Unit1Grammar课件牛津译林版英语九年级下册

Grammar—UsesofitUnit1

Asia

1.Lookatthepanda.Itissosmall.2.AnotherfamousattractionistheGreatWall.Itrunsforover6,000kilometresacrossnorthernChina.Whatdothe“it”sreferto?Weuseitforanimalsandlifelessthings.it用来指代动物或者无生命的事物。UsingitasapronounIfananimalisapet,weusuallyuseheorsheforit.Mycatisveryfriendly.Sheisahappycat.TIP1.Myauntwillhaveababysoon.Shehopesitwillbeagirl.2.Lookatthecutebabyoverthere.It’saboy,isn’tit?Whatdothe“it”sreferto?Weuseitforayoungchildwhenwedonotknowwhetheritisagirloraboy.it用来指代不清楚性别的小孩。Usingitasapronoun1.Whoisthatoverthere?MaybeitisyourfriendJack.2.Someoneisknockingatthedoor.Pleasegoandseewhoitis.Whatdothe“it”sreferto?Weuseitforanunknownperson.it用来指代不明身份的人。Usingitasapronoun1.ManypeoplehavebeentoGuilin.Itisawonderfulplace.2.RidingaroundthecountrysideispopularinGuilin,isn’tit?Whatdothe“it”sreferto?Weuseitforanaction,asituationoranideamentionedinapreviousstatement.it用来指代前面提到过的事物。UsingitasapronounYesterdaywevisitedtheSummerPalaceandspentaboutthreehoursinit.ThepalaceisaChinesegardenandmainlyincludesahillandalake.Thelakeisverybig—ittakesupthreequartersofthearea.Itwasfrozen,sowecouldnotrowaboatthere.Itwasreallyapity.Acrossthelakeisa17-holebridge.Therearemanystonelionsoneithersideofit.Thelionsarealldifferentfromeachother.Isn’titamazing?WhileIwaswalkingalongthebridge,mymobilephonerang.Itwasmymum.ItoldherthattheSummerPalacewaswellworthvisiting.1._____________________2.________3.________4._____________________theSummerPalacethelakethelakewecouldnotrowaboatthe17-holebridgethelionsarealldifferentfromeachotherunknownperson5.____________________6._____________________7.___________________UsingitasanimpersonalpronounWealsouseitforthetime,thedate,theweather,thedistance,etc.我们还可以用it作非人称代词，指代时间、日期、天气、温度、距离等。It’s6:30p.m.Itisrainingheavilyoutside.It

is1Januarytoday.ItisNewYear’sDay.InBeijing,

it

iscoldandwindyinwinter.It

istwokilometresfrommyschooltomyhome.指代时间指代日期指代天气指代距离1.Todayis22February.WeleftBeijingforShanghaiearlyinthemorning.________________________________.WeleftBeijingforShanghaiearlyinthemorning.2.Shanghaiisabout1,300kilometresfromBeijing.______________________________________fromBeijingtoShanghai.3.Iwokeupat5a.m.thismorning._________________whenIwokeupthismorning.4.Ifeltalittlecoldwhenwewentout.Thetemperaturewasonly2℃.Ifeltalittlecoldwhenwewentout._____________________.Itis22FebruarytodayItisabout1,300kilometresItwas5a.m.Itwasonly2℃5.WinterisverycoldanddryinBeijing.Inwinter,_____________________________________.6.WearrivedinShanghaionasunnyday.______________________whenwearrivedin

Shanghai.7.Wegottoourhotelatnoon.______________whenwegottoourhotel.8.OurhotelisnotfarfromtheBund.______________fromtheBundtoourhotel.ItwasnoonItisnotfarItwasasunnyday

itisverycoldanddryinBeijing

UsingittoreplacetherealsubjectorobjectSometimesweuseittoreplacetherealsubjectorobjectinasentence.Inthissituation,weputtherealsubjectorobjectlaterinthesentenceintheformofato-infinitiveoraclause.it还可以用来作为形式主语或形式宾语，指代动词不定式或从句。Itisverytiringtoclimbthesteps.Itisgoodthatwehavemanyfriends!Ifinditeasytosolvetheproblem.Usingittoreplacetherealsubjectorobjectit作为形式主语常用于下句型：Itis+adj.+(of/forsb.)+todosthIttakessb.sometimetodosth.Itissaid/reported/believed/thought/known…that…think/find/make/feelit+adj.+todosth.it作为形式宾语常用于下列句型：NobodythinksiteasytofigureoutthisMathproblem.Ifinditinterestingtolearnsomethingnew.UsingittoreplacetherealsubjectorobjectitiseasyIt’ssunnyitItissaidItisfunitItiskindmakeitforgetitb