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1、Book6Unit3Grammar—UsageofitTeachingAims:Introducetheimportantusagesof“it”andsentencepatterns.TeachingImportantPoints:1.Theusageof“it”usedinthesubjectspositiontostandfortheinfinitiveoraclause.2.Theusageof“it”usedtotalkabouttime,date,distanceorweather.3.Thestructure:Itis/was+n/adj.+
2、infinitive/clause.Itis…that…TeachingDifficultPoints:Enablethestudentstouse“It”freelyandcorrectly.TeachingMethods:Explanation,Translation,Practice.TeachingAids:Computer,PowerPoint.Studentsactivity：discussion，practice，summaryTeachingProcedures:第9页共9页Step1.Lead-inT:Weallhavelearnedth
3、euseoftheword“it”,thisclasswearegoingtogooveralltheuseofit.FirstshowsomeexampleschosenfromNMETonthescreen.1.(2005,全国Ⅲ)ThedoctoradvisedVesastronglythatsheshouldtakeaholiday,but__didn’thelp.A.itB.sheC.whichD.he正确答案：A。根据句意：医生的建议未起作用。it代替整个句子。2.(2004,全国Ⅲ)-Doyoulike__here?-Oh,yes.Theai
4、r,theweather,thewayoflife.Everythingisnice.A.thisB.theseC.thatD.It 正确答案：D。根据下文，提问者不能确定被问者喜欢什么，it用于不确定指代或模糊指代。3.(2008,上海)Someoneisringingthedoorbell.Goandsee__.A.whoisheB.whoheisC.whoisitD.whoitis正确答案：D。说话时，不知道对方的性别。注意在宾语从句中需用陈述语序。4.(2007,全国Ⅰ)–Haveyouheardthelatestnews?–No,what__?A
5、.isitB.isthereC.aretheyD.arethose正确答案：A。it指代上文提及的latestnews。5.(2006,全国Ⅰ)IfIcanhelp__,Idon’tlikeworkinglateintothenight.A.soB.thatC.itD.them正确答案：C。help是“阻止、避免”的意思，it指代下文的事情。6.(2007,天津)Hedidn’tmake__clearwhenandwherethemeetingwouldbeheld.A.thisB.thatC.itD.these正确答案：C。it为形式宾语，clear后的
6、从句为真正的宾语。Step2PrensentationShowtherulesonthescreenandexplainthemtothestudents.1.Summaryone:basicusageofit第9页共9页Examples:1)It’swarmtoday.2)It’slongfromBeijingtoLandon.3)--Whoisknockingthedoor.4)--ItmaybeTom555)-Whatdoyouthinkofthemovie?-It’soneofthebestmoviesthatI’veseen.Summary1基本
7、用法:it可用来指代前文提到的人,物或事情,也可以用来指时间,金钱,距离,天气等自然现象以及婴儿.2.Summarytwo:formalsubjectShowtwopictureswiththefollowingsentencesonthescreen1）Tohavesuchamagichouseispleasant.改写成：It’spleasanttohavesuchamagichouse.2）Whetherwewillgototheoceanariumhasnotbeendecided.改写成：Ithasnotbeendecidedwhetherwew
8、illgototheoceanarium.Thenshowmore
