高二英语名词性从句讲解.ppt

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1、英语名词性从句NounClause起名词性作用的从句，叫名词性从句。换言之，在英语的句子结构中，本来该由名词充当的主语、宾语、表语和同位语部分，换由一个句子来充当，这样的句子就是名词性从句。请思考定语从句的定义：起定语作用，用来修饰名词或代词的从句。名词性从句定义4、同位语从句(appositiveclause)名词性从句分类1、主语从句(subjectclause)2、表语从句(predicativeclause)3、宾语从句(objectclause)1、Englishisveryusefulfor

2、us.2、ThesubjectIaminterestedinisEnglish.3、WeneedtomasterEnglishwell.4、Hewanttolearnthelanguage,English.请思考：(主语)(宾语)(表语)(同位语)MydreamisthatIcanenterakeyuniversity.ThatIcanenterakeyuniversityismydream.IhaveadreamthatIcanenterakeyuniversity.IalwaysdreamthatI

3、canenterakeyuniversity.主语从句表语从句宾语从句同谓语从句辨别不同的从句when、why、where、how引导词that、if、whetherwho、whom、what、which、whose、whoeverwhomever、whatever、whichever、从属连词：连接代词：连接副词：名词性从句引导词的用法（1）：从属连词“that”“if/whether”1、Thatwewillrealizeourdreamsinthefutureiscertain.2、Thefact

4、isthatBeijingwillhold29thOlympicGamesthisyear.3、Iknowthatwellbegunishalfdone.4、HeheardthenewsthatLiuxiangsetanewworldrecord.“that”---无词义、不作成份、起连接作用（主语从句）（表语从句）（宾语从句）（同位语从句）1、Myideaisthatweshoulddoitrightnow.2、Shewon’tbelievethathehasbecomeathief.3、Thathe

5、isafamoussingerisknowntous.4、Iknewthenewsthatourteamwonthematch.5、Hissuggestionisthatweshouldfinishtheworkatonce.说出从句部分及类别并翻译：同位语从句表语从句表语从句主语从句宾语从句1、Whethershewillcomebackontimedependsonweather.2、Theproblemiswhetheryoucouldgiveussomevaluableadvice.3、Iask

6、edhimif/whetherhecoulddomeafavor.4、CouldyoutellmethequestionwhetherEnglishisusefulforusnow.（主语从句）（表语从句）（宾语从句）（同位语从句）“”----“____”、_____成份、起______作用不充当连接是否Whether/ifa.主语从句b.表语从句c.同位语从句e.介词后的宾语从句f.whethertodo做动词宾语不能用iftodo.gwhetherornot连在一起引导宾语从句时不用if.if和w

7、hether的选用不能使用if的情况：1.Iaskedher__________shehadabike.2.______wewillholdapartyintheopenairtomorrowdependsontheweather.3.We’reworriedabout________heissafe.4.Idon’tknow___________heiswellornot.5.Idon’tknow________ornotheiswell.6.Thequestionis_________h

8、eshoulddoit.7.Thedoctorcanhardlyanswerthequestion______theoldmanwillrecoversoon.8.Idon’tknow_______togo.if/whetherWhetherwhetherwhether/ifwhetherwhetherwhetherwhetherif/whetherConclusion:从属连词“that”---无词义、不作成份、起连接作用“if/w