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.Matchthestatementswiththepeopleinthepicture.3.Checktheanswers.4.Practicereading.Step3While-taskSBPage18,1b.1.Readtheinstructions.MakesuretheSsunderstandwhattheyshoulddo.2.Lookatthedialogueinthepicture.Explain: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。IwasstandinginfrontofthelibrarywhentheUFOarrived.3.Playthetapetwice.Circlethecorrectresponses.4.Checktheanswers.Step4Post-taskTalkaboutwhatpeopleweredoingwhentheUFOarrived.Step5While-taskSBPage19,2a.1.Readthesentences.MakesuretheSsunderstandwhattheymean.2.Playthetapetwice.Orderthesestatements.3.Playthetapeagain,correcttheanswers.SBPage19,2b.1.Readtheinstructions.2.Playtherecording.Write“when”or“while”oneachline.3.Playtherecordingagain,correcttheiranswers.Notice:when/while※Whencomesbeforeaquickactionthathappensonlyonce.Theword“while”comesfromanactionthatcontinuesforsometime.Step6Post-taskSBPage19,2c.1.Pointortthepicture.Askwhateachpersonisdoing.2.Groupwork:Ask“Whatwas…doingwhentheUFOarrived?”3.Askagrouptosayitsconversationtotheclass.Step7GrammarFocusReviewthegrammarboxbyaskingsomestudentstoreadthesentences.Homework:1.Gooverthewordsinthisunit2.用介词或介词短语填空。①Theyweretalkingthephone.②Iwasthebarber’schair.③TheboywaswalkingthestreetwhenaUFOlanded.④IhadaveryunusualexperienceSunday.⑤ThealienvisitedtheMuseumFlight.教学后记:
