新课标人教版选修七Book7 Unit3 Grammar.ppt

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1、Unit3GrammarRevisethePassiveVoiceof—ingFormHavingbeenattackedbyterrorists,theWorldTradeCentercollapsed.HaveALkUnexpectedly,beingunemployedgavemebackasenseofpurpose—Iwassomeone’smum!2.Whatwearesureaboutistheneedtopreventchildrenfrombeingspoiled.3.Thesilenceoft

2、helibrarywasbrokenonlybythesoundofpagesbeingturnedover.4.BeingwatchedbyhisEnglishteacher,littleTomfeltnervous,notknowingwhattosay.5.Didyouseetheboybeingquestionedbythepolice?6.Havingbeentoldmanytimes,hefinallyunderstoodit.一、行为主体不明确，不必说出或者无法说出动作的执行者时。例如：Footbal

3、lisplayedallovertheworld．二、不易找到或根本就不可能找到动作的执行者时。例如：Mybikewasstolen．我的自行车被盗了。何时使用被动语态呢？三、汉语中含有“据说”、“据悉”、“有人说”、“大家说”等时。例如：Itissaidthatonedayheclimbedtothetopofahouse.ItwasreportedthathermotherdiedofSARS.众所周知……Itiswellknownthat...据推测说……Itissupposedthat…四、汉语中含有“被”

4、、“由”等词时。例如：WeiHuawasaskedtocomebyLinTao．魏华是被林涛叫来的。五、某些句子习惯上用被动语态。例如：HewasborninOctober,1989．六、表示礼貌时。例如：YouarefriendlyinvitedtocometoourEnglishpartyat8:00p.m.tomorrow．敬请您明天晚上8：00光临我们的英语晚会。V-ing形式由“do＋ing”构成，其否定形式是“notdoing”,V-ing可以带宾语或状语构成V-ing短语，没有人称和数的变化，但有时态

5、和语态的变化。V-ing形式语态时态主动形式被动形式一般式完成式(not)doing(not)beingdone(not)havingdone(not)havingbeendone当非限定性动词-ing的逻辑主语是-ing所表示的动作对象时要用-ing的被动形式，包括其一般形式“(not)being + -ed分词和完成形式“(not)having been +-ed分词”。什么情况用V-ing形式的被动式呢？当动词-ing形式的逻辑主语是动作的承受者时，就要用动词-ing形式的被动语态。    动词-ing形式

6、的被动语态和它的主动语态一样，在句中可以作主语、宾语、定语、状语。动词-ing形式的被动语态1.Beingkilledbysharksintheseaisacommonthing.2.Beinghelpedoutbythekillerwhales,thewhalerswereabletomakesuccessfulkill.用作主语Hewasafraidofbeingscoldedbytheteacher.2.Irememberhavingbeentoldthestory.3.Ididn’tliketheideao

7、fbeingthrownaboutinaboatonaroughsea.用作宾语动词-ing形式的被动式在各句中作什么成分?1.Sobeingkilledbysharkswasacommonoccurrence.2.Hedidn’tmindbeingleftathome.3.Thatbuildingbeingrepairedisourlibrary.4.Beingprotectedbyathickwall,theyfelttheywerequitesafe.5.Havingbeengivensuchagoodcha

8、nce,howcouldsheletitslipaway?主语subject宾语object定语attributive状语adverbial状语adverbialV-ing形式既可作动词的宾语,也可作介词的宾语。★Thebirdescaped______________(catch).★Hewasafraidof_______________(abandon