海南省万宁市思源实验学校八年级英语下册Unit3WhatwereyoudoingwhentheUFOarrived（第二课时）教案人教新目标版第二课时一、教学内容：SectionA（2）:2a—-GrammarFocus二、教学目标：1.Goonlearningaboutpastevents.2．进一步学习以when,while引导的时间状语从句。三、教学重难点：1.Sentences:(1)TheboywaswalkingdownthestreetwhenaUFOlanded.(2)Whilethealienwasbuyingasouvenir,thegirlcalledthepolice.2．Vocabulary:alien,bought,landedon,gotoutof,while,tookoff3．Difficultpoints：掌握以when,while引导的时间状语从句。本课重点是掌握并进一步巩固第一课时的句型：要求学生能应用他们在实际情景中自如运用。重点词语及句型：when,while,landedon,alien,gotoutof,bought,calledthepolice,calledtheTVstation,tookoff1.TheboywaswalkingdownthestreetwhenaUFOlanded.2.Whilethealienwasbuyingasouvenir,thegirlcalledthepolice.课前准备：本课时的教学课件。四、教学步骤：Step1：Leadingin：1．DutyReport.2．Checkthehomework．Step2：Workon：SBPage19,2ａ.1．Readthesentences.MakesuretheSsunderstandwhattheymean.2．Playthetapetwice.Orderthesestatements.3．Playthetapeagain,correcttheanswers.Step3:Workon：SBPage19,2b.1.Readtheinstructions．2.Playtherecording．Write“when”or“while”oneachline．3.Playtherecordingagain,correcttheiranswers．Notice:when/whileWhencomesbeforeaquickactionthathappensonlyonce.Theword“while”comesfromanactionthatcontinuesforsometime.AskSstomakesomesentenceswith“when”and“while”andthencorrecttheirmistakesinthesentencesifthereareany.Step4：Workon：SBPage19,2c.4.Pointortthepicture.Askwhateachpersonisdoing.5.Groupwork:Ask“Whatwas…doingwhentheUFOarrived?”6.Askagrouptosayitsconversationtotheclass．Step5：Practice:Givethestudentssomeminutestohavethisdialogue.Step6：GrammarFocus：Reviewthegrammarboxbyaskingsomestudentstoreadthesentences．Homework:1.Gooverthewordsinthisunit．2．FinishofftheWK．BlackboardDesign:
