名詞性從句一、概念

LiHua,myidol(偶像),isafamousartist,andhelikesbasketball.總結(jié)：名詞可在句中充當(dāng)____語，_____語，____語，_____語。

主語同位語系V表語主語謂V賓語主賓表同位思考：如果把名詞所充當(dāng)?shù)某煞謸Q成句子我們稱之為什么？在英語的句子結(jié)構(gòu)中，本來該由名詞充當(dāng)?shù)闹髡Z、賓語、表語和同位語，由一個句子來充當(dāng)，這個句子就叫名詞性從句。名詞性從句在功能上相當(dāng)于名詞二、引導(dǎo)詞

從屬連詞：that(無任何詞意),if/whether(是否)

連接代詞：what,which,who,whom,whose,疑問詞+ever

連接副詞：when,where,how,why(how組成的詞組如：howmany,

howlong,howfar,howmuch,howoften)(1)Whathesaidisnottrue.(2)Whetherhewillgothereisnotknown.(3)Whoevercomesiswelcome.(4)It’scertainthathewillsucceed.(5)Whentheywillstarttheprojecthasnotbeendecidedyet.三、主語從句找規(guī)律位于動詞（謂語動詞/系動詞）之前；2、It作形式主語（1）It+be+形容詞（necessary/likely/difficult/important/certain···）+that從句eg:ItisimportantthatweshouldstudyEnglishwell.（2）It+be+名詞（短語）（apity/nowonder/nosurprise等）+that從句eg:Itisapitythatyoucan’tcome.1、位置（3）It+be+過去分詞(said/reported/thought/believed/decided等)+that從句eg：Itissaidthatwewillhavealongholiday.（4）It+不及物動詞（seems/appears/happens等）+that從句eg:Itappearsthatwewon’tbelaidoff.看起來我們不會被解雇。(1)Theyallthinkthatthegirlisverybeautiful.(2)HeaskedhowmuchIpaidforthebook.(3)Shemadeitclearthatshetriedherbesttodothejob.(4)Ifinditnecessarythatweshouldfinishthehomeworktogether.(5)Italldependsonwhetherhewillsupportme.四、賓語從句找規(guī)律1、位置：位于謂語動詞，介詞和部分形容詞之后；2、It作形式賓語：一些動詞后的賓語從句有賓語補(bǔ)足語時，需要用it作形式主語；（1）常這樣用的動詞有feel/find/think/consider/believe/guess/suppose/make等；eg:IfindithardthatwecanstudyEnglishwell.（2）動詞hate/like/dislike/appreciate/enjoy等以及及物動詞短語seeto(確保),dependon,relyon等后常用it作形式賓語；eg:Ishallseetoitthatheistakengoodcareofwhenyouareabsent.(1)Theproblemisthatwedon’thaveenoughmoney.(2)Theissueiswhetherwecanfinishtheprojectbythedealine.(3)Theimportantthingishowwerespondtounexpectedchallenges.(4)Ilovethissong.That’sbecauseitremindmeofmychildhood.(5)Itseemsasifheknowstheansweralready.五、表語從句找規(guī)律1、位置：位于系動詞之后系動詞:

(1)be(2似乎)seem,appearto(3保持)keep,remain,stay(4變得)become,turn,get,grow(5感官)look,taste,smell,sound,feel2、asif/asthough（似乎，好像）引導(dǎo)的表語從句，常放在be,seem,look,taste,sound等之后；eg:Itsoundsasifyouhaveagoodtime.3、because和why引導(dǎo)的表語從句This/Thatis/wasbecause···這是/那是因為···This/Thatis/waswhy···這是/那是···的原因eg:Hehaslungcancer.Thatisbecausehehasbeensmokingtoomuch.(1)Thenews

thathecouldn’tcomemadeusupset.(2)Ihavenoideawhethershewillattendthemeeting.(3)Ihavenoideawhattheyaretalkingabout.(4)Thereisnodoubtthatsheisthebeststudentinourschool.(5)Hisbeliefthathardworkleadstosuccessisadmirable.六、同位語從句找規(guī)律利潤60%2、抽象名詞：news,fact,idea,opinion,doubt,hope,wish,order,advice,suggestion,thought,decision,conclusion,question,problem,word,possibility,truth,promise等1、位置位于抽象名詞之后從句在復(fù)合句中充當(dāng)同位語成分，一般跟在一些抽象名詞后面，對名詞作進(jìn)一步解釋說明.3、that引導(dǎo)定語從句和同位語從句的區(qū)別:在定語從句中，that指人或物，作主語或賓語，作賓語時可以省略；在同位語從句中，that不作成分，沒有實意，不能省略；eg:Thenewsthat

hetoldme

wasTomwasill.(定語從句)（對news進(jìn)行限定修飾）Thenews

that

Tomwasillwastoldbyhim.(同位語從句)（對news消息的內(nèi)容進(jìn)行解釋）

220萬名詞性從句

主語從句賓語從句表語從句

同位語從句置于謂語動詞前，注意it作形式主語

置于vt./prep./部分adj.之后置于系動詞之后置于抽象名詞后注意與定語從句的區(qū)別語序為：陳述語序

七、注意Whether和if引導(dǎo)名詞性從句的區(qū)別：（只用whether的情況）（1）引導(dǎo)主語/表語/同位語從句；（2）作介詞賓語：（3）后接動詞不定式；（4）后有ornot時；（5）作discuss/decide/advise/choose/consider的賓語;what和which在名詞性從句中作定語的區(qū)別：Which+n.在一定范圍內(nèi)的“哪個···”What+n.無范圍，泛指，“什么樣的···”Idon’tknowwhatcolor

helikesbest.Idon’tknowwhichcolor

hewillchoosefromtheseclothes.八、做題步驟1、根據(jù)位置判斷是什么從句；2、