1Unit3WhatwereyoudoingwhentheUFOarrived(第5课时)SectionB3a-4导学案一、学习目标能力目标:1.继续学习when与while引导的时间状语从句2.提高阅读和写作技能。重点词语:ran,met,happen,anywhere,trainstation,runaway,comein,thinkaboutdoingsth.重点句子:WhileLindawasbuyinganewspaperatthetrainstation,thedoggotoutofhisboxandranaway.WhenLindafinallysawDavy,hewasjumpingandrunningwithanotherdog.难点:短文理解与看图写文章二、预习导学1.根据音标学习新单词,并记住中文意思。2.熟读P22的课文(对话)。3用when和while对3a中的活动进行描述4.知识点拨讨论:happen的用法:1)表示“某人发生某事”常用___________,如:Whathappenedtoyou?Acaraccidenthappenedtoherthismorning.2)表示“某地/某时发生了什么事”常用“sth.+happened+地点/时间”,主语是事物如:Thestoryhappenedin2012.Anaccidenthappenedinthatstreet.3)表示“某人碰巧做某事”用“sb.+happened+todosth.”,如:Ihappenedtomeetafriendofmineinthestreetyesterday.runaway逃跑walkaroundthestation在车站走来走去Shedidn’tthinkaboutlookingoutsidethestation.她没想到过要往车站外面看一看。thinkabout考虑lookingoutsidethestation是动名词短语,做thinkabout的宾语。lookoutside往外看thinkaboutdoingsth考虑做……三、自学检测。A.听写或读出本课时的重点单词。B.通过自学与合作学习,能快速写出这些词语。ran(原形)________met(原形)_______happen__________anywhere___________trainstation__________逃跑_________进来_______考虑做某事_______________四、合作探究:1.组内讨论预习的题目。2.跟小组长读3中的单词,并结对抽说中文意思。3.自读课文,与同伴一起翻译课文并回答问题。1)WhatwasLindadoingwhenDavyranaway?2)Whycouldn’tLindaseeDavy?3)WherewasDavywhileLindawaslookingforhim?24)WhathappenedwhileLindawaslookingforhim?5)WhatwasDavydoingwhenLindafinallysawhim?4.细读课文,能理解并翻译全文。5.让学生朗读短文。五、展示1、看图写故事,看谁写得又快又好,并评出写好的作为范文。2、游戏,两位学生扮演警察与小偷,用英语会话巩固过去进行时。六、学以致用。必做题.单项选择()1.Shesaidsheapaperkiteat7:00yesterday.A.makesB.ismakingC.willmakeD.wasmaking()2.Ionthephonewhenafriendwentintoabarber'sshop.A.talkedB.wastalkingC.talkD.istalking选做题.描述自己喜欢的一种动物。