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1、it的用法一、代词人称代词it可以用来代替一个名词、短语、句子，以免重复。(1)指代刚提到过的同一事物（同类；同一）Thisismynewcar.Iboughtityesterday.(2)指动物或不考虑性别的婴儿Whereisthecat?It’sunderthebed.Thebabycriedwhenitwashungry.(3)在情景中确认某人或事物（不知性别的人）Whoisit?It’sme.(敲门)---Who’sitoverthere?---It’sthemilkman.(4)指代前句或后句
2、所述的情况/事情HesmokesinbedandIdon’tlikeit.Itwouldbegreatifyoucouldjoinus.(5)指时间、距离、天气或环境等（非人称代词）Whattimeisit?It’sseven.It’sabout50kilometersfromheretomyhome.Itissnowing.Itwasveryquietinthegarden.Iwasdisappointedwiththefilm，Ihadexpected_______tobemuchbetter．A．
3、thatB．thisC．oneD．it2.Tom'smotherkepttellinghimthatheshouldworkharder,___didn'thelp.A.heB.thatC.sheD.butit二、引导词it(1)it用作形式主语:当_______,_______,_____作主语时，常用it做形式主语，It’sapitytorefuse.拒绝是令人遗憾的。It’snousesayinganymoreaboutit.再谈这事没有用。It’snotknownwhereshewent.她到哪
4、里去了没人知道。不定式动名词从句一it用作形式主语注：It’snouse/nogood/nopleasure/useless/awasteof…+doingB.Itissaid(reported/believed/expected/accepted…)that…据（报道，认为…）….C.Ithappens(appears,seems…)that…;Itstruckme/occurredtomethat…突然想到..D.Itisapity(nowonder,)that…E.Itdoesn’tmattert
5、hat……没关系;Itmakesnodifferencethat……没影响F:It’simportant(necessary,easy,kind…)___/____sbtodosth.forof他说什么都没关系。______________________________他好像总是对的。_________________________________碰巧我当时没有带钱。_____________________________据说他已经入党了。_____________________________
6、__Itdoesn’tmatterwhathesaidItseemsthatheisalwaysrightIthappenedthatIdidn’thavemoneyonme.Itissaidthathehasjoinedtheparty.___difficulttobeinaforeigncountry,especiallyifyoudon’tspeakthelanguage.ThatisalwaysB.ItisalwaysC.ItwouldbealwaysD.Thatwillalwaysbe2.__
7、_onedaytheywillhaveenoughanimalstosetthemfree.ItishopedforB.whatishopedthatC.AsishopedthatD.Itishopedthat(2)it用作形式宾语:当________、________、_______等用作宾语且其后跟有_____时，使用形式宾语it，而将真正的宾语移至句末。这类的动词有使役动词，find,make，feel,think,consider,seetoitthat…(务必)等。如：Ifinditeasyt
8、ogetonwithher.Ithinkitbestthatyoushouldstayhere.不定式动名词从句宾补it用作形式宾语:(3)句式A.喜好：enjoy,like,dislike,love,hate,appreciateitwhen/if/that….Idon’tlikeitwhenpeopletalkwiththeirmouthsfull.Iappreciateitifyoucanhelpme.他讨厌别人用他的自行车。____
