大学英语语法11-定语从句ppt课件.ppt

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1、大学英语语法11-定语从句大学英语语法11-定语从句大学英语语法11-定语从句Unit11Clause:AdjectiveclausesGrammar:AdjectiveclausesWriting:Correcting:LackofSubject-VerbAgreementRewriting:Inter-sentencecoherenceUnit11Clause:AdjectiveclausesGrammar:AdjectiveclausesWriting:Correcting:LackofSubject-VerbAgreementRewriting:Inter-sentenc

2、ecoherenceClausesTherearetwokindsofclauses:mainclauseandsubordinateclause.Amainclause(orasimplesentence)containsacompletethoughtandthereforecanstandaloneasasentence.Everysentencemustcontainatleastonemainclause(MC).Wewaitedforhalfanhour.Nothinghappened.Wewaitedforhalfanhour,butnothinghappened

3、.Asubordinateclausealsohasasubjectandapredicate,butitcannotstandalonetomakesense.Itneedsamainclausetocompleteitsmeaning.Asubordinateclauseisusuallyintroducedbysubordinatingconjunctionsorrelativepronouns.Thesunhadset.Wereturnedtoourhotelatonce.Assoonasthesunhadset,wereturnedtoourhotelatonce.N

4、owheknewit.HewouldbeabletoreachtheSouthPole.TheSouthPolewas300milesaway.HenowknewthathewouldbeabletoreachtheSouthPole,whichwas300milesaway.1.FunctionsandformsAnadjectiveclauseisasentenceclausethatmodifiesanounorapronounasanadjectivedoes.Bothrelativepronouns(who,whom,whose,thatandwhich)andthe

5、subordinatingconjunctions(where,whenandwhy)maybeusedasintroducerstobeginadjectiveclauses.Dorememberthatintroducersplayrolesintheadjectiveclausesandrelativepronounsreplacethenounthattheadjectiveclausesmodify.Anoun+anadjectiveclauseIntroducer+(subject)+predicate+…Hepickedupalongpipe.Thepipewasc

6、overedwithcoins.Hepickedupalongpipewhichwascoveredwithcoins.(which=pipe,asasubjectoftheadjectiveclause.)Hecaughtsightofafigure.Heimmediatelyrecognizedit.Itwasourlocalgrocer.Hecaughtsightofafigurewhomheimmediatelyrecognizedasourlocalgrocer.(whom=figure,asanobjectoftheadjectiveclause.)Whydidh

7、efail?Thereasonisstillobscure.Thereasonwhyhefailedisstillobscure.(why=forwhich;which=reason;asanadverbialoftheclause.)Icannotremembertheday.Atthatday,theygotengaged.Icannotrememberthedaywhentheygotengaged..(when=atwhich;which=day;asanadverb