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1、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.—Whatwa
2、shedoingwhentheUFOarrived?—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:Iamdo
3、ingmyhomeworknow.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
4、).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
5、?B:Iwascuttingmyhair.A:What_____you_________whentheUFOlanded?B:I_______________________________thelibrary..A:What_______Jim______________4:00lastSundayafternoon?B:He______________________________thestreet.A:______________Jimdoing______________________
6、____?B:He______________________________________________.A:What_________theydoing____________________________?B:They___________________________attheplayground.A:_______________they__________whentheUFOlanded?B:They______________________________.通过以上的练习你
7、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
8、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:Mat
