新概念英语教案-第二册-16--.doc

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1、Lesson16-Apoliterequest一、背景信息二、教学重点1.时态：条件状语从句（主将从现）。三、教学目标：1.掌握新单词和新句型(if条件状语从句)的用法，并能再现实生活中灵活恰当的运用2.提高学生用英语与他人交际的能力。四、精讲课文1.Ifyouparkyourcarinthewrongplace,atrafficpolicemanwillsoonfindit.条件状语从句（主将从现）park→parking→parkingarea停车场2.Youwillbeveryluckyifh

2、eletsyougowithoutaticket.条件状语从句（主将从现）ticket罚单；getaticket吃罚单；givesb.aticket(forspeeding)给别人开罚单3.However,thisdoesnotalwayshappen.doesnotalways并不总是≈onlysometimes/seldom4.Trafficpolicearesometimesverypolite.police集体名词，复数概念。apoliceman→policemen;apolicewoman

3、→policewomen5.DuringaholidayinSweden,Ifoundthisnoteonmycar.during...在…期间。note纸条、便条；笔记→notebook笔记本6.Sir,wewelcomeyoutoourcity.welcomesb.tosomeplace欢迎某人来某地。7.Thisisa"NoParking"area.标识语：Noparking.Nosmoking.Nocycling.Notalking.8.Youwillenjoyyourstayhereify

4、oupayattentiontoourstreetsigns.条件状语从句（主将从现）enjoyoneself/sth./doingsth.例句：Childrenareenjoyingthemselvesswimminginthepool.9.Thisnoteisonlyareminder.remind[v.]→reminder[n.]提示人/提示物remindsb.ofsth./remindsb.todosth.例句：Theoldphotoremindsmeofmychildhood.Please

5、remindmetolockthedoor.10.Ifyoureceivearequestlikethis,youcannotfailtoobeyit!条件状语从句（主句情态动词没有将来时，而从句仍然是一般现在时）receive接收VS接受acceptlikethis/that像这样/那样的obeysth./todosth.遵守…例句：Weshouldobeytherules.failsth./indoingsth.在某事上失败。例句：Hefailedtheexam./Hefailedintheex

6、am.failtodosth.（因忘记或疏忽而）未能做某事例句：Hefailedtocome.Heneverfailstowritetohismothereveryweek.6难点结构：Type1conditionalstatementsaIf+presenttense,withfuturetenseinthemainclause.Notethatshall/willmayNOTbeusedintheif-clausein：Ifitrains,weshallstayathome.Thistypeof

7、conditionalsentenceimpliesthattheactionintheif-clausewillprobablytakeplace.Othermodalsmaybeusedinplaceofshall/willinthemainclause：Ifitrains,wecan/must/may/oughttostayathome.biThemainclausemaycontainanimperative,inwhichcasethestatementmayapplytotheprese

8、ntorthefuture,dependingonthecontext.iiNoticethelastsentenceinthetext：Ifyoureceive⋯,youcannotfail⋯Whenthepresenttenseisusedinbothclauses,thestatementisageneralone：Iftheconditionisfulfilled,theactionalwaystakesplace.Comparethesentenceinaa