Unit4-主语从句.ppt

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

SubjectClauses主语从句划出下列复合句的宾语从句与表语从句。1.Jemmybelievesthathewillwinthegame.2.Iwonderifyoucouldanswerafewquestionsaboutthesurvey.3.MayIaskwhatclassyouarein?4.Ithinkitimportantthatwealltrytoprotecttheenvironment.5.Thefactisthatheearnedhislivingbytakingtwopart-timejobs.6.That’swhyhehascomehere.__________________________________宾从_____________________________________________________________________宾从__________________________________宾从________________________________________________________宾从______________________________________________________________________表从________________________________表从2.位置:及物动词或介词后3.引导词:4.语序:陈述句语序根据成分和意义确定缺什么填什么--Mayweaskwhatyouaredoing.1.定义:充当宾语的从句宾语从句2.位置:系动词后3.引导词:4.语序:陈述句语序根据成分和意义确定缺什么填什么1.定义:充当表语的从句Thequestioniswhothemanis.表语从句3.Tofindyourwaycanbeaproblem.2.Smokingisbadforyou.1.Youareastudent.Findoutthesubjectforeachsentence.4.Atreehasfallenacrosstheroad.5Whatitwastobecomewasuncertain.6whytheysuddenlydisappearedremainsamystery.7whetherlifewillcontinueontheearthwilldependonwhetherthisproblemcanbesolved.___________________________________________________________________________________________________________________________________3.Tofindyourwaycanbeaproblem.2.Smokingisbadforyou.1.Youareastudent.名词,代词,V-ing,动词不定式4.Atreehasfallenacrosstheroad.5Whatitwastobecomewasuncertain.6whytheysuddenlydisappearedremainsamystery.7whetherlifewillcontinueontheearthwilldependsonwhetherthisproblemcanbesolved.______________________________________________________________________________________________________________________句子做主语-----主语从句8.Itwasnotimmediatelyobviousthatwaterwastobefundamentaltothedevelopmentoflife.Thatwaterwastobefundamentaltothedevelopmentoflifewasnotimmediatelyobvious___________________________________________________________________________________________形式主语真正主语II主语从句主语从句在句中充当主语的从句叫做主语从句。1.主语从句:从句在句中充当主语成分1).Thathewillsucceediscertain.2)Whetherhewillgothereisnotknown.3)Howwecanhelpthetwinswillbediscussedatthemeeting.1.引导主语从句的连接词有三类:1)从属连词:that,whether.that,whether引导主语从句只起引导作用,本身无实际意义,在主语从句中不充当任何成分,但不能省略。Whetherwegobytrainorbyboatmakesnodifference.Whetherhe’llcomehereisn’tclear.Thatpricewillgoupiscertain.由whether和that引导的主语从句放在句首,句后都可。Whetheritwillpleasethemisnoteasytosay.Itisnoteasytosaywhetheritwillpleasethem.Whatshedidisnotyetknown.Whowillwritethepoemhasnotbeendecidedyet.Whateverhedidisright.(2)连接代词who,whom,whose,what,which,whoever,whatever,whichever等在从句中作主语、宾语、表语和定语3)连接副词where,when,how,why等,在从句作状语,表时间、地点、方式和原因等Howthishappenedisnotcleartoanyone.Whenhewillbebackdependsontheweather.Howthepyramidswerebuiltisstillamystery.主语从句后置!为了避免主语冗长,句子头重脚轻,经常用it作形式主语,主语从句放在后面作真正的主语.例:Thatweshallbelateiscertain.--It’scertainthatweshallbelate.1.Thattheearthisroundisknowntoall.--2.Thatyoumissedthechanceisapity.--Itisapitythatyoumissedthechance.It’sknowntoallthattheearthisround.A.It+be+形容词(obvious,true,natural,surprising,good,wonderful,funny,possible,likely,certain,probable,etc.)+that从句。如:Itiscertainthatshewilldowellinherexam.B.It+be+名词词组(nowonder,anhonour,agoodthing,apity,nosurprise,etc.)+that从句。如:It’sapitythatwecan’tgo.2.用it作形式主语的结构C.It+be+过去分词(said,reported,thought,expected,decided,announced,arranged,etc.)+that从句。如:ItissaidthatMr.GreenhasarrivedinBeijing.D.It+seem,happen等不及物动词及短语+that从句。如:IthappenedthatIwasoutthatday.E.It+doesn’tmatter(makesnodifference,etc.)+连接代词或连接副词引起的主语从句。如:Itdoesn’tmatterwhethershewillcomeornot.注意:1.Whatyouleftareonlyseveraloldbooks.2.Whatyousaidisofgreatimportance.3.Whetherhe’llcomehereisnotclear.1.“if”不能引导主语从句,应有“whether”引导。3.主语从句的“that”一般不能省。4.“what”引导主语从句时,谓语动词:1)常与其后的名词作表语一致2)根据句子的语境而定。4.主语从句需注意的问题2.主语从句中用陈述语序1)_____yousaidyesterdayisright.2)_____sheisstillaliveisaconsolation(安慰).3)_____helostthebikeworriedhimalot.what与that在引导主语从句时的区别whatThatThat4)_____causedtheaccidentremainsunknown.5)_____mademattersworsewas____nightbegantofall.6)_____wecan’tgetseemsbetterthan______wehave.WhatWhatthatWhatwhat主语从句的引导词和______从句_____从句的引导词基本一致,引导词的作用同样没有改变:1that:在名词性从句中,只起到引导和连接作用,没有意思,在_____从句和_____从句中不能省略.2.引导主语从句的“是否”是引导词___________3what,who,whom,which在名词性从句中充当___,___或___;whose一般充当____.宾语表语表语主语whether主语宾语表语定语4when,where,why,how在名词性从句中充当_____,表示时间,地点,原因,方式.5.whatever,whenever,wherever,whichever,whoever,whomever…是强调说法,不表示疑问.状语怎样判断连接词与连接代词?★判断主从句★划分从句成份,判断是否缺成份或从句意义是否完整1.从句意义完整,选用连接词(that,whether,if)2.从句缺名词性成份(主语,宾语,表语,定语),选用连接代词(what,who,whose,whatever,whoever,whom,which).3.从句缺状语,就选用连接副词(when,where,how,why,whenever,wherever,however)★选用连接词时不仅要判断句子成份,还要注意语义.1._____makesthisshopdifferentisthatitoffersmorepersonalservices.2.AfterYangLiweisucceededincirclingtheearth,_____ourastronautsdesiretodoistowalkinspace.3.____isourbeliefthatimprovementsinhealthcarewillleadtoastrongereconomy.1.用适当的连词或it填空。随堂练习WhatwhatIt4.Ihavealwaysbeenhonestandstraightforward,anditdoesn’tmatter_____I’mtalkingto.5.______issuggestedthatyoushouldnottellotherpeoplethepasswordofyoure-mailaccount.随堂练习Itwho1.用适当的连词或it填空。6._____hesolvedthedifficultproblemsoquicklyisstillunknown.7._____hejumpedfromthehighbuildinglastnightisth

1 / 35
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功