高中英语Unit 3 A Healthy Life Learning about languageVIP免费

Unit3AHealthyLifePartOne:TeachingDesign(第一部分：教学设计)Period2:AsamplelessonplanforLearningaboutLanguage(Theuseof“it”(1))AimsTolearntograsptheuseof“it”TodiscoverusefulwordsandexpressionsTodiscoverusefulstructuresProceduresI.WarmingupWarmingupbyfastreadingNicetooseeyouonthisbrightcoolmorning.Towarmuplet’sdoafastreadingofapieceoflatestnewsaboutsmokinginChina.Readforthekeyideaandsupportingdetails.Chinesesmokersburn3morecigarettesthanworldaverage中国烟民吸烟数比世界平均数多三支Source:XinhuaNewswire,2005-05-09ArecentsurveycarriedoutbyChinaHorizonResearchshowsChinesesmokersburn15.8cigarettesperday,whichisthreemorethantheworldaverage13.Thesurveyalsotellsusthenumberofmalesmokersismuchlarger.Averagemoneypaidforeachpackofcigarettesis4.6yuan.Zhejiangsmokersarethemostlavishwiththeir用心爱心专心116号编辑habit.Theyaveragelypaynineyuanforeachpack,whileHunansmokerspayanaverageofthreeyuanperpack.Mostsmokers'educationallevelislow.Eightypercentofthemhaveonlyreceivedahighschooleducationorlower.II.it句型大归纳1.Itis+被强调部分+that...该句型是强调句型。将被强调的部分放在前面，其它部分置于that之后。被强调部分可以是主语，宾语，表语或状语。强调的主语如果是人，that可以由who换用。把这种句型结构划掉后，留下的应该是一个完整的句子，这是判断该句是强调句型还是其它从句的方法。Itwasabout600yearsagothatthefirstclockwithafaceandanhourhandwasmade.Itwastheythat(who)cleanedtheclassroomyesterday.ItwasinthestreetthatImetherfather.2.Itisnotuntil+被强调部分+that...直到……才……该句型也是强调句型。主要用于强调时间状语，可以说是not...until...的强调形式。ItwasnotuntilshetookoffherdarkglassesthatIrealizedshewasafamousfilmstar.=NotuntilshetookoffherdarkglassesdidIrealizeshewasafamousfilmstar.=Ididn’trealizeshewasafamousfilmstaruntilshetookoffherdarkglasses.3.Itisclear(obvious,true,possible,certain....)that.....……是清楚（显然，确切，肯定．．．）的该句型中it是形式主语，真正的主语是that引导的主语从句，是主语从句最常见的一种结构。Itisveryclearthathe’sroundandtalllikeatree.=Thathe’sroundandtalllikeatreeisveryclear.4.Itisimportant(necessary,right,strange,natural...)that...该句型和3同属一个句型。that后的从句中需用虚拟语气should+动词原形（should可省去）。Itisimportantthatwe(should)learnEnglishwell.Itisnecessarythathe(should)rememberthesewords.5.Itissaid(reported,learned....)that...据说（据报道，据悉……）该句型中的it仍是形式主语，真正主语是that引导的主语从句。ItissaidthathehascometoBeijing.Itisreportedthatanotherearthsatellitehasbeenputintoorbit.6.Itissuggested(ordered...)that...据建议；有命令……该句型同属上。主句中的过去分词表示请求，建议，命令等意，that后的从句要用虚拟语气should+动词原形（should可省去）。Itissuggestedthatthemeeting(should)beputoff.用心爱心专心116号编辑Itwasorderedthatwe(should)arrivethereintwohours.7.Itisapity(ashame...)that...竟然……该句型中，that后的从句一般用虚拟语气should+动词原形（should可省去）,表示出乎意料。没有这种意义时，则不用虚拟语气。Itisapitythatsuchathing(should)happeninyourclass.这种事竟然发生在你们班上，真是遗憾！Itisapitythatheisill.他生病了，真遗憾！8.Itistime(abouttime,hightime)that...是（正是）……的时侯了该句型中that后的从句应该用虚拟语气，值得注意的是①常用过去时态表示虚拟．②有时也用should+动词原形，should不能省。Itistimethatchildrenshouldgotobed.=Itistimethatchildrenwenttobed.9.Itisthefirst(second...)timethat...是……第一（二）次……该句型要和上一个句型区别开来。该...