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1、ThePredicativeClause表语从句1、表语从句的定义：表语从句放在连系动词之后，充当复合句中的表语。Thequestioniswhowilldoit.系动词表语从句2.表语从句的构成主语+系动词+引导词+简单句Thisiswhyhedidit.表语从句放在系动词之后，充当复合句中的表语。WhatIwanttosayisthatIamtired语序：有疑问词/引导词+陈述语序That'swhathewants. 那是他想要的。Thisiswheretheyoncelived. 这就是他们曾经住过的地方。3.接表语从句的系动词：1
2、:be（being,been,am,is,are,was,were)2:feel,seem,look,appear,sound,taste,smell3:stand,lie,remain,keep,stay4:become,get,grow,turn,go,come,run,fall5:prove,turnout4.接表语从句的引导词连接词：that/whether/asif/asthough(if不引导表语从句)连接代词：who(ever)/whom/whose/which(ever)/what(ever)连接副词：when/where/
3、why/how/because5.引导词的用法（一）that在表语从句中,又。既不充当成分没有意义不能省略Thefactisthathehasn’tyetrecoverfromillness.Thereasonwhyhehastogoisthathismotherisillinbed.1.名词主语+be+that引起的表语从句主语名词常常是表示事实，真理的名词，如：fact,truth表示看法，观点、问题、麻烦的名词，如：idea,opinion,belief,view,news,advice,feeling,suggestion,plan
4、,trouble,question,problem,1.Thefactisthatourteamhaswonthegame.2.Thetruthisthatshewastheverypersonwearelookingfor.注意(2)表示“建议，劝说，命令”的名词idea,suggestion,request,proposal等后面的表语从句中，谓语动词用“（should）+动词原形”，should可省略Myopinionisthatit’sgettingbetterandbetter.Mysuggesstionisthatwe(shou
5、ld)startearlytomorrow.whether在表语从句中表,但不充当句子的成分。if引导表语从句.如:Whatthedoctorreallydoubtsiswhethermymotherwillrecoverfromtheseriousdiseasesoon.Thequestioniswhetheritisworthdoing.“是否”不能5.引导词的用法（二）what在表语从句中充当______________表示____________________________.1.Thequestioniswhatcausedth
6、eaccident.2.Thatmountainisnolongerwhatitusedtobe.3.Whathetoldyouwaswhathadbeendiscussedatthemeeting.主语、宾语或表语什么，什么样子，或所…的（人或事）5.引导词的用法（三）who在表语从句中充当______________表示____.Theproblemiswhocoulddothework2.Mytroubleiswho(whom)Icanturnto.主语、宾语或表语谁5.引导词的用法（四）which在引导表语从句时,常充当______
7、_______表示。如：Ireadaboutitinsomebookoranother,butwhatIdon’tknowiswhich(book)itis.定语,表语其中哪一个5.引导词的用法（五）where,when,why,how引导的表语从句连接副词where,when,why,how除在句中起连接作用外，在从句中还充当时间、地点、方式、原因状语，本身具有词义。e.g.That’swhereIcan’tagreewithyou.ThisiswhySarawaslateforthemeeting.Thisishowtheyoverco
8、methedifficulties.MystrongestmemoryiswhenIattendedanAmericanwedding.5.引导词的用法（六）asif,astho
