大学英语语法14宾语从句和同位语从句PPT推荐.ppt

大学英语语法14宾语从句和同位语从句PPT推荐.ppt

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1）Objectclause2）AppositiveclausesWriting:

Correcting:

MixedConstructionMixedConstructionRewriting:

VarietyinsentencelengthVarietyinsentencelength1.Objectclauses1.ObjectclausesWhenanounclausefunctionsasanobject,itiscalledWhenanounclausefunctionsasanobject,itiscalledananobjectclauseobjectclause.Objectclausesusuallybeginwithsubordinating.Objectclausesusuallybeginwithsubordinatingwordslikewordslikehow,why,what,where,when,who,which,whose,how,why,what,where,when,who,which,whose,whether,if,that,whether,if,that,etc.Nocommaisneededwhentheobjectetc.Nocommaisneededwhentheobjectclausesareusedinthecomplexsentences.clausesareusedinthecomplexsentences.WhywashewantedbythepoliceWhywashewantedbythepolice？

Danielwonderedthereason.Danielwonderedthereason.DanielwonderedDanielwonderedwhyhewaswantedbythepolice.whyhewaswantedbythepolice.Hasanydecisionbeenmade?

Hasanydecisionbeenmade?

Doyouknowthequestion?

DoyouknowDoyouknowwhether/ifanydecisionhasbeenmadewhether/ifanydecisionhasbeenmade?

Heishonest.Heishonest.Noonedoubtsit.Noonedoubtsit.NoonedoubtsNoonedoubtsthatheishonestthatheishonest.NounclausesthatfunctionasobjectsofNounclausesthatfunctionasobjectsofprepositionsarenamedobjectclausestoo.prepositionsarenamedobjectclausestoo.Canwesucceed?

Canwesucceed?

Thequestiondependsonthis.Thequestiondependsonthis.Howwelldowecooperate?

Howwelldowecooperate?

WhetherwecansucceeddependsWhetherwecansucceeddependsononhowwellwehowwellwecooperatecooperateShewalkeduptotheplace.Shewalkeduptotheplace.Istoodattheplace.Istoodattheplace.ShewalkedShewalkeduptouptowhereIstood.whereIstood.1.Aslongasthemainclausesverbisinneitherthepast1.Aslongasthemainclausesverbisinneitherthepastnorthepastperfecttense,theverbofthesubordinatenorthepastperfecttense,theverbofthesubordinateclausecanbeinanytensethatconveysmeaningclausecanbeinanytensethatconveysmeaningaccurately.accurately.BothofthemwillknowBothofthemwillknowthattheyhavemadearightthattheyhavemadearightchoice.choice.TheteachertellsusTheteachertellsuswhenwewillpayavisittoMr.whenwewillpayavisittoMr.Jackson.Jackson.2.Ifthemainverbofasentenceis2.Ifthemainverbofasentenceisinthepastorpastinthepastorpastperfect,perfect,thenverbsthenverbsinthesubordinateclauseinthesubordinateclausemustalsomustalsoexpressapastviewpoint.expressapastviewpoint.SheaskedmeSheaskedmewhereIwasofftowhereIwasoffto.IwonderedIwonderedhowhecouldmakesuchrapidprogressinhowhecouldmakesuchrapidprogressinhisstudyofFrench.hisstudyofFrench.3.Ifthesubordinateclauseexpresseswhatiscommonlyknown3.Ifthesubordinateclauseexpresseswhatiscommonlyknownasaasageneraltruthorfact,generaltruthorfact,simplepresenttenseisusedevensimplepresenttenseisusedeventhoughthoughthemainverbofasentenceisthemainverbofasentenceisinthepastorpastinthepastorpastperfect:

perfect:

ColumbussomehowknewColumbussomehowknewthattheworldthattheworldisisround.round.TheteachertoldthestudentsTheteachertoldthestudentswhythecomputerwhythecomputerisisawonderfulawonderfulmachine.machine.4.Ifthereisaspecificpasttimeintheclause,pasttenseisused4.Ifthereisaspecificpasttimeintheclause,pasttenseisusedeventhoughtheactionoftheobjectclauseoccursbeforetheeventhoughtheactionoftheobjectclauseoccursbeforetheactionofthemainclause.actionofthemainclause.ShetoldherstudentsShetoldherstudentsthattheEnglishChannelthattheEnglishChannelwaswasofficiallyofficiallyopenedopenedonMarch7,1994.onMarch7,1994.NooneknowsNooneknowshowtheHousesofParliamenthowtheHousesofParliamentwasburnedwasburneddownin1834.downin1834.IneverydayEnglish,especiallyspokenEnglish,theIneverydayEnglish,especiallyspokenEnglish,thewordwordthatthatisusuallyomitted.But,thesubordinatingisusuallyomitted.But,thesubordinatingwordwordthatthatcannotbeomittedinthefollowingcases:

cannotbeomittedinthefollowingcases:

1）whentherearetwoormoreobjectclause;

HesaidHesaidthatthathecouldnttellyourightawayhecouldnttellyourightawayandandthatthatyouyouwouldntunderstand.wouldntunderstand.2）whenthereisaparenthesisbetweenthepredicate2）whenthereisaparenthesisbetweenthepredicateverbofthemainclauseandtheobjectclause;

verbofthemainclauseandtheobjectclause;

JustthenInoticedJust