unit3whatwereyoudoingwhentheufoarriveTeachinggoals: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.Period3Teachingprocedures:Step1Leadingin1.Greetingsandfree-talk.2.Checkthehomework.Step2Pre-taskSBPage21,1c.1.Lookatthepictures.Pleasesaysomethingaboutthepicture.2.Readthesentencesandexplainthenewwords.3.Matchthesentenceswiththepictures.4.Checktheanswers.Step3While-taskSBPage21,2a&2b.1.Readthethingsinthechartbelow.TheywillhelpSstoguesswhatyouwillheard.Hearsixthingsinthechart.2.Playtherecordingthefirsttime.Ssonlylisten.3.Playtherecordingasecondtime.Checkthephrasestheyhearontherecording.4.Listenagain.Payattentiontothepersonswhodideachthinginthechartabove.Matchthephraseswiththepersons.5.Playthetapeagainandcorrecttheanswers.Step4Post-taskSBPage21,2c.Pairwork:Readthesampledialogueinthebox.Talkaboutthepeopleinactivity2a.S1beginsasentencewiththeword“while”,S2completethesentence.①WhileJohnwaswalkingtoschool,hesawacatinatree.②WhileJohnwasclimbingthetree,amansawhim.③Whilethemanwascallingthepolice,awomancalledthenewspaper.④Whilethenewspaperreporterwastakingphotos,thecatwentupthetreeagain.Sscansaythemoutbythemselves.Homework:SBPage23,Selfcheck,Parts1and2.教学后记:
