高考英語(yǔ)語(yǔ)法復(fù)習(xí) it的用法課件 新人教版.ppt

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Theuseof it I 1 It sasmallworldafterall 3 It safineday isn tit 2 Abirdlandedonthetree It ssinging 4 Whattimeisit It sseveno clock 5 Thebabyiscrying Itmightbehungry this that I 人稱代詞a 用作人稱代詞 代替前文提到過的事物 以避免重復(fù) b 也可以指動(dòng)物或嬰兒 未知性別的嬰兒或孩子 2 非人稱代詞有時(shí)并不指具體的東西 可指天氣 時(shí)間 距離 環(huán)境等Itwasveryquietinthecaf Itishalfanhour swalktothecity 3 指示代詞指代this或thatThisisyourpen isn tit What sthatonthedesk Iguessitmightbearobot Itisobviousthatgoingforsportswilldoalotofgoodtoyourhealth It sapitythattheChineseteamdoesn tattendtheWorldCupinSouthAfricathisyear 4 it作形式主語(yǔ) PreparatorySubject 代替不定式 動(dòng)名詞或從句所表示的真正主語(yǔ) Peoplebelievedthatthemandid ttellalie It sbelievedthatthemandid ttellalie Thetwosidesaresaidtohavereachedanagreement It ssaidthatthetwosideshavereachedanagreement TheswordhasbeenprovedtodatefromQinDynasty IthasbeenprovedthatthesworddatedfromQinDynasty HowearlymanwasabletoconstructStonehengeisamystery It samysteryhowearlymanwasabletoconstructStonehenge it作形式主語(yǔ)的句型常見的有 Itisclear obvious true possible certain that Itissaid reported believed that Itissuggested ordered demanded insisted commanded that 從句用虛擬語(yǔ)氣 Itisapity shame duty fact honor nosurprise that Ithappens seems looks appears that Itdoesn tmatter nowonder wh how clause Ittakessb todosth Itisnogood use doingsth Itlooks seems asif 歸納 5 作形式賓語(yǔ) PreparatorySubject 為了記憶方便我們把該句型總結(jié)為 6123結(jié)構(gòu) 6指主句中常用的動(dòng)詞 think believe make find consider feel 1指的是形式賓語(yǔ)it 2指的是賓補(bǔ)的兩種形式 形容詞或名詞 3指的是真正賓語(yǔ)的三種形式 不定式短語(yǔ) 動(dòng)名詞短語(yǔ)或從句 Wethinkitourdutytocleanourclassroomeveryday HefeltitimportantlearningEnglishwell Theyfounditdifficultthattheywouldfinishtheirworkintwodays ItwaswithastrongbeliefthatMartinLutherkingledmangmovementsagainstracialdiscrimination 6 用于強(qiáng)調(diào)結(jié)構(gòu) emphaticstructure Itis was 被強(qiáng)調(diào)部分 that who 其他成分 ImetTominthestreetyesterday 強(qiáng)調(diào)結(jié)構(gòu)的一般疑問句型 Is was it 所強(qiáng)調(diào)的部分 that who WasityouthatmetTominthestressyesterday 強(qiáng)調(diào)結(jié)構(gòu)的特殊疑問句型 疑問詞 is was it that who Whowasitthatyoumetinthestreetyesterday WherewasitthatyoumetTomyesterday not until 句式用于強(qiáng)調(diào)句型要注意否定詞not前移 構(gòu)成 Itis wasnotuntil 被強(qiáng)調(diào)部分 that Idid tgotobaduntil10o clockyesterdayevening Itwasnotuntil10o clockyesterdayeveningthatIwenttobad Ididn trealizeshewasafamousfilmstaruntilshetookoffherdarkglasses ItwasnotuntilshetookoffherdarkglassesthatIrealizedshewasafamousfilmstar 3 Itisnouse 和他們爭(zhēng)論這一問題 youaresimplywastingtime argue 6 Hisparentsmanageedto 使 成為可能 forhimtogoabroad possible 4 不要緊 沒關(guān)系 whetherwegotogetherorseparately matter 7 Accordingtothewitnesses itwasattwoo clock 該事故發(fā)生 happen 1 正在下雨 whentheyleftthestation rain 2 對(duì)他來講很困難 tostudytwolanguages difficult 8 正是在這片耕地上 thatthefarmersproducefoodforthewholepopulationofChina arable 10 It 直到他們聯(lián)手 thattheyachievedtheirgoals join 9 It 直到1920年 thatregularradiobroadcastsbegan until 普遍認(rèn)為 thatChina sfastdevelopmentineconomywillbenefitmanycountriesintheworld generally believe 1 Itwasraining2 It sdifficultforhim3 arguingwiththemaboutthisquestion4 Itdoean tmatter5 It sgenerallybelieved6 makeitpossible7 thatthisaccidenthappened8 Itisonthisarableland9 wasnotuntil192010 wasnotuntiltheyjoinedhands