资源描述
,Theuseof“it”(I),1.Itsasmallworldafterall.,3.Itsafineday,isntit?,2.Abirdlandedonthetree.Itssinging.,4.Whattimeisit?Itssevenoclock.,5.Thebabyiscrying.Itmightbehungry.,this/that,I.人称代词a.用作人称代词，代替前文提到过的事物，以避免重复:b.也可以指动物或婴儿(未知性别的婴儿或孩子):2.非人称代词有时并不指具体的东西，可指天气、时间、距离、环境等Itwasveryquietinthecaf.Itishalfanhourswalktothecity.3.指示代词指代this或thatThisisyourpen,isntit?Whatsthatonthedesk?Iguessitmightbearobot.,Itisobviousthatgoingforsportswilldoalotofgoodtoyourhealth.,ItsapitythattheChineseteamdoesntattendtheWorldCupinSouthAfricathisyear.,4.it作形式主语(PreparatorySubject),代替不定式，动名词或从句所表示的真正主语。,Peoplebelievedthatthemandidttellalie.,Itsbelievedthatthemandidttellalie.,Thetwosidesaresaidtohavereachedanagreement.,Itssaidthatthetwosideshavereachedanagreement.,TheswordhasbeenprovedtodatefromQinDynasty.,IthasbeenprovedthatthesworddatedfromQinDynasty.,HowearlymanwasabletoconstructStonehengeisamystery.,ItsamysteryhowearlymanwasabletoconstructStonehenge.,it作形式主语的句型常见的有：,Itisclear(obvious，true，possible，certain.)that,Itissaid(reported，believed.)that.,Itissuggested(ordered/demanded/insisted/commanded.)that.从句用虚拟语气,Itisapity(shame/duty/fact/honor/nosurprise.)that.,Ithappens(seems，looks，appears)that.,.Itdoesntmatter(nowonder)+wh-/how-clause,Ittakessb.todosth,Itisnogood(use)doingsth,Itlooks(seems)asif.,归纳,5.作形式宾语(PreparatorySubject),为了记忆方便我们把该句型总结为6123结构。,6指主句中常用的动词：think,believe,make,find,consider,feel；1指的是形式宾语it；2指的是宾补的两种形式：形容词或名词；3指的是真正宾语的三种形式：不定式短语，动名词短语或从句。,Wethinkitourdutytocleanourclassroomeveryday.HefeltitimportantlearningEnglishwell.Theyfounditdifficultthattheywouldfinishtheirworkintwodays.,ItwaswithastrongbeliefthatMartinLutherkingledmangmovementsagainstracialdiscrimination.,6.用于强调结构（emphaticstructure）,Itis/was+被强调部分+that/who.+其他成分,ImetTominthestreetyesterday.,强调结构的一般疑问句型：Is/was+it+所强调的部分+that/who?,WasityouthatmetTominthestressyesterday?,强调结构的特殊疑问句型：疑问词+is/was+it+that/who?,Whowasitthatyoumetinthestreetyesterday?,WherewasitthatyoumetTomyesterday?,.notuntil.句式用于强调句型要注意否定词not前移,构成：,Itis/wasnotuntil+被强调部分+that.,Ididtgotobaduntil10oclockyesterdayevening.,Itwasnotuntil10oclockyesterdayeveningthatIwenttobad.,Ididntrealizeshewasafamousfilmstaruntilshetookoffherdarkglasses.,ItwasnotuntilshetookoffherdarkglassesthatIrealizedshewasafamousfilmstar.,3.Itisnouse(和他们争论这一问题),youaresimplywastingtime.(argue),6.Hisparentsmanageedto(使成为可能)forhimtogoabroad.(possible),4._（不要紧/没关系）whetherwegotogetherorseparately.(matter),7.Accordingtothewitnesses,itwasattwooclock(该事故发生).(happen),1.(正在下雨)whentheyleftthestation.(rain),2.(对他来讲很困难)tostudytwolanguages.(difficult),8.(正是在这片耕地上)thatthefarmersproducefoodforthewholepopulationofChina.(arable),10.It(直到他们联手)thattheyachievedtheirgoals.(join),9.It(直到1920年)thatregularradiobroadcastsbegan.(until),(普遍认为)thatChinasfastdevelopmentineconomywillbenefitmanycountriesintheworld.(generally,believe),1.Itwasraining2.Itsdifficultforhim3.arguingwiththemaboutthisquestion4.Itdoeantmatter5.Itsgenerallybelieved6.makeitpossible7.thatthisaccidenthappened8.Itisonthisarableland9.wasnotuntil192010.wasnotuntiltheyjoinedhands,
展开阅读全文