Unit 3 Science versus nature 课件 21.ppt

Grammarandusage,Verb-edform,Unit3Scienceversusnature课件21,Analysisthefunctionofv-ingandto-infinitiveinthesentences.,1）Tosayisonething,todoisanother.2）Hiswishistobecomeanengineerinthefuture.3）Thewallneedstoberepaired.4）Findingworkisdifficultthesedays.5）Dontbeangrywithmefornothavingwritten.6）Whatdisappointingnews!7）Nothavingreceivedaletterfromhisparents,hedeciededtowriteagain.8）Ioftenhearhimsingingthissong.9）Thenewshetoldmejustnowissurprising!10）Theteachertoldthestudentnottobelateagain.11）Tocathchthefirstbus,wegotupat5a.m.12）Thebuildingtobebuiltnextyearwillbethetallestinthiscity.,Usecorrectformtofilltheblanks.,1）Theywentthere_(see)theirparentslastweekend.2)Canyouimagineyourself_(stay)onalonelyisland?3)_(collect)stampsisveryinteresting.4）Whowasthelastone_(leave)theclassroomlastnight.5)Heworkedhard,only_(fail)atlast.6)Noonecanstand_(laugh)at.7)Thelightintheofficeisstillon.Heforgot_(turn)itoff.9)_(notfinish)herhomework,thelittlegirlmaynotgotobed.10)Sincehehadnotreceivedherreply,hedecided_(write)asecondletter.,Verb-edform,1.Heisastudentlovedbyall.本句中loved是一个动词的_形式，在句子中充当_语。它的逻辑主语是_,它们之间是_关系。e.g.Therearesomefallenleavesontheground.Otherexamples:1)Theboyhurtbythecarwassenttothehospitalimmediately.=Theboy_bythecarwassenttothehospitalimmediately.2)Anislandisasmallpieceoflandsurroundedbywater.=Anislandisasmallpieceofland_bywater.,conclusion：_,2.Whenwillyougotothehospitalandhaveyourteethexamined?本句中的examined在句子中充当_语。其逻辑主语是_,它们之间是_关系。e.g.Shesawthethiefcaughtbypolicemen.Otherexamples:_2)_,conclusion：_,3.Writteninahurry,thisarticlewasnotsogood.这个句子中的writteninahurry在句子中充当_语，表_.其逻辑主语是_。他们之间是_关系。我们可以把这个句子改写成：Asitwaswritteninahurry,thisarticlewasnotsogood.e.g.1）SeenfromtheMoon,ourearthlookslikeahugeblueball.2）Givenanotherhour,Icanalsoworkoutthisproblem.他们可以分别改写成：_fromthemoon,ourearthlookslikeahugeblueball._anotherhour,Icanalsoworkoutthisproblem.,3）Beatenbytheenemy,herefusedtoletoutthesecret.4）Theteachercameout,followedbyagroupofstudent._bytheenemy,herefusedtoletoutthesecret.,以上句子中的过去分词都做_语，分别表示_,_,_,_。,conclusion：_,4.Hisparentsweredisappointedwhentheygotthenews.这个句子中的disappointed在句子中充当_语，说明主语的_。Otherexamples:1)_.2)_.,conclusion：_,SummaryTheverb-edformcanbeusedlikeanadjectiveoranadverbinasentence.Averb-edfromcanbeusedastheattributive,predicativeandobjectcomplement.Averb-edcanmodifyaverb,suchasstand,sitandlietoexpressastate.Theverb-edformcanexpresspassivemeaningsaswellaspastmeanings.,Practice:,a.Canyoufindthecorrecttranslationforthefollowingphrases?,落叶破杯子令人失望的学生你书中提到的地方发现车偷了流水,fallingleavesfallenleavesbrokencupsbreakingcupsdisappointedstudentsdisappointingstudentstheplacementioninginyourbooktheplacementionedinyourbookfindthecarstolenfindthecarstealingrunwaterrunningwater,b.Completethefollowingsentenceswiththecorrectform.,1._(found)in1636,HarvardisoneofthemostfamousuniversitiesintheUSA.2._(see)fromthetopofthetower,thesouthfootofthemountainisaseaoftrees.3._(walk)alongthestreet,hemetanoldfriendofhis.4.Withallhishomework_(finish),hewentouttoplaybasketball.5._(stop)theboygoingtoplaycomputergames,themotherlockedtheboyin.6._(give)moreattention,thetreescouldhavegrownbetter.7.Allthestudentssatintheclassroom,_(wait)fortheirteacher.8.When_(complete),themuseumwillbeopentothepublicnextyear.9.Whohadsuchalittlechild_(pick)wasteonthestreet?10._(lose)inthought,healmostranintothecarinfrontofhim.,非谓语动词充当相同的句子成分时用法区别。,1._(Smoke)isnotallowedhere._(smoke)somuchisnotgoodforyou.Theirjobisbuidinghouses.Theirworkistobuildanotherbridgeacrosstheriver.结论(1)：非谓语动词在句子中作_语时，一般说来，在表示比较抽象的一般行为时多用_；在表示具体的动作，特别是将来的动作时，多用_。,2.Iwant_(go)tothebarbersbecausemyhairwants_(cut).Hebegan_(talk)abouthisplanforsummerholiday.Ilike_(read)booksofthiskind,butIdontlike_(read)thatbook.Iprefer_(walk)tocycling,butIprefer_(stay)athometoday.结论(2)：非谓语动词在句子中作_语时，如果表示一般倾向，多用_；如指特定的或某次行动，则用_更多一些。,3.Isawhim_(go)upstairs.（动作全过程）Isawhim_(go)upstairs.（动作正在进行）-Donthaveme_(wait)foryououtsidetoolong?-Iwont.Ijusthavemyhair_(cut)结论(3)：非谓语动词在句子中作宾补时，.作现在分词时，表示动作正在进行发生用_，其含义相当于_；表示动作的整个过程用_；表示动作已经完成和被动意义用_。,4.Themeeting_（hold）lastweekisveryimportant.Themeeting_（hold）nowisveryimportant.Themeeting_（hold）tomorrowafternoonisveryimportant.结论(4)：非谓语动词在句子中作定语时，表示正在进行的动作，或表示经常性的动作,或现在(或当时)的状态时，通常都用_；所表示的动作在谓语所表示的动作之前发生，或者是没有一定的时间性，只表示被动意义时，通常都用_；表示还没有发生的或即将发生的动作，通常用_；其总是置于被修饰的名词之_。,5.Thenewswas_(excite).Heappeared_(satisfy)withmyanswer.Mytaskthisclassis_(teach)youhowtograspthegrammar.结论（5）：非谓语动词在句子中作表语时，表示主语所具有的特征或属性时，通常用动词的_；表示主语所处的状态或感受时，通常用动词的_。现在分词表示“令人的”，过去分词表示“感到”；_则表示某一次具体的行为，类似于作主语。,Everydayheclimbedtoahighrocknearhiscave_(keep)watch.19.Twoyearslater,herfatherdisappeared,never_(return).20.Imveryglad_(have)thisstampagain.21.Once_(leave)Germany,EinsteinwentfirsttoFrance,thentoBelgium.22._(Be)ashyman,Einsteindidntattendthegreatcelebration.23.Thetrainerappeared,_(follow)bysixlittledog.24._(give)moretime,Icandoitbetter.25._(weigh)almost100jin,thestonewasmovedbyhimalone.,结论(6):非谓语动词作状语时，不定式表_，_和_。分词可以表_,_,_,_,_和_，可以用相应的状语从句来改写。比如：21.Once_Germany,EinsteinwentfirsttoFrance,thentoBelgium.22._ashyman,Einsteindidntattendthegreatcelebration.24._moretime,Icandoitbetter.25._almost100jin,thestonewasmovedbyhimalone.结论（7）Verb-ing作状语时，与其逻辑主语，也就是句子的主语是_关系；Verb-ed作状语时，与其逻辑主语，也就是句子的主语是_关系。,【拓展练习】TaskThreeChoosethebestanswers.1._isbelieving.A.ToseeB.Tobeseen.C.Seeing.D.Tohaveseen.2._onice_moredifficultthanontheground.A.Towalk,areB.Walking,isC.Walked,isD.Walk,are3.It_45minutes_therebybus.A.cost,togetB.takes,gettingC.takes,togetD.takes,togetto4._wontbeofmuchhelp.A.TomsgoingB.TomgoingC.TomtogoD.Tomgoes5.Thereportwasso_thattheywereall_.A.moving,movingB.moved,movedC.moving,movedD.moved,moving,6.Helikes_,buthedoesntlike_todaybecauseitiscold.A.swimming,toswimB.toswim,swimmingC.toswim,toswimD.swimming,swimming7.Wemustntpretend_whatwedontknow.A.knowingB.havingknownC.toknowD.tobeknown8.Idontthinkthebookis_.A.worthbeingreadB.worthtobereadC.