Unit3WhatwereyoudoingwhentheUFOarrivedSectionA(1a-2c)1.会读及运用以下新单词和词组：barber,bathroom,bedroom,kitchen,alien,bought,land,got,while，getoutof,takeoff。2.学习过去进行时的构成及用法。3.掌握when与while引导的时间状语从句。【重难点预测】1.过去进行时的构成与用法。2.when与while的用法区别。【新知导学】1.—Whatareyoudoing?—I’mhavinganEnglishclass.2.—Wherewereyouatthistimeyesterday?—Iwasintheclassroom.3.—Whatwereyoudoingatthistimeyesterday?—Iwashavingamathclass.【自主预习】1.请同学们先认真阅读学习目标，然后仔细研读课本P18—19，看完后将所学到的东西进行归纳，画出重要知识点，用红笔做好疑难标记。2.试着读一读单词表中本课时的新单词（或词组），将不会的单词圈出来，然后通过听磁带或求助于其他等方式将单词读准、读熟。3.写出下列动词的现在分词。walkstudyclean_________________makelivearrive________________shop___________getcut___________________4.翻译下列词组，如有困难，可参考资料。infrontofthelibrary_________________makeamilkshake_____________________sleeplatecookdinner___________________________getoutof__________________________talkonthephone_______________________cuthairseethealiengetout____________________visittheMuseumofFlight____________landon______________________________buyasouvenir______________________gointoastore_________________________callthepolice______________________takeoff______________________________5.把下列句子译成汉语，再模仿例句写一个。1)Thegirlwasshoppingwhenthealiengotout.______________________________________________________________________________________________________________________________________________________________2)Whiletheboywaswalkingdownthestreet,theUFOlanded.______________________________________________________________________________________________________________________________________________________________6.模仿下面的对话编写自己的对话。1)A:Whatwereyoudoingwhentheteachercameintotheclassroom?B:Iwastalkingwithmypartner.______________________________________________________________________________________________________________________________________________________________2)A:Whatdidyoudowhileyourmotherwascooking?B:Ididmyhomework.______________________________________________________________________________________________________________________________________________________________【合作探究】任务1：听一听课本1b,2a,2b的听力训练题，注意听前要利用WherewerethepeopleinthepicturewhentheUFOlandedandWhatwashe/shedoingwhentheUFOlanded句式谈论课本上的图片，可降低听力难度。任务2：完成听力之后，在小组内共同完成课本P19上2c的活动。如：A:WhatwasthemandoingwhentheUFOtookoff?B:Whilethemanwastakingaphoto,theUFOtookoff.C:WhentheUFOtookoff,thegirlwas…任务3：仔细研读课本P96的语法过去进行时，在组内交流过去进行时的结构及其用法。____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________考点聚焦◆when和while的区别when表示当……时候,既指时间点，也可指一段时间；while表示当……时候,只指一段时间，因此when引导的时间状语从句中的动词可以是终止性动词，也可以是延续性动词，而while从句中的动词必须是延续性动词。when从句的动作和主句的动作可以是同时发生，也可以是先后发生；while则强调主句的动作在从句动作的发生的过程中或主从句两个动作同时发生，从句常用进行时态。由when引导的时间状语从句，...
