去分词？AmIbeingwatchedover?4）特殊疑问句的形式:把特殊疑问词放在一般疑问句前面。Howmanybridgesarebeingbuiltinthevillage?2.现在进行时的被动语态的基本结构肯定结构be(am/is/are)beingdone否定结构be(am/is/are)+not+beingdone一般疑问结构Be(am/is/are)+主语+beingdone?特殊疑问结构特殊疑问词+be(am/is/are)+主语+beingdone?Summary①表示说话时正在进行的被动动作,句中常用now,rightnow,atthismoment,atpresent等时间状语。Somefoodisbeingeatenbythebearnow.②表示现阶段正在进行的被动动作.(说话时不一定在进行)

Theproblemoffoodsafetyisbeingstudiedbyscientistsatpresent.③表示一种习惯的被动行为(always,constantly),带有赞扬、羡慕、讨厌等感情色彩。Childrenofourneighborsarealwaysbeingpraisedbyourparents.④没有进行时的被动语态一些表示状态、心理活动、拥有、存在等的动词(和主动语态一样)一般不用进行时被动语态,常用一般现在时被动语态表示此时此刻或目前主语承受谓语动词的动作。

【练习】判断正误。ThisdoorwasbeingopenedbyLiMing.ThisdoorwasopenedbyLiMing.⑤表示被动结构“be

+under/

in等介词+名词”结构可替换进行时被动语态。

is

being

attacked1.目前这个城市正受到进攻。The

city

is

under

attack

at

the

moment.

2.桥梁正在建筑中。The

bridge

is

under

construction.

is

being

constructedTheyarebeinghunted,illegally,fortheirvaluablefur.Muchisbeingdonetoprotectwildlife.Choosethesuitableverbformstocompletethesentences..1.I’m(working/beingworked)athometodaybecausemyofficeis(painted/beingpainted).2.Thealarmingreportis(written/beingwritten).It’llbefinishedsoon.3.Whatpartofthecityis(attacked/beingattacked)now?TIPS:1.Readthesentencecarefullytomakesurewhetheritispropertousepresentcontinuoustense.2.Analyzetherelationshipbetweenthesubjectanditsverbtodecidewhetheritispropertousepassivevoice.4.Rightnow,thedeerare(watched/beingwatched)overbymanyvolunteers.5.Whois(hunting/beinghunted)thekangaroos?Wherearethey(hunted/beinghunted)?6.It’sreportedthatlivingspacesforwildlifeare(reduced/beingreduced)duetothecuttingoftrees.wetlandIsthesceneryfascinating?However,somethingterribleisbeingdonetothewetland

...Inthewetlandofmyhometown,therearemanydifferentkindsofanimals,includingwildbirds,fish,snakes,insectsandsoon.WhenIwasinprimaryschool,Ioftenwenttherewithmyfriendstowatchthebirdsandstudythem.Itwasaninterestingplaceforallofus.Butthingshavebeguntochangeinrecentyears.LiuTaowouldliketoexpresshisconcernoverthewetlandinhishometown.Helphimfinishthepassagewiththepresentcontinuouspassivevoiceoftheverbsinbrackets.Smallbirds________________(catch)withnets.Wildducks_____________(sell)atfoodmarkets.Fishandsnakes_______________(kill)forfoodinrestaurants.Andevenworse,thewetland_________________(destroy).Someparts_________________(cover)withnewhouses.Youcanseerubbisheverywhere.Thewetland________________(polute)seriouslyeveryday.Iamveryworriedaboutit.Whatcanwedo?arebeingcaughtarebeingsoldarebeingkilledisbeingdestroyedarebeingcoveredisbeingpolluted从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。1.Itisreportedthatmanyanewhouse _____atpresentinthedisasterarea. A.arebeingbuiltB.werebeingbuiltC.wasbeingbuiltD.isbeingbuilt2.—Hi,Terry,canIuseyourcomputer forawhilethisaftern