《it用法小结》PPT课件.ppt

,GrammarlearningTheuseof“it”(I),1.表示天气，日期，时间，距离等。,ItwasrainingwhenIlefttheoffice.ItisMay13thtoday.Itsalongtimesincewemetlasttime.Itsanhourswalkfrommyhometotheschool.,代词,GrammarlearningTheuseof“it”,表示天气，日期，时间，距离等。,eg.-Hewasnearlydrownedonce?-Whenwasthat?_wasin1998whenhewasinmiddleschool.A.ItB.HeC.ThatD.This,A,1.-whattimeisit?-Itseightoclock.2.Itoftenrainsinsummer.,3.Itwashotyesterday,butitisevenhottertoday.,4.ItstwohoursridefromheretoShanghai.,2.指代前面提到过的事情或动物。,Iwasdisappointedwiththefilm.Ihadexpected_tobemuchbetter.A.thatB.thisC.oneD.it,D,Thatvaseisvaluable.Itsmorethan200yearsold.,itVSone,1.-Isawnomorethanonemotor-carinthatshop.Willyougoandbuy_?-No,Idratherfind_inothershops.A.one;oneB.it;itC.one;itD.it;one,2.-Excuseme,Iwanttohavemywatchfixed,butIcantfindarepairshop.-Iknownearby.Comeon,Illshowyou.A.oneB.itC.someD.that,3.-Didyoufindyourpenyesterday?-No,Ididntfind.ButIvebought.A.it;itB.one;itC.it;oneD.one;one,Someoneisringingthedoorbell.Goandsee_.A.whoisheB.whoheisC.whoisitD.whoitis,3.指代人。,D,当说话者不清楚谈论的对象的性别时，亦可指动物、幼孩等，用it来表示。,-Whoisknockingatthedoor?-Itisme.,4.指环境或情况等(1)Itwasveryquietatthemoment.(2)Itwasnoisylastnight.,-Doyoulike_here?-Oh,yes.Theair,theweather,thewayoflife.Everythingissonice.A.thisB.theseC.thatD.it,D,Itisimportanttopaycloseattentiontothesituation.Itsnogoodsmoking.Itdoesntmatterwhatyoudo.,II引导词it,II1.作形式主语,代替从句，动名词短语或不定式短语。,_isafactthatEnglishisbeingacceptedasaninternationallanguage.A.ThereB.ThisC.ThatD.It,D,引导词it,Does_matterifhecantfinishthejobontime?A.thisB.theC.heD.it,D,Itisoften_thathumanbeingsarenaturallyequippedtospeak.A.saidB.tosayC.sayingD.beingsaid,（2009全国II）,Itsnouse/goodcryingoverspiltmilkItisawasteoftimedoinfgthework.,ItsnoteasytolearnEnglishwellinsuchashorttime,_feltfunnywatchingmyselfonTV.(2006全国卷)A.OneB.ThisC.ItD.That,it做形式主语的几种句型,1.It+be+adj./n.forsb.todosth.,2.It+be+adj.+ofsb.todosth.,3.It+be+adj./n.+doingsth.,4.It+be+adj./n.+that-clause,5.Itseemsthat-clause,6.Ittakessb.+一段时间+todo,7.Itbe/seems+adj.+that-clause,2.作形式宾语,代替从句，动名词短语或不定式短语。,Ilike_intheautumnwhentheweatherisclearandbright.A.thisB.thatC.itD.one,C,某些表示“喜怒哀乐”的动词,如like,appreciate,enjoy,love,hate(恨)等，往往不直接跟宾语从句，特别是that引导的宾语从句；若要接宾语从句，从句前须跟一个形式宾语it。如：E.g.(1)Idontlikeitthathessocareless.我不喜欢他那么粗心大意。(2)Ihateitwhenpeopleaskmeformoney.我讨厌别人向我要钱。,(3)Iappreciateitifyoucouldgivemeahand.,如果你能给我帮忙，我将不胜感激。,Icantstanditwhenheoftenignoresmeandtalkswithothers.,4.Youcanrelyonitthathewillwinthematch.,你要相信那样的事不要再发生了。Youmay_it_again.,当复合宾语中的宾语是不定式、ing短语或从句，往往用it作形式宾语，而将真正的宾语移至句末，以使句子重心后移。1)WefinditdifficulttolearnEnglishwellinsuchashorttime2)Wethinkitnousecryingoverspiltmilk3)Wemadeitclearwhenandwhereweweregoingtohavethemeeting,-Doyoulike_here?-Oh,yes.Theair,theweather,thewayoflife.Everythingissonice.A.thisB.theseC.thatD.it,D,该句型中的it作形式宾语，为了记忆方便我们可称该句型为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that等引导的宾语从句。Wethinkitourdutytocleanourclassroomeveryday.HefeltitimportantlearningEnglishwell.Theyfounditdifficultthattheywouldfinishtheirworkintwodays.,Thefactthatshewasforeignmade_difficultforhertogetajobinthatcountry.A.soB.muchC.thatD.it,实战演练,2010辽宁，33,实战演练,Thedoctorthought_wouldbegoodforyoutohaveaholiday.A.thisB.thatC.oneD.it,归纳常用短语或句型：1.takeitforgrantedthat2.keepitinmindthat3.seetoitthat4.dependonitthat5.canthelpitif6.whenitcomesto,7.This/Thatisit.8.makeit9.takeiteasy10.callitaday11.gotit12.beatit,对了；就这样,成功,放松；别紧张,休息,明白,走开,13.haveit,成了，解决了,Chineseparentsthinklessofmoneywhen_comestoeducatingtheirchildren.A.oneB.heC.thatD.it,高考赏析,2008河南示范三联,Theuseof“it”(II)强调句型,Itis/was+that/who/whom+Is/Wasit+that/who/whom+？疑问词+is/wasitthat+？,Itistheabilitytodothejob_mattersnotwhereyoucomefromorwhatyouare.A.oneB.thatC.whatD.it,B,Who_helpedyouworkoutit?A.washeB.itwaswhoC.wasitthatD.itwasthat,Canyoutellmewho_helpedyouworkoutit?A.washeB.itwaswhoC.wasitthatD.itwasthat,C,D,注意事项,1.谓语动词要与主语保持一致.2.Itis/wasnotuntil+.+that.3.强调句式与定语从句的区别。,Itwas_givenagiftattheparty.A.theywhoeachwereB.themwhoeachwereC.theywhoeachwasD.themwhoeachwas,A,Itwasnot_shetookoffherdarkglasses_Irealizedshewasafilmstar.A.when;thatB.until;thatC.until;whenD.when;then,B,Itwas3oclock_wearrivedatthevillage.Itwasat3oclock_wearrivedatthevillage.A.when;whenB.when;thatC.that;thatD.that;when,B,注意：不要混淆强调句和其他从句。Itiswasthat为强调句标志，去掉后仍可组成一个完整的句子，而其他从句一般不具备这一特征。比较：1)Itwastenoclockwhenwegothomelastnight我们昨晚到家时已十点了。2)Itwasattenoclockthatwegothomelastnight我们昨晚是在十点到家的。,要点点拔,注意：不要混淆强调句和其他从句。Itiswasthat为强调句标志，去掉后仍可组成一个完整的句子，只是没被强,而其他从句一般不具备这一特征。比较：1)Itwastenoclockwhenwegothomelastnight我们昨晚到家时已十点了。2)Itwasattenoclockthatwegothomelastnight我们昨晚是在十点到家的。,要点点拔,第一句不是强调句，when不可改为that,因为去掉itwas和that后，只能组成“Wegothometenoclocklastnight”这样一个不完整的句子；第二句是强调句，that不可改为when,Itistenyears_MissGaoreturnedtoChina.thatB.whenC.sinceD.as,Itiswaswillbe一段时间before从句。这一句型意为“还有多少时就”。Itwontbelongbeforeyoureachyourgoal你离成功不远了。Itisoneyearbeforehefinishesmiddleschool他还有一年就中学毕业了。,Itiswas具体时间when-clause该句型意为“当某事发生时，时间是在”。Itwas1945whentheWorldWarTwowasover.,Itwasin1945thattheWorldWarTwowasover.,Itis（hasbeen）一段时间sinceclause。意为“自以来已有多长时间了”-Whatwasthepartylike？-Wonderful！Itsyears_Ienjoyedmyselfsomuch（NMET93）AafterBbeforeCwhenDsince,1.Itiseightyearssincetheylastmeteachother.2.ItisjustaweeksincewearrivedinBeijing.3.ItisfiveyearssinceIlastsmoked.4.Itistwomonthssincehewasill.,他们自从上次见面已经有8年了。,我们到达北京刚好一周。,我戒烟已经有5年了。,他病愈已经两个月了。,ItisfiveyearssinceIlastsmoked,我戒烟已有五年的时间了。,Itwasfourmonthssincewehadbeenhere.,我们已经4个月没来这儿了。,注意：在该句型中，若主句的be动词用了is或hasbeen，since-clause的谓语动词要用一般过去时；若主句的be动词用了was，since-clause的谓语动词须用过去完成时。,It_tenyearssincetheWhites_inthevillage.Awas；hadlivedBhasbeen；havelivedCis；haslivedDwillbe；lived,（90上海）,高考演练,ItwasfouryearssinceIhadleftschool.Itwasfouryearsthatthewarlasted.,1.ItwasonOctober1,1949thatnewChinawasfounded.2.ItwasOctober1,1949whennewChinawasfounded.3.Itwastenoclockwhenwegothome.4.Itwasattenoclockthatwegothome.,注意：在该句型中，若主句的be动词用了is或hasbeen，since-clause的谓语动词要用一般过去时；若主句的be动词用了was，since-clause的谓语动词须用过去完成时。此外，若since-clause的谓语动词是非延续性动词，则表示从句中的动作延续多长时间了；since-clause的谓语动词是延续性动词或状态动词，则表示从句中的动作已结束多长时间了，译成汉语时要特别注意。,Itwontbetoolong_shefindsasuitablejob（上海1991年高考试题）AthatBsinceCbeforeDfor,考例13:It_tenyearssincetheWhites_inthevillage（上海90）Awas；hadlivedBhasbeen；havelivedCis；haslivedDwillbe；lived,Itwontbelong_wegettogetheragain.A.thatB.whenC.beforeD.since,注意：在该句型中，若主句的be动词用了is或hasbeen，since-clause的谓语动词要用一般过去时；若主句的be动词用了was，since-clause的谓语动词须用过去完成时。此外，若since-clause的谓语动词是非延续性动词，则表示从句中的动作延续多长时间了；since-clause的谓语动词是延续性动词或状态动词，则表示从句中的动作已结束多长时间了，译成汉语时要特别注意。,Itiseightyearssincetheylastmeteachother他们自从上次相见已有八年的时间了。ItisjustaweeksincewearrivedinBeijing我们到达北京刚好一星期。ItisfiveyearssinceIlastsmoked我戒烟已有五年的时间了。Itistwomonthssincehewasill他病愈已两个月了,Itis(high)timethat-clause,E.g.1.Itis(high)timethatweshouldgotoschool.,2.Itis(high)timethatwewenttoschool.,Its(about/high)time+that-,should+V.,过去时,你该走了。,Itshightimethatyouwent.Itshightimethatyoushouldgo.,Itisthefirst/secondtimethatclause.,e.g.ItisthefirstthatIhavebeentotheGreatWall.,ThisisthefirsttimethattheseEuropeans_theGreatWall.（visit）ItwasthefifthtimethatI_afriendlyvisittoAfrica.（pay）,hadpaid,havevisited,巩固提升,表示要求，命令，建议的虚拟语气。,宾语从句，常见动词：一个坚持，两个命令，三个建议，四个要求。即1.insist2.order,command4.advise,suggest,propose，4.demand,require,request,desire,8.Itsnecessary/strange/natural/important+that-clause从句中的动词要用虚拟，即（should）+动词原形,Itisnowonderthatclause.,e.g.Itisnowonderthathehaspassedtheexam.,Itsnecessary(natural,important,strange,surprising,better,apity)that时，谓语的虚拟形式用（should）原形动词或shouldhave过去分词来表示。e.g.1.高中学生掌握一门外语很有必要。Itisnecessarythatahighschoolstudentshouldmasteraforeignlanguage.2.很遗憾他居然没有在Itisapitythatheshouldbeabsenttoday.,3.我们说话要有礼貌，这是很重要的。Itisimportantthatweshouldspeakpolitely.,在下列固定短语中，canthelpit,makeit中，it没有实际意义,IfIcanhelp_,Idontlikeworkinglateintothenight.(2006全国卷)soB.thatC.itD.them,知识过关,1.WasitduringtheSecondWorldWar_hedied？(MET88)AthatBWhileCinwhichDThen2.Is_possibletoflytothemooninaspaceship？(MET88)AnowBthatCitDMan,A,C,要点点拔,3.Idontthink_possibletomasteraforeignlanguagewithoutmuchmomorywork(MET90)AThisBthatCitsDIt4._isafactthatEnglishisbeingacceptedasaninternationallanguage(NMET95)AThereBThisCThatDIt,D,D,5.Itwasabout600yearsago_thefirstclockwithfaceandanhourhandwwasmade(NMET97)AThatBUntilCBeforeD.when,知识过关,A,6._computersplaysuchanimportantpartinourdailylife?AWhyitisthatBWhyisitthatCWhywasitthatDWhyisit,B,