语法复习---名词性从句及其在写作中的运用

语法复习-名词性从句,引导名词性从句的词分为三类：从属连词，_即在_中不充当任何成分。2.连接代词，_即在_充当_。3.连接副词_即在_充当_。,that,if,whether,从句,what,who,whom,whose,which,whatever,whoever,whomever,whosever,whichever,从句,状语,主语,宾语,表语,定语,when,where,why,how,从句,名词性从句又可分为_.,宾语从句,主语从句,表语从句,同位语从句,(一)_主语从句_从句即在句子中充当_主语_.有时为了避免句子头重脚轻，常用_it_作_形式_主语。1._Whether_hewillagreewithmeornotmakesnodifferencetome.2._Why_hewasabsentisunknown.3.Itmadeherupset_that_shefailedtheexam.4._Whichever_ofyoucomesinwillreceiveaprize.你们中无论哪个进来都将获得一份奖品。5._Whoever_breaksthelawwillbepunished.6._What_isevenmoreimportantisthatastheearthcooleddown,waterbegantoappearonitssurface.,(二)_宾语_从句即在句子中充当_宾语_,跟在_动词_介词_be+形容词_的后面.若宾语带有宾补时，则用_it_作_形式_宾语。1.Iwonder_if/whether_youdmindusaskingafewquestions.2.Noonecanbesure_what_manwilllooklikeinamillionyear.3.Helivedin_what_wecallancientGreece.4.Tellus_what_sortofworkyoudidinAmerica.5.Weconsideritnecessary_that_heshouldimprovehispronunciation.6.Iwillgivemythanksto_whoever_haseverhelpedme.7.Youcantimagine_how_importantyourhelpis.,(三)_表语_从句即在句子中充当_表语_,跟在_系动词_后面，常见的是_be动词_1.Thefactis_that_Iearnedmypassagebyworkingasanunpaidhand.2.Thequestionis_whether_itisworthdoing.3.Thereasonforhisbeingabsentwas_that_hegotuplate.4.Thisis_how_wesolvedtheproblem.5.Hefellill.Thats_why_hedidntcometoschoolyesterday.6.Thelasttimewehadgreatfunwas_when_wewerevisitingtheWaterPark.,(四)_同位语_从句即在句子中充当_同位语_,起到_解释说明_的作用。1.Theidea_that_theyshouldtryagainisworthconsidering.2.Ihavenoidea_whose_bookitis.3.Thesuggestion_that_theplanshouldbedelayedwillbediscussedtomorrow.4.Thequestion_who_shoulddotheworkrequiresconsideration.5.Wehavesomedoubt_whether_theycancompletethetaskontime.6.Thereisnodoubt_that_hewillkeepthepromise.7.Wordcame_that_ourChinesewomenteamhadbeatenJapanese.,注意点：一、whether和if的区别_whether_在四种名词性从句中都能使用；而_if_只能使用在_动词_后的宾语从句中，且不能跟_or_或_ornot_连用。二、that的省略问题that在名词性从句中不充当任何成分，也无_意义_,但只能在_宾语_从句中省略，若句子含有2个或以上的宾语从句，则只能省略第_一_个从句中的that。TheyhadlearnedthatmostCanadianslivewithinafewhundredkilometersoftheUSborder,andthatCanadaspopulationisonlyslightlyoverthirtymillion.请思考：哪个that可省略？第_一_个。,三、that引导的名词性从句和that引导的定语从句的区别1.Thenewsthatweheardspreadalloverthecity.2.Thenewsthatasubwaywillbebuilttherespreadalloverthecity.第一句为_定语_从句；第二句为_同位语_从句。that引导_定语_从句，从句起到_修饰_作用。从句成分不完整，它在从句中不但起_连接_作用，同时在从句中充当某一_成分_。that引导_同位语_从句，从句起到_解释说明_的作用，从句本身成分_完整_.that无_意义_,只起_连接_作用。,四、疑问词+ever与nomatter+疑问词的区别1.Whoeverbreaksthelawwillbepunished._名词性（主语）_从句2.Whoeverbreaksthelaw,hewillbepunished._让步状语_从句请思考：第_2_句也可使用nomatterwho.疑问词+ever既能引导_名词性_从句和_让步状语_从句；而nomatter+疑问词只能引导_让步状语_从句。,书面表达（满分15分）某网站将举办网上讲座活动。假设你是新华中学的学生李华，听说它正面向中学生征集话题。现请你用英文给该网站发送一封电子邮件，向其推荐话题。内容包括：1.自我简介；2.写信目的；3.话题：感恩；4.推荐的理由；5.预祝活动成功。注意：1.词数100左右；2.可适当增加细节，以使行文连贯；3.请使用至少2个名词性从句。4.建议使用状语从句、定语从句、强调句、倒装句、过渡词等推荐句型：1.Itis+that2.Whatisthat3.Thereasonwhyisthat4.Theresnodoubtthat,Dearsir,ImLiHua,astudentfromXinhuaHighSchool.Ihavelearnedthatyouarecollectingatopicforalecturetobeheldonline,SoImwritingtorecommendit,whichIthinkshouldbe“BeingGrateful”.Itisknowntousallthatwegettoomuchfromthesociety.Andthosearoundus,especiallyourparents,teachersandfriendsalwayscareaboutus.Sotheresnodoubtthatweshouldbegratefultothem.Whatismoreimportanti