高中英语中六大从句用法总结

《高中英语中六大从句用法总结》由会员分享，可在线阅读，更多相关《高中英语中六大从句用法总结（4页珍藏版）》请在装配图网上搜索。

1、英语中六大从句用法总结1. 主语从句1）主语从句可直接位于主语的位置，如果从句较长，谓语又较短，可用it作形式主语，而将从句放在句末。常见的句型有：*Itisafactapityaquestiongoodnewsthat.*Itseemsappearshappenedhasturnedoutthat.*Itisclearimportantlikelypossiblethat.*Itissaidreportedestimatedhasbeenprovedthat.Itissaidthatcomicbookscreateaconnectionbetweenpeopleofthesamegenera

2、tion.Itseemsthattheperformanceisveryuseful.2）what引导的主语从句表示“.的东西时”，一般不用it作形式主语。Whatwelackisexperience.3）what,who,when,why,whether等词含有各自的疑问意义，但它们引导的主语从句，都用陈述语序。Howtheplanistobecarriedoutshouldbediscussedagain.IdidknowwhyIfeltlikecrying.2. 宾语从句1）宾语从句可位于及物动词、介词和某些形容词后。连词that常可省略。介词后一般接疑问词引导的宾语从句。inthat（

3、因为）,exceptthat（除了）,butthat（只是）已构成固定搭配，其他介词后一般不接that引导的宾语从句。*IpromisedthatIwouldchangethesituation.*AllthisisdifferentfromwhatAmericanyoungpeoplewouldsayaboutfriendship.*Heiscertainthatwatchingsomuchtelevisionisnotgoodforchildren.*Thisarticleiswell-writtenexceptthatitisabittoolong.2）宾语从句后如有宾补，要用形式宾语i

4、t来代替，而把宾语从句移至宾补之后。Hehasmadeitclearthathewouldnotchangehismind.3）在think,believe,suppose,expect等动词后的宾语从句中，如果谓语是否定的，一般将否定词移至主句谓语上，宾语从句则变成肯定形式。Hedidntthinkthatthemoneywaswellspent.3. 表语从句表语从句出现在结构为“主语+系动词+表语从句”的句子中。表语从句除可用that,what,when,why,whether,how等引导外，还可由because,asif（though）等引导。that常可省略。如主句主语为reaso

5、n,只能用that引导表语从句，不可用because.PerhapsthemostimportantthingtorememberisthatthereisnoonecommontypeoflifeinAmerica.Thereasonwhysomanypeoplediedthereisthattherewerenotenoughfoodsupplies.Itlooksasifsuccessfulinternationalculturalcommunicationwillmaketheworldsmaller.4. 同位语从句同位语从句用于对前面出现的名词作进一步说明，一般用连词that引导，

6、由于先行名词的意义不同，也可用whether,who,when,where,what,why,how等引导。常见的先行名词有fact,idea,belief,news,hope,conclusion,evidence,suggestion,order,problem,report,decision.有时由于谓语较短，将同位语从句位于谓语之后。Shefinallymadethedecisionthatshewouldjointhefashionshow.IhadnoideahowmanybooksIcouldborrowatatime.Thenewscamethattheirteamhadwon

7、thechampionship.5. 定语从句定语从句所修饰的先行词可以是名词或代词，也可以是一个句子。定语从句通常位于先行词之后，由关系代词或关系副词引导。*限制性定语从句限制性定语从句修饰先行词，对先行词起修饰作用，紧接先行词之后，无逗号，若省去，原句意思不完整。引导定语从句的关系代词有who,whom,whose,which,that等。who,whom,whose用于指人，whose有时也可指物，相当于ofwhich；which用于指物；that既可指人也可指物，但只用于限制性定语从句中。关系代词除了引导定语从句，替代先行词外，还在从句中担任主语、宾语、定语等。Thecomputers

8、andcableswhichmakeuptheInternetareownedbypeopleandorganizations.Thosewholivealoneorwhoaresickmayhavetroubleingettingclosetootherpeople.Thegirlwhoseparentsdiedinanaccidentislivingwithhergrandmother.1) 当先行词是all,anything,everything,something,nothing等不定代词或先行词前有first,last,any,few,much,some,no,only以及形容词最高

9、级修饰时，只能用关系代词that引导从句。ThatisallthatIveheardfromhim.HesthefirstpersonthatImgoingtointerviewthisafternoon.2) 关系代词的省略在从句中作宾语的关系代词常可省略。关系代词紧跟介词，作介词宾语时不可用that，只可用which或whom引导从句，并且不可省略，但当介词位于宾语从句句末时，作为介词宾语的关系代词仍可用that，也可省略。Thisisoneofthosethingswithwhichwehavetoputup.Thisisoneofthosethings(whichthat)wehave

10、toputupwith.3) 引导定语从句的关系副词有when,where,why等。关系副词在从句中作状语，意义上相当于一个“介词+which”的结构。Evenincomicbookswhere(=inwhich)therearenowords,thestoriesarefullyexpressedthroughthedrawings.Nooneknowsthereasonwhy(=forwhich)hewassoangrythatday.5.定语从句*非限制性定语从句非限制性定语从句既可修饰先行词，也可修饰整个主句，起补充说明作用，与主句之间有逗号隔开，若省去，原句意思不受影响。不可用th

11、at引导非限制性定语从句。关系词不可省略。Everyobjecthasagravitationalpull,whichisratherlikemagnetism.* “介词+whichwhomwhose”引导的定语从句“介词+whichwhomwhose”可引导限制性定语从句，也可引导非限制性定语从句，该结构中介词的选择取决于从句谓语动词的固定搭配，或先行词的习惯搭配。ThisisthecomputeronwhichhespentallhissavingsItiswrittenbyapersonwithwhomweareallfamiliar.*as引导的定语从句as引导的定语从句主要用于su

12、ch.as”及thesame.aS的结构中，代替先行词是人或物的名词。as引导非限制性定语从句时，代替整个主句，从句可位于主句之前、之后或中间。Thesearenotsuchproblemsascanbeeasilysolved.(as代替先行词problems)Asismentionedabove,nosinglecompanyorgroupcancontrolwhathappensontheInternet.(as代替主语)6. 状语从句* 时间状语从句引导时间状语从句的从属连词和词组有：1) when,whenever,while,as,after,before,since,till,u

13、ntil,once等。Wehavelearntquitealotaboutitsincewecamehere.2) assoonas,hardly(scarcely).when,nosooner.than,each(every)time,themoment,immediately(that)等。AssoonasIsentane-mailmessage,Ireceivedpositiveresponses.Themomentheheardthegoodnews,hejumpedwithjoy.*地点状语从句引导地点状语从句的连词是where,wherever.Wherevershewent,sh

14、etookherlittledaughterwithher.*原因、结果和目的状语从句1)引导原因状语从句的从属连词有：because,as,since,now(that),seeingthat,consideringthat,inthat等。Consideringthatheisafreshman,wemustsayheisdoingwell.2)引导结果状语从句的连词有：so.that,such.that,sothat,that,so等。MickeyMouseissoattractivethatthechildrenarereluctanttoleave.3) 引导目的状语从句的连词有：s

15、othat,inorderthat,forfearthat,lest等，从句常使用may,might,can,could,would等情态动词。Wegotupearlythismorningsothatwecouldcatchthefirstbustotherailwaystation.*条件和让步状语从句1)引导条件状语从句的连词和词组有if,unless,as(so)longas,onconditionthat,incase,provided(providing)that,supposing等。Aslongasyouhavetherightequipment,youcanuseatelep

16、honelinetotransmitcomputerdata.2)引导让步状语从句的连词和词组有though,although,whether,eventhough,evenif,nomatterwhat(when,how.),whatever(whenever,wherever,however)等。though,evenif等引导状语从句可转换成含有as的部分倒装结构，具有强调意义。其结构为“形容词(副词、动词、名词)+as+主语+谓语”。Nomatterwhatyoumaysay,Iwouldnotchangemymind.Youngasheis,heisquiteexperiencedinthiswork.(=thoughheisyoung)Childasheis,hecanspeakEnglishfluently.(=thoughheisachild)*方式状语从句引导方式状语从句的连词有as,justas,asif,asthough等。asif,asthough引导的状语从句中，谓语动词常用虚拟语气，表示与事实相反。Theyoungmanmadetheexperimentjustastheteacherhadtaughthim.Everythingwentonasusualasifnothinghadhappened.