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1、Unit3WhatwereyoudoingwhentheUFOarrived?Teachinggoals:1.Words:barbershop,well,bathroom,accident,earth,silence,playground,around,strange,kitchen,modern,follow,shirt.2.when,while引导的时间状语从句。3.学习过去进行时态。4.利用知识谈论过去发生的事情。5.复习过去式，学会讲故事。6.了解一些自然科学知识和社会科学知识。Importantanddifficultpoints:1.when,while引导的时间状语从句。2.学
2、习过去进行时态。Teachingaids:atape-recorder,cards.Period1Teachingprocedures:Step1Leadingin1.Greetingsandfree-talk.2.Checkthehomework.3.DictatethewordsinUnit2.Step2Pre-taskSBPage18,1a.1.Pointtothesentences.Readthesentences.Explainwhateachonemeans.2.Lookatthepicture.Pointoutthesixpeople.Matchthestatementswit
3、hthepeopleinthepicture.3.Checktheanswers.4.Practicereading.Explain:Ainfrontof在…的前面inthefrontof在同一个空间的前部。Bgetoutof从….出去Carrivein+大地名arriveat+小地名reach+地名getto+地名get+副词（home,there）Step3While-taskSBPage18,1b.1.Readtheinstructions.MakesuretheSsunderstandwhattheyshoulddo.2.Lookatthedialogueinthepicture.E
4、xplain:过去进行时态的构成:was/were+doing.用法:表示过去某一时刻或某一段时间正在进行的动作，一般用时间状语来表示。IwasstandinginfrontofthelibrarywhentheUFOarrived3.Playthetapetwice.Circlethecorrectresponses.4.Checktheanswers.Step4Post-taskTalkaboutwhatpeopleweredoingwhentheUFOarrived.Step5While-taskSBPage19,2a.1.Readthesentences.MakesuretheSsu
5、nderstandwhattheymean.2.Playthetapetwice.Orderthesestatements.3.Playthetapeagain,correcttheanswers.SBPage19,2b.1.Readtheinstructions.2.Playtherecording.Write“when”or“while”oneachline.3.Playtherecordingagain,correcttheiranswers.Notice:when/while1.when可指时间点，又可指时间段，从句中可用延续性动词，也可用非延续性动词。 2.while总是指一个时
6、间段，从句中必须用延续性动词。3.统一时态：主句过去式，从句也是过去式.Step6Post-task1.SBPage19,2c.Pointortthepicture.Askwhateachpersonisdoing.2.Groupwork:Ask“Whatwas…doingwhentheUFOarrived?”3.Askagrouptosayitsconversationtotheclass.4.Expiaintakeoff起飞脱衣服Step7GrammarFocusReviewthegrammarboxbyaskingsomestudentstoreadthesentences.Homew
7、ork:1.Gooverthewordsinthisunit2.用介词或介词短语填空。①Theyweretalkingthephone.②Iwasthebarber’schair.③TheboywaswalkingthestreetwhenaUFOlanded.④IhadaveryunusualexperienceSunday.⑤ThealienvisitedtheMuseumFlight.Period2Te
