[语法综合讲解与练习]名词性从句课件.ppt

[语法综合讲解与练习]名词性从句课件.ppt

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时间:2020-01-15

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1、名词性从句NOUNCLAUSESsnowingfox在复合句中起名词作用的从句叫做名词性从句。名词性从句主语从句表语从句宾语从句同位语从句连接代词who,whom,whose,which,what,whatever,whoever,whichever,whomever连接词that,whether,if,asif/asthough(不充当从句的任何成分)引导名词性从句的关联词连接副词how,why,when,wherehowever,wherever,whenever,how构成的短语,(howmany/much/Long/soon/

2、often…)在名词性从句中一律用陈述句的语序,即使从句表达的是疑问含义。Theproblemiswhathehasdonetothelittleboy.问题是他对那个小男孩做了些什么。1.主语从句在句中作主语的句子叫主语从句。主语从句通常由从属连词that,whether和连接代词what,who,which,whatever,whoever以及连接副词how,when,where,why等词引导。1.that在从句中无词义,只起连接作用;连接代词和连接副词在句中既保留自己的疑问含义、又起连接作用,在从句中充当成分。Thatwemu

3、stmasterEnglishwordsasmanyaspossibleisveryimportant.Whowillwinthematchisstillunknown.WheretheEnglisheveningwillbeheldhasnotyetbeenannounced.Thathestoleabikewastrue.Whathewantstotellusisnotclear.单个的主语从句作主语时,谓语动词用单数形式。如果是两个或两个以上的主语从句作主语,谓语动词则用复数形式。Whereandwhenhewasbornhas

4、notbeenfound.Whenthepersonwasmurderedandwhyhewasmurderedarestillunknown.有时为避免句子头重脚轻,常用it代替主语从句作形式主语放于句首,而把主语从句置于句末。主句的谓语动词一般用单数形式。常用句型如下:1)It+be+名词+that从句afact,agoodidea,anhonor,amystery,aquestion,apity,ashame,apleasure,awonder,challenge,commonknowledge,fun,progress.Iti

5、sacompletemysteryhowtheprisonerescaped.Itiscommonknowledgethatthewhaleisnotfish.2)It+be+形容词+that从句Amazing,appropriate,better,certain,clear,evident,good,important,likely,lucky,unlikely,Probable,natural,necessary,plain,possible,true,wrong.Itiscertainthatyoursonwillwininhi

6、sexamination.Itisverydifficultwhatyouadoning.3)It+不及动词+that从句Appear,follow,happen,matter,occurtosb,seem.Itnowappearsthattheyareinurgentneedofhelp.IthappenedthatIwasnottherethatday.Itsuddenlyoccurredtohimthatthekeysmightbeleftinthecar.4)It+be+动词的过去分词+that从句accepted,admit

7、ted,announced,arranged,believed,decided,demanded,estimated,expected,found,hoped,known,noted,pointedout,proved,reported,rumored,said,seen,shown,stressed,suggested,unknown.Itisknowntoushowhebecameawriter.Ithasnotbeendecidedwhowillperformtheoperation.Itmustbekeptinmindthat

8、theoryiscombinedwithpractice.Itisapitythat…it’sashamethat…It’snowonderthat…Itissuggestedthat…It’srequestedthat

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