人教新课标选修7unit3语法课件.ppt

ing-形式被动式讲与练语态时态(二)现在分词的用法现在分词可在句中作定语和状语。1.作定语现在分词作定语时多置于它所修饰的名词前:Thesleepingbabayiscute.现在分词短语一般皆置于其修饰的名词之后:Alittlechildlearningtowalkoftenfalls.Themenworkinghereareallfromtheruralareas.(1)表示时间Climbingtothetopofthetower,wesawbeautifulview.Walkingalongthestreet,shesawalittlegirlrunninguptoher.SeeingTom,Icouldn’thelpthinkingofhisbrother.(2)表示原因Beingsick,Istayedathome.Knowingthathewastired,Itoldhimtohavearest.(3)表示条件Playingallday,youwillwasteyourvaluabletime.(4)表示让步Admittingthatshetried,Istillthinkthatshehasn'ttriedherbest.(5)表示结果Itrainedheavily,causingseverefloodinginthatcountry.(6)表示方式或伴随情况Theboyrunaway,laughing.完成形式2．动词-ing的被动式的用法(1)作主语Beingofferedsuchajobwasgoodluck．被给予这样一份工作是好运气。Beingkilledintrafficaccidentsisacommonoccurrence．交通事故导致死亡是常有的事。BeingselectedChairmanofthepartymadehimfeelproud．被选为主席，他很自豪。(2)作宾语①Hedislikesbeinginterruptedinhisexperiment．他不喜欢在做实验时被人打扰。②Theycouldn'tstandbeingtreatedlikethat．他们不能忍受别人那样对待他们。③Shedoesn’trememberhavingeverbeengivenachancetogoabroad．她不记得曾给过她出国的机会。④Hecameinwithoutbeingasked．没有让他进来,他就进来了。⑤Hewasafraidofbeingleftathome．他害怕被留在家里。Iheardofhishavingbeenchosentobethecoachoftheteam．我听说他被选为该队的教练了。注意：在want，need，deserve，require，等动词及beworth后，习惯用动词-ing的主动形式表示被动意义。如：Thehousewantscleaning．这房屋需要打扫。Mywatchneedsrepairing．我的手表需要修理。Thewaydeservesmentioning．这个方法值得一提。Theseyoungtreeswillrequirelookingaftercarefully．这些小树需要细心照顾。Thefilmisworthseeing．这部影片值得一看。(3)作定语1.Thebuildingbeingrepairedisourdormitory．2.Thequestionsbeingdiscussedareofgreatimportance．3.Thatbuildingbeingrepairedisourlibrary.(4)作宾语补足语①Ioftenwatchthetrucksbeingloadedwithcoal．②Isawhimbeingtakenawaybythepolice．③Onecouldhearallkindsofthingsbeingdiscussedthere．④Asweenteredthevillage,wesawnewhousesbeingbuilt.(5)作状语⑴Havingbeenwarnedabouttyphoon，thefishermensailedforthenearestharbour．听到台风警报，渔民们便驾船向最近的港口驶去。⑵Havingbeenaskedtostay，Icouldn'tverywellleave．人家请我留下，我就不好意思离开了。⑶Havingbeengivensuchagoodchance，howcouldyouletitslipaway?人家给了你这样一个好机会，你怎能轻易放过?1．______thatitwasgoingtosnow，theclimbersdecidedtoputo