湖南省株洲市天元区马家河中学八年级英语《Unit3WhatwereyoudoingwhentheUFOarrived》学案人教新目标版学习目标：Newwords:UFO,barber,bathroom,alien,kitchen,bought,land,got,whileKeyphrases:getout,takeoffKeysentences:⑴.—WhatwereyoudoingwhentheUFOarrived?—Iwascookingdinnerinthekitchen.⑵.—WhatwashedoingwhentheUFOarrived?—Hewassleepinglatewhenitarrived.⑶.Thegirlwasshoppingwhenthealiengotout.⑷.Whilethegirlwasshopping,thealiengotout.学习重难点：◆重点掌握过去进行时态的用法。◆难点掌握when和while的用法。前置学习:一.仔细观察下的对话,用“_____”标出对话中所出现的时间，并补全句子.1．A:Whatareyoudoingnow?B:Iamdoingmyhomeworknow.TheyarehavinganEnglishlesson.2．A:Whatwereyoudoingat9o’clocklastnight?B:Iwasdoinghomework.C:_________________________________(我正在打扫我的房间).A:Whatwereyoudoingwhenyourmothercamebackyesterday?B:I______________________________________(我正在讲电话).试总结:对话1用了______进行时态,对话2用了__________进行时态.二.根据下面的表格完成问答.IJimThey4:00pmlastSundaycuttinghairwalkingdownthestreetplayingtennisattheplaygroundwhentheUFOlandedgettingoutofthelibrarymakingamilkshakesleepinglate例如：A:Whatwereyoudoingat4:00lastSundayafternoon?B:Iwascuttingmyhair.A:What_____you_________whentheUFOlanded?B:I_______________________________thelibrary..A:What_______Jim______________4:00lastSundayafternoon?B:He______________________________thestreet.A:______________Jimdoing__________________________?B:He______________________________________________.A:What_________theydoing____________________________?B:They___________________________attheplayground.A:_______________they__________whentheUFOlanded?B:They______________________________.通过以上的练习你能归纳出过去进行时be动词的规律吗？I/He/She+_______+doingThey/You+_______+doing三．A.将下面的句子翻译成中文，并仔细观察进行比较。1.TheboywaswalkingdownthestreetwhentheUFOlanded.2.Whiletheboywaswalkingdownthestreet,theUFOlanded.总结：When与while:都是“当……的时候”,但如2句,后接的动词用过去进行时，多选用___________;而后接的动词用一般过去时态时，用_______.B.根据句意，选词填空1.ShewaswatchingTV_________(when/while)hermothercamein.2.____________(When/While)theboywaswalkingdownthestreet,theUFOlanded.3.Helen________(wasreading/read)underthetreewhentheUFO__________(waslanding/landed).展示交流:Matching1a达标拓展:1、写出本课的主要语法结构：过去进行时构成---__________________________具体用法：过去进行时表示在_____________某一时间内___________或___________的动作。和一般过去时的区别：2、本课的when和while的用法：（1）when引导的从句时态多为______________和___________（2）while引导的从句时态多为_________________.3、arrive,get和reach的区别。三者都有“______________”之意，但arrive表“到达某地”时，后面必须跟介词________或____________;get后跟地点名词时要加介词_________;reach后则可直接跟地点名词。如:gettoBeijing=_______________/_________温馨提示:gethome/there=arrivehome/there=reachhome/there教学评价:用所给词的适当形式填空1.Whentheteachercamein,thestudents___________(talk).2.He___________(do)hishomeworkattwoyesterdayafternoon.3.Thestudents__________(read)Englishintheroomnow.4.Atthattimetheboy________（play）footballwithhisfriends.5.WhileI_________(talk)withMr.LiinEnglish,hecalledme.学后反思:_____________________________________第二课时(SectionA2a-4)学习目标：Newwords:experience,imagine,follow,strange,amazing,kidKeyphrases:followsb.todosth,haveanunusua...
