英语选修8人教新课标Unit1导学案课件：第4课时

英语选修8人教新课标Unit1导学案课件：第4课时名词性从句的语法功能名词性从句即主语从句，宾语从句，表语从句和同位语从句，在句中充当主语、宾语、表语、同位语。一、引导名词性从句的引导词可分为三类1．连接词(1)引导词that本身无词义，在从句中不充当成分。Thathepassedtheexaminationmadehismotherveryhappy.(2)引导词whether/if/asif有词义，但在从句中不充当成分，如：whether，if和asifItseemsasifhewerenotinterestedinthisproject.2．连接代词引导词本身有词义且在句中充当成分，如：who，whom，whose，what，which。Idon'knowwhoIshouldbelieve.3．连接副词引导词本身有词义且在句中充当成分，如：when，where，why，how。Wehaven'tdecidedwhenwe'llgotoTibet.二、主语从句、表语从句和宾语从句1.主语从句在整个句子中作主语。(1)that引导主语从句时不能省略。Thatthedrivercouldnotcontrolhiscarwasobvious.Itwasobviousthatthedrivercouldnotcontrolhiscar.(2)if不能用在句首引导主语从句，这时用whether。Whetherheleft(ornot)isunknown.(3)当主语是从句时，谓语动词一般用第三人称单数。Whatweneedismoretimeandmoney.2．表语从句出现在系动词后。Thetroubleisthatweareshortofmoney.Goandgetyourcoat.It'swhereyouleftit.(1)引导表语从句除了上述三类词外还有because，asif/asthough等等。请注意下列句型：①．Thereason(why/forwhich...)isthat...Thereasonwhyhewasabsentwasthathewasill.②．It/This/Thatisbecause...Itisbecauseyoudon'tknowhowmuchIloveyou.(2)连系动词“appear，look，seem”的两个常用句型①．Itseems/appearsthat...②．Itlooks/seemsasif/asthough...(与事实相符用陈述语气，与事实相反用虚拟语气。)Itseemsasthoughheknewnothingaboutthetruth.(3)as也可以引导表语从句。Thingsarenotalwaysastheyseemtobe.3．宾语从句作及物动词、形容词和介词的宾语。(1)宾语从句的时态与主句相呼应，但宾语从句表示的是客观真理或普遍现象时，从句谓语常用一般现在时。Theteachertoldusthattheearthmovesaroundthesun.(2)连词whether和if可以互换，但注意下列情况：①连词后紧跟ornot时用whether。Iwanttoknowwhetherornottheywillcome.②从句作介词宾语时用whether引导。Hewasinterestedinwhetherhesawherthere.③连接词后直接加不定式，不能用if只能用whether。Hedoesn'tknowwhethertostayornot.④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，要用句型“主语＋谓语＋it＋宾补＋that从句”。Ithinkitcertainthatshewilldowellinherexam.(4)当主语是I，we，动词think，believe，suppose，expect，imagine后带否定意义的宾语从句时，要将否定转移到主句。Idon'tthinkhewillwinthegame，willhe?4．注意区分it作形式主语的主语从句与强调句的区别。强调句句型Itis/was＋被强调部分＋that，去掉Itis/was...that，句子仍然成立。Itisnaturalthattheyshouldhavedifferentviews.(主语从句)Itisonlylatelythathehashadafamilyhimself.(强调句)Itwasinthehotelwherehestayedthatwediscussedtheseriousproblem.(强调句)5．注意it作形式主语的主语从句和as引导的非限制性定语从句的不同。Itisknowntoallthattheearthisround.(主语从句)Asisknowntoall，theearthisround.(非限制性定语从句)一、单项填空。1.Thenewcomerwenttothelibrarytheotherdayandscarchedfor__________hecouldfindaboutMarkTwain.2．Youshouldmakeitaruletoleavethings__________youcanfindthemoften.3．Youaresayingthateveryoneshouldbeequal，andthisis__________Idisagree.whateverwherewhere4．Ilike__________intheautumnwhentheweatherisclearandbright.5.Thebosswantedanassistantwith______knowledgeofFrenchandworkexperience.ita6.—Thishouselooksbeautiful,doesn’tit?—Well,Idratherhaveahouse

tolook,buttolivein.lessbeautifulmorecomfortable二、完成下列句子。1．________(肯定)priceswillgoup.2．________(决定什么时候)wewillgotoBeijing?3．________(爸爸许诺)hewouldbuymeanewcomputerifIpassedtheexam.4.________(毫无疑问)Mr.Smithisingoodhealth.5．Ourschoolis________(今非昔比了).1.Itiscertainthat

2.Isitdecidedwhen3.Fathermadeapromisethat/Fatherpromisedthat4.Thereisnodoubtthat5．notwhatitusedtobe三、语法填空。

Iwaswalkingalongthestreetoneday__1__Isawsomethingverystrange.Inoticedamanthesameheightasme__2__hadabeardlikemine.Hewaswearingablueshirtandanoldpairofjeansandhewascarryingabag__3__somebooksinit.Hewasjustcrossingtheroadahead__45__hewentacrosstheroad，Ifollowedhim.Iwon­deredwhetherornottostophimandaskhim__6__hehadnoticedsomethingstrangetoo.Iwasstillthinkingaboutitwhenheturnedroundsuddenlyandwelookedateachother.1．when

9.was

Welooked