Unit1Grammar課件牛津譯林版英語九年級(jí)下冊(cè)

Grammar—UsesofitUnit1

Asia

1.Lookatthepanda.Itissosmall.2.AnotherfamousattractionistheGreatWall.Itrunsforover6,000kilometresacrossnorthernChina.Whatdothe“it”sreferto?Weuseitforanimalsandlifelessthings.it用來指代動(dòng)物或者無生命的事物。UsingitasapronounIfananimalisapet,weusuallyuseheorsheforit.Mycatisveryfriendly.Sheisahappycat.TIP1.Myauntwillhaveababysoon.Shehopesitwillbeagirl.2.Lookatthecutebabyoverthere.It’saboy,isn’tit?Whatdothe“it”sreferto?Weuseitforayoungchildwhenwedonotknowwhetheritisagirloraboy.it用來指代不清楚性別的小孩。Usingitasapronoun1.Whoisthatoverthere?MaybeitisyourfriendJack.2.Someoneisknockingatthedoor.Pleasegoandseewhoitis.Whatdothe“it”sreferto?Weuseitforanunknownperson.it用來指代不明身份的人。Usingitasapronoun1.ManypeoplehavebeentoGuilin.Itisawonderfulplace.2.RidingaroundthecountrysideispopularinGuilin,isn’tit?Whatdothe“it”sreferto?Weuseitforanaction,asituationoranideamentionedinapreviousstatement.it用來指代前面提到過的事物。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.我們還可以用it作非人稱代詞，指代時(shí)間、日期、天氣、溫度、距離等。It’s6:30p.m.Itisrainingheavilyoutside.It

is1Januarytoday.ItisNewYear’sDay.InBeijing,

it

iscoldandwindyinwinter.It

istwokilometresfrommyschooltomyhome.指代時(shí)間指代日期指代天氣指代距離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還可以用來作為形式主語或形式賓語，指代動(dòng)詞不定式或從句。Itisverytiringtoclimbthesteps.Itisgoodthatwehavemanyfriends!Ifinditeasytosolvetheproblem.Usingittoreplacetherealsubjectorobjectit作為形式主語常用于下句型：Itis+adj.+(of/forsb.)+todosthIttakessb.sometimetodosth.Itissaid/reported/believed/thought/known…that…think/find/make/feelit+adj.+todosth.it作為形式賓語常用于下列句型：NobodythinksiteasytofigureoutthisMathproblem.Ifinditinterestingtolearnsomethingnew.UsingittoreplacetherealsubjectorobjectitiseasyIt’ssunnyitItissaidItisfunitItiskindmakeitforgetitb