《高中英语优秀课件：Language.ppt》由会员分享，可在线阅读，更多相关《高中英语优秀课件：Language.ppt（19页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、Unit 19LanguageDoyouthinklearningEnglishisimportantforyourfuture?Why?DoyouthinkitisdifficulttolearnEnglishwell?Whyorwhynot?GetaheadwithyourEnglish1.WhathasmademoreandmorepeopledecidetolearnEnglishinrecentyears?2.Accordingtosometheories,whatisthebestwaytolearnaforeignlanguage?3.Howcanteacherstrytocre
2、atearichlanguageenvironmentintheclassroom?4.Whatextraworkcanyoudooutsideoftheclassroom?TrueorFalse?Expertsrecommenddoing2hoursofextraworkonceaweek.ListeningtoanEnglishsongseveraltimescanhelpyourevisenewvocabulary.TheresnopointreadingthenewsinEnglishifyouvealreadywatcheditinyourownlanguage.Watchingyo
3、urfavouriteDVDinEnglishwillimproveyourlisteningskills.FFFT5.Completethesentenceswiththecorrectformofthewordsbelow.Answer1.Absence2.surrounded3.Ensure4.Informed5.acquisition6.Conveys7.Accelerate8.adequate在句子中起名词作用的句子叫名词从句(NounClauses）。名词从句的功能相当于名词词组,它在复合句中能担任主语、宾语、表语、同位语、介词宾语等，因此根据它在句中不同的语法功能，名词从句又可分
4、别称为主语从句、宾语从句、表语从句和同位语从句。1主语从句：主语从句在整个句子中作主语。(1)不同于其它的连词，它不充当句子的成分，只是单纯的连接词，通常不可以省略。分句置于句首时，that绝对不可以省略。Thatthedrivercouldnotcontrolhiswarwasobvious.Itwasobviousthatthedrivercouldnotcontrolhiscar.(2)if不能用在主语从句中，而是用whetherWhetherheleft(ornot)isunknown(3)当主语从句作主语时，谓语动词一般用第三人称单数，下面这个句型例外。Whatweneedismor
5、etimeandmoney.Whatweneedaremanymorebooks.2.表语从句：表语从句出现在系动词后，充当表语。Thetroubleisthatweareshortofmoney.Goandgetyourcoat.Itswhereyouleftit.(1)引导表语从句除了上述三类词外还有because,asif/asthough等等Thereason(why/forwhich.)isthatIt/This/Thatisbecause(2)连系动词“appear,look,seem”的两个常用句型Itseems/appearsthat.Itlooks/seemsasif/ast
6、hough(与事实相符用陈述语气，与事实相反用虚拟语气)(3)as也可以引导表语从句Thingsarenotalwaysastheyseemtobe3.宾语从句：及物动词，形容词和介词后加宾语从句作其宾语。(1)宾语从句时态与主句相呼应，但宾语从句表示的是客观真理或普遍现象除外Theteachertoldusthattheearthmovesaroundthesun(2)连词whether和if可以互换，但注意下列情况连词后紧跟ornot时用whetherIwanttoknowwhetherornottheywillcome.作介词宾语是用whether引导宾语从句Hewasintereste
7、dinwhetherhesawherthere.连接词后直接加不定式，不能用if只能用whetherHedoesntknowwhethertostayornot.如果宾语从句是否定时，一般用if引导Icareifhewillnotattendthemeeting.(3)当宾语从句后带宾补时，要用“主语+谓语+it+宾补+that-clause,that不可省略Ithinkitcertainthatshewilldowellinherexam.(4)当主语是I,we，主句用think,believe,suppose,expect,imagine五个动词时，用否定转移Idontthinkhewil
8、lwinthegame,willhe?(5)that在宾语从句常可以省略，但由and或but连接两个或多个宾语从句时，仅可以省略第一个连词thatHesaid(that)hehadeatennothingbutthathewasnthungry.(6)注意区别if引导的宾语从句和条件状语从句Idontknowifhewillcome.Ifhecomes,Illletyouknow.4.同位语从句，在句中作某些名词的同位语，对前面的名词进一步说明。用在下列名词fact,news,idea,hope,believe,hope,thought,doubt.truth,order,suggestion
9、,word.(1)Thereisnodoubtthathewillcome.Thereisdoubtwhetherhewillcome.WordcamethatNapoleonwouldcometoinspectthem.Thereisnopossibilitythat.(2)that引导的同位语从句与定语从句的区别：在同位语从句中：that不可以省略，不作成分;定语从句的关系代词that在定语从句作成分，作宾语时可以省略Weareinterestedinthenewsthatsomeforeignerswouldvisitourschool.Weareinterestedinthenewst
10、hathetoldus.when,where引导的同位语从句与定语从句的区别：在定语从句中，when,where前有分别表示时间、地点的先行词；而在同位语从句中无此对应关系Theyhavenoideaatallwherehehasgone.(同位语从句)Goandgetyourcoat.Itsintheplacewhereyouleftit.(定语从句)Ex6:1a)2d)3c)4b)Ex7:1f2g3d4c5.A6.b7.e8.Rewritethefollowingsentencesusingnounclauses.1.Peoplewillmakevideoswiththeirmobilep
11、honesby2015.2.Mosthumanbeingswillliveuntiltheyare200bythe25thcentury.Itwasreportedthatpeoplewillmakephonesby2015.Itispredictedthatmosthumanbeingswillliveuntiltheyare200bythe25thcentury.8.Rewritethefollowingsentencesusingnounclauses.3.Personalcomputerswilldisappearby2020.4.Satelliteswillbedestroyedby
12、thesuninthenextfiveyears.Theideathatpersonalcomputerswilldisappearby2020soundsunbelievabletomanypeople.Nobodycanprovethatsatelliteswillbedestroyedbythesuninthenextfiveyears.5.AliensfromfourdifferentplanetswillarriveonEarthinthenext20years.6.Wewontusemoneytobuyfoodinthefuture.ItistotallynonsensethataliensfromfourdifferentplanetswillarriveonEarthinthenext20years.Manypeoplebelievethatwewontusemoneytobuyfoodinthefuture.