高中英语名词性从句

语法：名词性从句,在句子中起名词作用的句子叫名词性从句(NounClauses）。名词性从句的功能相当于名词,可作主句的主语、宾语、表语、同位语、，因此可分为主语从句、宾语从句、表语从句同位语从句。,WhathewantstotellusisnotclearThatshedidntdieisamiracle.3.Whethersheiscomingdoesntmatter,1.Thefactisthatwehavelostthegame.2.ThatiswhatIwant.3.Thatiswhyhedidntcometothemeeting.4.Thereasonwasthathemissedthetrain.,1.WewonderwhetherhewillgotoShanghai2.Iinsistthatshe(should)doherworkalone3.Iwanttoknowwhathehastoldyou.4.Iamnotafraidofwhatyousaid.,(1)Iamsurethatyoulookedbeautifulthatevening.(2)Wewerenotsurprisedthathereturnedthreedayslaterthanexpected.(3)Everyonewasafraidthatsomeonemightfindoutthathecouldseenothing.,3、用作某些形容词的宾语从句：,这类形容词常见的有sure,certain,glad,pleased,happy,afraid,surprised,satisfied等。,同位语从句,位于fact,idea,news,promise后面，说明它的内容。1.ImadeapromisethatIwouldgotoseehimeverySunday.2.Thenewsthatourteamhaswonistrue.,二、请找出下列句子的引导词，从句，并判断是何种从句。1.Whathewantedisthetruth.2.Mrs.Blackwontbelievethathersonhasbecomeathief.3.Myideaisthatweshoulddoitrightnow.4.Thefactthathewillcomebacktomorrowsurprisesme.5.HeisinterestedinhowIhavekeptsothin.6.Thequestioniswhetherweshouldaskthemforhelp.7.EarlyinthedaycamethenewsthatGermanyhaddeclaredwaronRussia.8.Whoseplanworksmoreeffectivelyrequiresconsideration.,What,hewanted,主语从句,that,hersonhasbecome,athief,that,that,hewillcomebacktomorrow,weshoulddoitrightnow,how,Ihavekeptsothin,whether,weshouldaskthemfor,help,that,Germanyhad,declaredwaronRussia,Whose,planworksmoreeffectively,宾语从句,表语从句,同位语从句,宾语从句,表语从句,同位语从句,主语从句,is,believe,is,in,is,requires,fact,news,归纳：名词性从句的引导词及其作用,that/whether/if,what/who/whom/which/whose,when/where/why/how,不作成分，只起连接作用,作主语、宾语表语、定语,作状语,练习：,1._hehascomebackisknowntoall.2.Theideais_weshouldgothere.3._hewantedisthetruth.4._impressedmemostisthatheishumorous.,That,that,What,What,归纳引导词,1.Iwanttoknow_hewillcomeheretomorrow.2.Doyouknow_hearrivedinBejing?Isawhiminthestreetjustnow3.Heexplained_heworkedouttheproblem,soIcanlearnfromhim.,whether,When,how,技巧3.,4.NooneKnows_willbethenextpresident.,who,疑问词？who谁what什么which哪个whose谁的,总结：选用引导词的技巧：1.根据句子意思选引导词。2.分析从句句子成分：缺什么，填什么（1）什么都不缺（不缺成分，不缺意思），填_在_从句中可省略。（2）什么都不缺（不缺成分，但缺“是否”意思），填_，_只引导宾语从句。（3）缺主，宾，表,填连接_（4）缺状语,填连接_.,that,单个宾语,whether/if,if,代词：,副词：,what/who/whom/which/whose,when/where/why/how,五、几组易混引导词的区别,(2)whether和if的区别：,(1)直接与ornot连用时，只用whether,不用if。Idontknowwhetherornothellcome.,(2)介词后面的宾语从句用whether,不用if.,Everythingdependsonwhetherthesituationwillimprove.,(2)whether和if的区别：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。,(3)引导的宾语从句放在句首时，用whether,不用if。Whetherhehasstolenthemoney,Idontknow.,（5）引导主语从句和表语从句以及同位语从句用whether不用if。Whetherwellgodependsontheweather.Thequestioniswhetheritisworthdoing.(6)某些动词，如discuss等后习惯上只用whether引导宾语从句，不用if.Wediscussedwhetherweshouldholdameeting.,(4)whether可用在不定式前，if则不能.,Pleasetellmewhethertogoornot.,表“是否”，多用whether.表“假如/如果”，只能用if.,小窍门,2.用if或whether填空,Idontknow_Illbefreetomorrow.2.Idontknow_ornotIllbefreetomorrow.3.Thequestionis_thisbookisworthwriting.,whether/if,whether,whether,4.Icantdecide_tostay.5.Iwanttoknow_itsgoodnewsornot.6.Hisfatherisworriedabout_hecanbeadmittedtoakeycollege.7._theycanfinishtheworkontimeisstillaproblem.8.Hecametosee_therewaswrongwithhiscat.,whether,whether,whether,Whether,whether/if,动词不定式,宾语从句，与ornot连用,句子开头，主语从句,宾语从句,宾语从句，在介词后,总结：表是否1.if只引导_。2.在动词不定式之前只能用_。3.在whetherornot的固定搭配中。4在介词后，只能用_。句首用_。总之，凡表是否，用_就不会错。,宾语从句,whether,whether,whether,whether,五、that,what用法区别1.Thetroubleis_hehasneverdonetheworkbefore.2._theearthisroundistrue.3._youwilldonextisnoneofmybusiness.4.Amoderncityhasbeensetupin_wasawastelandtenyearsago.5.Ourschoolisnolonger_itwasfiveyearsago.6.And_qualitiesdoesagreatpersonhave?,that,That,What,what,what,what,不作成分，没意义,不作成分，没意义,作do的宾语，表“的事”,作主语，表“的物,作was的表语，表“的物,作定语，修饰qualities,表“什么”,总结:1._只起连接作用，不作成分，没意义2._有两种含义：（1）什么（2）的人/事/物，在名词性从句中作主语、宾语、表语或定语。,that,what,九、名词性从句在写作口语中的运用1作为一个学生，我们应该做的是努力学习。Asastudent,istostudyhard.2.为什么你认为情节(plot)难以相信（2012年听说高考题)Whydoyouthink？（语序）,whatweshoulddo,theplotisunbelievable,24,24,listening&speaking,Thankyouforwhatyouhavedoneforme!WhatIwanttosayisthatIloveyou.YoudontknowhowmuchIcareaboutyou.EverydayIwanttoknowwhereyouare,whatyouaredoingandwhetheryouarehappy.DoyouknowwhyImissyousomuch?Thisisbecauseyouremydearestfriend.,1.亲爱的XX,谢谢你为我所做得一切。2.我想说的是：我爱你，你不知道我有多么的在乎你。3.每天我都想知道你在哪，你正在干什么,还有你是否开心。4.你知道我为什么那么想你吗？5.那是因为你是我最爱的XX.,1.Grandmapointtothehospitalandsaid,“ThatswhenIwasborn.”2.“Everytimeyoueatasweet,drinkinggreentea.”Thisisthatmymotherusedtotellme.3.Itsuddenoccurredtohimhehadlefthiskeysintheoffice.4.Itmakesthebooksoextraordinaryisthecreativeimaginationofthewriter.5.Itdoesntmatterifyoupaybycashorcreditcardinthisstore.6.Whenthenewscamewhatthewarbrokeout,hedecidedtoservedinthearmy7.Hetoldmehewillcomebackandhewouldvisitme.,pointed,where,改错:,drink,what,What,whether,that,serve,would,suddenly,that,AnUnforgettableDay_1_madethedayunforgettablewas2_Ihadverybadluckthatday.Onthatday,3_Iwokeup,Ifound4_itwastoolateforschool.Ihurrieddownstairsandfoundmybike5_wasbrokenwasstolen.Ihadnochoicebuttoruntoschool.Arrivingatschool,Icouldonlyseethreeschoolguards,allof6_lookedatmeinsurprise.Thentheytoldmethefact7_itwasSunday.AfterIcamebackhome,Ifoundmyhousebrokeninto,8_Ileftm