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Unit1AsiaGrammar翻译下列句子，说出it在句中表示的意思。1.明朝和清朝的皇帝曾住在故宫，但它在1925年的时候被变成了博物馆。TheemperorsoftheMingandQingdynastiesusedtoliveinthePalaceMuseum.But_______________________in1925.(it表示：_________________)itwasturnedintoamuseumthePalaceMuseum2.有这么多形状不寻常的岩石真是神奇。___________thattherearesomanyrocksinunusualshapes.(it表示：______________)3.从我家到学校大约3公里。_____________________frommyhometomyschool,(it表示：_____)Itisamazingthat从句的内容Itisabout3kilometres距离4.租一辆自行车，骑着它环游乡村也很受欢迎。_____________________abikeandridearoundthecountryside.(it表示：________________________________________It’salsopopulartohirehireabikeandridearoundthecountrysideUsesofit用法一Usingitasapronoun用法二Usingitasanimpersonalpronoun用法三UsingittoreplacetherealsubjectorobjectLookatthebird.Itissosmall.Weuseitforanimalsandlifelessthings.UsingitasapronounThereisasmallhouseoverthere.Itismine.Thelittlebabyisdrinkingmilk.Itweighsonly3kilos.Weuseitforayoungchildwhenwedonotknowwhetheritisagirloraboy.--Whowascallingyoujustnow?--Itwasmycousin.Weuseitforanunknownperson.Weuseitforanaction,asituationoranideamentionedinapreviousstatement.RidingaroundthecountrysideispopularinGuilin,isn’tit?TouristsliketotakeaboattripalongtheLijiangRiver.Itisagreatfun.1.指代动物或无生命的东西。2.指代看不出性别的婴儿和小孩。3.指代不知道的人。（尤指打电话和敲门的状态下）4.指代前文出现的动作、状况和主意。总结1:it做人称代词TheexchangestudentsvisitedtheSummerPalaceyesterday.Keviniswritingaboutit.Readthepassagebelowandfindoutwhateachitrefersto.Writeyouranswersintheblanks.YesterdaywevisitedtheSummerPalaceandspentaboutthreehoursinit.ThepalaceisaChinesegardenandmainlyincludesahillandalake.Thelakeisverybig—ittakesupthreequartersofthearea.Itwasfrozen,sowecouldnotrowaboatthere.Itwasreallyapity.1._____________________2.________________3.________________4.______________________theSummerPalacethelakethelakewecouldnotrowaboatAcrossthelakeisa17-holebridge.Therearemanystonelionsoneithersideofit.Thelionsarealldifferentfromeachother.Isn’titamazing?WhileIwaswalkingalongthebridge,mymobilephonerang.Itwasmymum.ItoldherthattheSummerPalacewaswellworthvisiting.5.___________________6.___________________7._____________________thebridgedifferentlionsanunknownperson有时并不指具体的东西，可指天气、气候、地点、温度、时间、距离、日期等。Itis6:30p.m.Itisrainingheavilyoutside.Itis1Januarytoday.ItisNewYear’sDay.InBeijing,itiscoldandwindyinwinter.Itistwokilometresfrommyschooltomyhome.总结2it做非人称代词Usingitasanimpersonalpronounit作非人称代词1.指天气。e.g.It’sraining.2.指时间。e.g.It’shalfpasteight.3.指环境。e.g.It’squiethere.4.指距离。e.g.Howfarisitfromyourhometoyouroffice?TheexchangestudentsleftforShanghai.Kevinhasmadesomenotesinhisdiary.Rewritehissentenceswithit.1.Todayis22February.WeleftBeijingforShanghaiearlyinthemorning.____________________.WeleftBeijingforShanghaiearlyinthemorning.2.Shanghaiisabout1,300kilometresfromBeijing.________________________fromBeijingtoShanghai.Itis22FebruarytodayItisabout1,300kilometres3.Iwokeupat5a.m.thismorning._____________whenIwokeupthismorning.4.Ifeltalittlecoldwhenwewentout.Thetemperaturewasonly2℃.Ifeltalittlecoldwhenwewentout.________________.5.WinterisverycoldanddryinBeijing.Inwinter,______________________________.Itwas5a.m.Itwasonly2℃itisverycoldanddryinBeijing6.WearrivedinShanghaionasunnyday.___________________whenwearrivedinShanghai.7.Wegottoourhotelatnoon._________________whenwegottoourhotel.8.OurhotelisnotfarfromtheBund.________________fromtheBundtoourhotel.ItwasnoonItisnotfarItwasasunnydayUsingittoreplacetherealsubjectorobjectSometimesweuseittoreplacetherealsubjectorobjectinasentence.Inthissituation,weputtherealsubjectorobjectlaterinthesentenceintheformofato-infinitiveoraclause.e.g.Itisverytiringtoclimbthesteps.Itispopulartohireabicycleandridearoundthecountryside.Itisamazingthattherearesomanyrocksinunusualshapesinthecave.Manypeoplefinditpleasanttotravelaround.UsefulstructureswithitItis+adjective+(of/for…)+to…Ittakes…sometimeto…Itissaid/reported/…that……think(s)/find(s)iteasy/difficult/…to…it作形式主语或形式宾语有时为了保持句子的平衡，常用it作形式主语或形式宾语，而把真正的主语或宾语放到句子的后面。1.形式主语。e.g.It’shisdutytolookafterthesickboy.2.形式宾语。e.g.IfinditquiteeasytogetonwithTom.Itisamazingthattherearesomanyrocksinunusualshapesinthecave.ItisimportantthatweshouldlearnEnglishwell.1）Itis+adj.+that从句总结3it做形式主语2）Itis+adj.+todosth.Itisverytiringtoclimbthesteps.Itispopulartohireabicycleandridearoundthecountryside.总结3it做形式主语•a.Itiskind(ofsb.)todosth.•主句中的形容词必须是能表示逻辑主语特征的形容词。•常见的有：bad，brave，careless，clever，cruel，foolish，stupid，wisewrong等。•这个句型可以改写为：sb.iskindtodosth.。Itiskindofyoutosayso.=Youarekindtosayso.•b.Itisnecessary(forsb.)todosth.常见的形容词有：•important，necessary，natural,easy，safe，common，normal，hard，difficult,dangerous，等。Itisimportantforhertocometotheparty.•3).Ittakessb....todosth.•＂做...要花费某人..．＂IttookthousandsofpeoplemanyyearstobuildtheGreatWall.特殊句式4)Itis+v-ed+that从句Itissaid(reported，learned....)that...据说（据报道，据悉．．．）“。ItissaidthathehascometoBeijing.Manypeoplefinditpleasanttotravelaround.Wethinkitimportanttolearnaforeignlanguage.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引导的宾语从句。总结4:it做形式宾语Hefelt