课题：Unit6Howlonghaveyoubeencollectingshells?序号：1编写人：马洪灏班级：_______________姓名：_______________I．导学内容：Period1SectionA1a-2cII．导学目标知识点、知识点1．重点词汇：Collect_______________Skate_________________Shell________________Since________________Marathon______________Hilltopschool________________2．重点句子：⑴--Howlonghaveyoubeenskating?→I’vebeenskatingfor5hours.⑵--Whendidyoustartskating?→Istartedskating/diditat9o’clock.III．导学过程：Step1预习读重点词汇、句子，翻译成汉语。Step2课堂导学：1．LeadinginT:Eachonehasah______,whatdoyoulikedoingyourfreetime?S:Ilikep_________basketball.T:Whendidyous_________(playing)it?S:WhenIwasten.T:How________areyounow?S:Iam15yearsold.T:Oh,hehasbeenplayingbasketballfor5years.2.Practice3.listeningReporter：Alison,congratulationson________theskatingmarathon!Alison：Thankyou.Reporter：So,howlongdidyou______today?Alison：_____sixhours!Reporter：_____thisyourfirstskatingmarathon?Alison：No,I_______inamarathonlastyear.Reporter：You'reanexcellentskater,Alison.______youskateeveryday?Alison：_____,Ido.Reporter：Howlonghaveyou________skating?Alison：_______Iwassevenyearsold.Igotmyfirst______ofskatesonmybirthdayfrommygrandmother...Step3教师引导、学生自我小结：现在完成进行时：表示从过去开始一直持续到现在的工作，这个动作可能刚结束，也可能还要继续下去，常与fortwohours,since1998,allthismorning,thesefewdays等表示一段时间的状语连用。强调“谈论一直做某事”。现在完成进行时的构成：主语+have/hasbeen+（现在分词）doingE.g.Ihavebeencleaningtheroomallthismorning.我今天一上午都在打扫房间。否定形式为：主语+have/has+not+beendoingE.g.Ihaven’tbeenseeingafilmforalongtime.我好长时间没看电影了。一般疑问句构成：Have/Has+主语+been+doing+其他?回答：Yes,主语+have/has.No,主语+haven’t/hasn’tE.g.Haveyoubeendoingyourhomeworksincethismorning?特殊疑问句形式：特殊疑问词+have/has+主语+been+doing+其他?E.g.Howlonghasitbeenraining?雨下多久了？注：for表示时间的持续，后跟时间段。表示一段时间，多与带数词的名词连用，谓语需用延续性动词。（for+一段时间）since表示“自从过去某一时间点以来”，后面接时间点，强调动作或状态一直延续到现在，一般用现在完成时或现在完成进行时。since后可接表时间的名词或名词短语，也可接一个时间状语从句。（since+点时间or从句）Step4课堂练习用for或since填空1.I’vebeendancing_____Monday.2.Myfatherhasbeenworkinginthatfactory_____30years.3.Hehasbeenswimming_____halfanhour.4.Ihavebeenstudyingatthisschool_____2008.