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1、SubjectClause主语从句SubjectClause内容主语从句三要素主语从句定义SubjectClause内容主语从句三要素主语从句定义SubjectClauseFindouttheSubjectinthefollowingsentences:1.Atreehasfallenacrosstheroad.2.SheisfromChina.3.Tofindyourwaycanbeaproblem.4.Smokingisbadforyou.5.Whatshesaidisnottrue.6.Wheneveryouf
2、inishthetaskiscertainlyallright.名词代词不定式动名词句子句子SubjectClauseConclusion:Aclause(subordinateclause)whichservesassubjectofasentencecanbecalledSubjectClause.观察以下句子，注意主语从句的特点：Thattheearthtravelsroundthesunisa–well-knownfact.Whethertheartistcandoitornotisuncertain.Why
3、hediditremainsamystery.Whoeverbreaksthelawwillbepunished.SubjectClause内容主语从句三要素主语从句定义SubjectClauseSubjectClause主语从句的引导词从属连词：that,whether连接代词：who(ever),which(ever),what(ever)连接副词：where(ever),when(ever),why,howSubjectClause主语从句引导词的选择主要是根据从句的结构和意义来选择：1.连接词：that;wh
4、ether如果从句的意义和结构完整，则选用that或whether。-that本身没有意义，不作句子成分，只表示从句的开始，位于句首时，that不能省略.-whether表示“是否”，不作句子成分,位于句首。1）______peoplecutdowntoomanytressdestroyedthebalanceofnature._______wewillgocampingtomorrowdependsontheweather.________thesolidshapewouldlastornotisnotclear.
5、_______youwillwinthemedalseemsunlikely.ThatWhetherWhetherThat2.连接代词：who,which,what（什么，所…的）,whose,whomWhoever/whichever/whatever在主语从句中不含有疑问意义。如果从句的意义和结构不完整，根据从句的意义和结构选择相应的连接代词。连接代词在从句中起名词性作用，担当一定成分（主语、宾语、表语等）。SubjectClause1._________willtakepartinthemeetinghasno
6、tbeendecided.2._________studentwillwinfirstisuncertain.3._________Icantunderstandiswhyhehaschangedhismind.4._________failstoseethiswillmakeamistake.5.________ was said here must be kept secret.WhoWhichWhatWhoeverWhatever3.连接副词：where(ever),when(ever),why,how连接副词
7、when,where,why,how在从句中作(时间、地点、原因、方式)状语。1）___________weshouldleaveitisaproblem.2）___________hewillbebackdependsontheweather.3)__________thishappenedisnotcleartoanyone.4)_________theseGreekstatuesareinaBritishmuseumisanimportantpartofourstorytoday.SubjectClauseWh
8、ereWhenHowWhy总结做题突破方法三部曲一、首先分清主句和从句二、分析从句缺何种成分三、根据分析，选择恰当的连接词SubjectClauseeg.____________theywouldsupportuswasaproblemWhether内容主语从句定义SubjectClause主语从句三要素主语从句的考查难点主语从句的考查难点主语
