第2讲代词I①amaseniorhighschoolstudentI①wantandtojoinour②schoolfootball，teambutthepersoninchargehasrejectedme③.Ihavetospendmy②sparetimepracticingfootballtoimprovemyself④.Look!Thefootballundertheminebed⑤is.Ithasbeenwornout.[规则感悟]①为人称代词的主格形式作主语。②为形容词性物主代词，放在名词之前作定语。③为人称代词的宾格形式作宾语。④为反身代词，可作宾语、表语或同位语。⑤为名词性物主代词，后面不加名词，可作主语、宾语或表语。(一)代词的形式类别主格宾格形容词性物主代词名词性物主代词反身代词Imemyminemyself第一人称weusouroursourselvesyouyouyouryoursyourself第二人称youyouyouryoursyourselveshehimhishishimselfsheherherhersherself第三人称itititsitsitselftheythemtheirtheirsthemselves(二)反身代词的习惯用法byoneself独自地foroneself亲自；为自己与介词搭配ofoneself自动地inoneself本质上；本身applyoneself专心致志于tobehaveoneself举止得体；行为检点dressoneself打扮；自己穿衣与动词搭配devoteoneself致力于；献身于tohelponeself随便吃to/用enjoyoneself玩得开心seatoneself就座；入席1makeyourselfathome别客气teachoneself自学(三)it的用法1．指天气、时间、距离、环境等。Itisearlyspring，butitisalreadyveryhot.现在是初春，但是天气已经很热了。Itistwentymilesfromheretothevillage.从这里到那个村庄有20英里路。2．代替前面提过的事物、群体、想法等或代替指示代词。Althoughhedoesn’tlikeit，Idecidetoseethemovieanyway.尽管他不喜欢看这部电影，但我还是决定去看一看。3．指不知性别的孩子和婴儿或不明确的人(由于某种原因而不知对方是谁)。Whatwillyoucallitifitisaboy?要是男孩的话，你会给他取个什么名字？4．用作形式主语或形式宾语，代替不定式、动名词或从句。(1)it作形式主语的常用句型：①It＋be＋adj./n.＋for/of＋不定式sbItisimportantforstudentstolearnEnglish对学生来说学好英语是重要的。well.Itwasfoolishofhimtoleavethedooropenafterhelefttheoffice.他离开办公室之后没关门，真是糊涂了。②Itisnogood/use/uselessdoing做某事是sth.没有好处/用处的。Itisnousecryingoverthespiltmilk.为打翻的牛奶而哭泣是没有用处的。(覆水难收。)③It＋be＋名词词组(apity/afact/nowonder...)/adj.＋that从句Itisapitythatyou’tcangowithher.很遗憾你不能和她一起去。④It＋特殊动词(短语)(seem/appear/turnout/occurto＋thatsb...)从句Itseemsthathehasmadeaseriousmistake.他似乎犯了一个严重的错误。⑤It＋be＋过去分词＋that从句Itisreportedthat20peoplewerekilledintheearthquake.据报道有20人死于这次地震。⑥Ittakessbtime/patience/effort/energytodosthIttookhimmuchenergytowritethenovel.2写这部小说耗费了他大量的精力。(2)it作形式宾语的常用句型：主语＋think/believe/suppose/consider/feel/make/keep...＋it＋adj./n.＋(for/ofsb)todo宾语从sth/句IfinditeasytogetonwithJim.我发现同吉姆相处很容易。Hedidn