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1、Unit3GrammarRevise thePassiveVoiceof—ingForm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：Footballisplayedallovertheworld．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？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)havingbeendoneV-ing形式由“do＋ing”构成，其否定形式是“notdoing”,V-ing可以带
2、宾语或状语构成V-ing短语，没有人称和数的变化，但有时态和语态的变化。V-ing形式当动词-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形式的被动语态和它的主动语态一样，在句中可以作主语、宾语、表语、定语、状语宾补。动词-ing形式的被动语态当动词-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？1.Beingkilledbysharksintheseaisaco
3、mmonthing.2.Beinghelpedoutbythekillerwhales,thewhalerswereabletomakesuccessfulkill.1.用作主语______tosunlightfortoomuchtimewilldoharmtoone’sskin.(上海高考题2002) A.ExposedB.Havingexposed C.BeingexposedD.Afterbeingexposed分析：本句中expose与one’sskin是动宾关系，根据句意，应该是皮肤被暴露在阳光下，所以要用动词-ing形式的被动形式作
4、主语，故答案为C。Hewasafraidofbeingscoldedbytheteacher.2.Irememberhavingbeentoldthestory.3.Ididn’tliketheideaofbeingthrownaboutinaboatonaroughsea.2.用作宾语V-ing形式既可作动词的宾语,也可作介词的宾语。★Thebirdescaped______________(catch).★Hewasafraidof_______________(abandon)byus.beingabandonedbeingcaught在avoid,admit,a
5、ppreciate,complete,consider,delay,enjoy,escape,excuse,finish,forgive,imagine,mind,miss,practise,risk,suggest,giveup,putoff,feellike,insiston等后只接V-ing形式作宾语。注意3.作表语☆Teachingislearning.教学相长。☆Whatworriedthechildmostwas_________________(not,allow)tovisithismotherinthehospital.notbeingallowed、
6、Theproblembeingdiscussednowisveryimportant.2.Thehousebeingbuiltwillbeourlibraryuponitscompletion.4.用作定语1.Beingaskedtoanswerthequestion,shecouldn’trefuse.2.Havingbeengivensuchagoodchance,howwouldyounotvalueitatall?5.用作状语—Ving一般时和一般时的被动形式;(1)Hehurriedhome,lookingbehindfromtimetotime.(2)The
7、buildingbeingrepairedisourdormitory.Compare—Ving的完成时和完成时的被动形式(1)Havingheardthis,ourteacherexpressedhersatisfaction.(2)Havingbeenaskedtostay,Icouldn’tleave.Compare6.作宾语补足语:●Iheardher________(sing)asonginherroom.●You’llfindthetopic_______________(discuss)everywherenow.being
