英語選修8人教新課標Unit1導學案課件：第4課時

英語選修8人教新課標Unit1導學案課件：第4課時名詞性從句的語法功能名詞性從句即主語從句，賓語從句，表語從句和同位語從句，在句中充當主語、賓語、表語、同位語。一、引導名詞性從句的引導詞可分為三類1．連接詞(1)引導詞that本身無詞義，在從句中不充當成分。Thathepassedtheexaminationmadehismotherveryhappy.(2)引導詞whether/if/asif有詞義，但在從句中不充當成分，如：whether，if和asifItseemsasifhewerenotinterestedinthisproject.2．連接代詞引導詞本身有詞義且在句中充當成分，如：who，whom，whose，what，which。Idon'knowwhoIshouldbelieve.3．連接副詞引導詞本身有詞義且在句中充當成分，如：when，where，why，how。Wehaven'tdecidedwhenwe'llgotoTibet.二、主語從句、表語從句和賓語從句1.主語從句在整個句子中作主語。(1)that引導主語從句時不能省略。Thatthedrivercouldnotcontrolhiscarwasobvious.Itwasobviousthatthedrivercouldnotcontrolhiscar.(2)if不能用在句首引導主語從句，這時用whether。Whetherheleft(ornot)isunknown.(3)當主語是從句時，謂語動詞一般用第三人稱單數(shù)。Whatweneedismoretimeandmoney.2．表語從句出現(xiàn)在系動詞后。Thetroubleisthatweareshortofmoney.Goandgetyourcoat.It'swhereyouleftit.(1)引導表語從句除了上述三類詞外還有because，asif/asthough等等。請注意下列句型：①．Thereason(why/forwhich...)isthat...Thereasonwhyhewasabsentwasthathewasill.②．It/This/Thatisbecause...Itisbecauseyoudon'tknowhowmuchIloveyou.(2)連系動詞“appear，look，seem”的兩個常用句型①．Itseems/appearsthat...②．Itlooks/seemsasif/asthough...(與事實相符用陳述語氣，與事實相反用虛擬語氣。)Itseemsasthoughheknewnothingaboutthetruth.(3)as也可以引導表語從句。Thingsarenotalwaysastheyseemtobe.3．賓語從句作及物動詞、形容詞和介詞的賓語。(1)賓語從句的時態(tài)與主句相呼應，但賓語從句表示的是客觀真理或普遍現(xiàn)象時，從句謂語常用一般現(xiàn)在時。Theteachertoldusthattheearthmovesaroundthesun.(2)連詞whether和if可以互換，但注意下列情況：①連詞后緊跟ornot時用whether。Iwanttoknowwhetherornottheywillcome.②從句作介詞賓語時用whether引導。Hewasinterestedinwhetherhesawherthere.③連接詞后直接加不定式，不能用if只能用whether。Hedoesn'tknowwhethertostayornot.④如果賓語從句是否定時，一般用if引導。Icareifhewillnotattendthemeeting.(3)當賓語從句后帶賓補時，要用句型“主語＋謂語＋it＋賓補＋that從句”。Ithinkitcertainthatshewilldowellinherexam.(4)當主語是I，we，動詞think，believe，suppose，expect，imagine后帶否定意義的賓語從句時，要將否定轉移到主句。Idon'tthinkhewillwinthegame，willhe?4．注意區(qū)分it作形式主語的主語從句與強調句的區(qū)別。強調句句型Itis/was＋被強調部分＋that，去掉Itis/was...that，句子仍然成立。Itisnaturalthattheyshouldhavedifferentviews.(主語從句)Itisonlylatelythathehashadafamilyhimself.(強調句)Itwasinthehotelwherehestayedthatwediscussedtheseriousproblem.(強調句)5．注意it作形式主語的主語從句和as引導的非限制性定語從句的不同。Itisknowntoallthattheearthisround.(主語從句)Asisknowntoall，theearthisround.(非限制性定語從句)一、單項填空。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．________(決定什么時候)wewillgotoBeijing?3．________(爸爸許諾)hewouldbuymeanewcomputerifIpassedtheexam.4.________(毫無疑問)Mr.Smithisingoodhealth.5．Ourschoolis________(今非昔比了).1.Itiscertainthat

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

Iwaswalkingalongthestreetoneday__1__Isawsomethingverystrange.Inoticedamanthesameheightasme__2__hadabeardlikemine.Hewaswearingablueshirtandanoldpairofjeansandhewascarryingabag__3__somebooksinit.Hewasjustcrossingtheroadahead__45__hewentacrosstheroad，Ifollowedhim.Iwon-deredwhetherornottostophimandaskhim__6__hehadnoticedsomethingstrangetoo.Iwasstillthinkingaboutitwhenheturnedroundsuddenlyandwelookedateachother.1．when

9.was

Welooked