高考英语同位语从句课件

同位语从句同位语从句1同位语从句同位语从句在句中作某些名词的同位语，这些名词常见的有，fact,news,hope,truth,idea,suggestion,thought,question,order,problem,belief,doubt,fear等。引导同位语从句的连词通常有that和whether,what,why,how…等。同位语从句2(1)TheyexpressedthehopethattheywouldcomeovertovisitChinaagain.(2)Weallknowthetruththattheearthgoesroundthesun.(3)Theyaskedmethequestionwhethertheworkwasworthdoing.(4)Theyproblemwhetheritisrightorwronghasnotyetbeendecided.(5)Ihavenoideawherehelives.(1)Theyexpressedthe3试比较：Heputforwardthesuggestionthatthesecondquestionshouldbediscussedfirst.（同位语从句）Thesuggestionthathehadputforwardwasturndown.（定语从句）试比较：4注意：同位语从句和定语从句的区别是：前者说明名词的内容，后者说明名词的性质特征；前者所用连词that在从句中不做成分，后者所用关系代词that在从句中做成分。注意：同位语从句和定语从句的区别是：前者说明名词的内容，后者5Tellthedifference1.Thenewsthattheplanewouldtakeoffontimemadeeverybodyhappy.2.Thenewsthatisspreadingaroundtheairportisthataheavystormiscoming.3.Thesuggestionthatstudentsshouldlearnsomethingpracticalisworthconsidering.4.Thesuggestionthattheyareconsideringisthatstudentsshouldlearnsomethingpractical.Tellthedifference1.Thenews6名词性从句名词性从句名词性从句名词性从句名词性从句名词性从句包括主语从句、表语从句、宾语从句和同位语从句。它的功能相当于名词，引导名词性从句的引导词归纳起来可分为以下三类。名词性从句8连接词that:不做成分,无意思,不可省(宾语从句除外)Whether:不做成分,具备意思,不可省What/how等特殊疑问词:做成分,具备意思,不可省连接词9

that1.Thathewillcomeiscertain.2.ThetruthisthatIhaveneverbeenthere3.Theypretended(that)theywerereadingintheroom.4.Thefactthatshehadnotsaidanythingsurprisedallofus.Histeachersaid(that)thebookwasveryinterestingandthatitwasworthreading.that10Whether1.Whethersheiscomingornotdoesn’tmattertoomuch.2.Ourfirstquestioniswhetheryoulikemusic.3.Iwonderwhetheritistrueornot.4.Theproblemwhetheritisrightorwronghasnotyetbeendecided.Whether11Whether/ifwhether和if引导的宾语从句：whether和if引导宾语从句时可以互换使用，但下列情况只用whether不用if:Whether/if12（1）在whetherornot结构中Idon’tknowwhetherornothe’llcome.Iwonderwhetheritistrueornot.（1）在whetherornot结构中13（2）"介词+宾语从句”

Everythingdependsonwhetherthesituationwillimprove.（2）"介词+宾语从句”Everythingdep14(3)whether+todoPleasetellmewhethertogoornot.(3)whether+todoPleasetell15（4）引导主语从句,表语从句及同位语从句Whetherwe’llgodependsontheweather.Thequestioniswhetheritisworthdoing.（4）引导主语从句,表语从句及同位语从句16What/how等特殊疑问词引导的名词性从句1.Whereshehasgoneisnotknownyet.2.Thatiswhyshewasabsentyesterday.3.Ididn’tknowwhattheyweretalkingabout.4.Ihavenoideawhenhewillbeback.What/how等特殊疑问词引导的名词性从句17补充:一.几种常见的含主语从句句型1.以it作形式主语，把主语从句后置的常用句型有：

1.It+be+形容词+that从句Itis/wascertainthat–clauseclearimportantnecessaryprobablepossible补充:1.It+be+形容词+that从句Itis/18（1）Itiscertainthatshewilldowellinherexam.（2）Itisprobablethathetoldmeeverything.（1）Itiscertainthatshewill192、It+be+名词词组+that从句Itis/wasapitythat–clauseshameduty(1)Itisapitythatwecan’tgo.(2)Itisnosurprisethatourteamshouldhavewonthegame.2、It+be+名词词组+that从句Itis203、It+be+过去分词+that从句Itissaidthat–clausereportedthoughthopedbelievedknown3、It+be+过去分词+that从句It21(1)Itissaidthatheisthebeststudentintheclass.(2)ItisthoughtthatJoedrivesbadly.(1)Itissaidthatheisthe224、It+seem,happen,appear等不及物动词+that从句。(1)ItseemsthatAliceisnotcomingtothepartyatall.(2)IthappenedthatIwasoutthatday.4、It+seem,happen,appear等不及23二.表语从句还可用asif/though,because引导比较