2019春九年级英语下册Unit1AsiaGrammar教学课件新版牛津版.ppt

,Unit1AsiaGrammar,Usesofit,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：_),Revision,itwasturnedintoamuseum,thePalaceMuseum,2.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：_),Itisamazing,that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：_,Itsalsopopulartohire,hireabikeandridearoundthecountryside,Usesofit,Lookatthebird.Itissosmall.,Weuseitforanimalsandlifelessthings.,Usingitasapronoun,Thereisasmallhouseoverthere.Itismine.,Thelittlebabyisdrinkingmilk.Itweighsonly3kilos.,Weuseitforayoungchildwhenwedonotknowwhetheritisagirloraboy.,-Whowascallingyoujustnow?-Itwasmycousin.,Weuseitforanunknownperson.,Weuseitforanaction,asituationoranideamentionedinapreviousstatement.,RidingaroundthecountrysideispopularinGuilin,isntit?,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.Thelakeisverybigittakesupthreequartersofthearea.Itwasfrozen,sowecouldnotrowaboatthere.Itwasreallyapity.,1._,2._,3._,4._,theSummerPalace,thelake,thelake,wecouldnotrowaboat,Acrossthelakeisa17-holebridge.Therearemanystonelionsoneithersideofit.Thelionsarealldifferentfromeachother.Isntitamazing?WhileIwaswalkingalongthebridge,mymobilephonerang.Itwasmymum.ItoldherthattheSummerPalacewaswellworthvisiting.,5._,6._,7._,thebridge,differentlions,anunknownperson,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.ItisNewYearsDay.InBeijing,itiscoldandwindyinwinter.Itistwokilometresfrommyschooltomyhome.,总结2it做非人称代词,Usingitasanimpersonalpronoun,it作非人称代词1.指天气。e.g.Itsraining.2.指时间。e.g.Itshalfpasteight.3.指环境。e.g.Itsquiethere.4.指距离。e.g.Howfarisitfromyourhometoyouroffice?,TheexchangestudentsleftforShanghai.Kevinhasmadesomenotesinhisdiary.Rewritehissentenceswithit.,LeavingforShanghai,1.Todayis22February.WeleftBeijingforShanghaiearlyinthemorning._.WeleftBeijingforShanghaiearlyinthemorning.2.Shanghaiisabout1,300kilometresfromBeijing._fromBeijingtoShanghai.,Itis22Februarytoday,Itisabout1,300kilometres,3.Iwokeupat5a.m.thismorning._whenIwokeupthismorning.4.Ifeltalittlecoldwhenwewentout.Thetemperaturewasonly2.Ifeltalittlecoldwhenwewentout._.5.WinterisverycoldanddryinBeijing.Inwinter,_.,Itwas5a.m.,Itwasonly2,itisverycoldanddryinBeijing,6.WearrivedinShanghaionasunnyday._whenwearrivedinShanghai.7.Wegottoourhotelatnoon._whenwegottoourhotel.8.OurhotelisnotfarfromtheBund._fromtheBundtoourhotel.,Itwasnoon,Itisnotfar,Itwasasunnyday,Usingittoreplacetherealsubjectorobject,Sometimesweuseittoreplacetherealsubjectorobjectinasentence.Inthissituation,weputtherealsubjectorobjectlaterinthesentenceintheformofato-infinitiveoraclause.,e.g.Itisverytiringtoclimbthesteps.Itispopulartohireabicycleandridearoundthecountryside.Itisamazingthattherearesomanyrocksinunusualshapesinthecave.Manypeoplefinditpleasanttotravelaround.,UsefulstructureswithitItis+adjective+(of/for)+toIttakessometimetoItissaid/reported/thatthink(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.Itshisdutytolookafterthesickboy.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，mon，normal，hard，difficult,dangerous，等。Itisimportantforhertoetotheparty.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）“。ItissaidthathehasetoBeijing.,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,HefeltitimportanttolearnEnglishwell.Theyfounditdifficultthattheywouldfinishtheirworkintwodays.,总结4it做形式宾语,MissThompson,aBritishteachertravellingwiththeexchangestudents,iswritingdownwhatshethinksaboutShanghai.Helpherpletehernoteswithit.,Traffic:Thetrafficisoftenbusy,butpublictransporthereisquitegood,so_(easy)forpeopletogetaround.Weather:_(sunny)andwarm.Welike_here.Environment:_(said)thattheairisnotcleanhere,butIdonotthinkthepollutionisasseriousasIimagined.,itiseasy,Itissunny,it,Itissaid,Signs:Shanghaiisbeautiful._(fun)toridearoundthecityandvisittheinterestingplaces.Food:Chinesefoodisdelicious.IwillaskmyfamilytogotoaChineserestaurantandtry_whenIgetback.,Itsfun,it,Hotel:Weallthink_(fortable)tostayinthishotel.Theyprovideahighlevelofservice.People:Thelocalpeoplearefriendly._(kind)ofthemtoanswerallourquestions.,itsfortable,Itskind,n.水平,n.服务，工作,1.Thelakeisverybigittakesupthreequartersofthearea.湖很大，占了四分之三的面积。takeup占据（空间）；占用（时间）e.g.Thetabletakesuptoomuchspace.这张桌子太占地方了。quartern.四分之一,2.Acrossthelakeisa17-holebridge.Therearemanystonelionsoneithersideofit.湖上有一座十七孔桥，桥两边有很多石狮子。倒装句。表示方位的词或短语置句首时，句子要完全倒装。e.g.Onthewallarepictures.注意：主语为代词时不倒装。e