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Unit4JourneyacrossavastlandLearningAboutLanguagePeriod2教学设计教材分析本单元聚焦过去分词与动词一沅g形式的用法比较过去分词和动词.沅g形式作表语时，过去分词与其逻辑主语之间一般是被动关系，而动词-沅g形式则表示主动关系过去分词和动词-力吆形式作状语时，一般在句子中表示时间、原因或伴随状态等过去分词与其逻辑主语之间是被动关系，往往含有完成意思，而动词-i僧形式则表示主动关系教学目标Bytheendofthelessonstudentswillbeableto:Guidethestudentstothinkaboutthedifferentmeaningsandfunctionsofpastparticipleformsaspredicativeandadverbial;Letthestudentspracticeandfurtherconsolidatetheuseofpastparticipleformasadverbial;Cultivatestudentsthinkingabilityandenhancetheircreativityofusingthisgrammar.教学重难点【教学重点】EnabletheSstoanalysethedifferenceinusesandmeaningsofpastparticiplesand-ingforms;EnabletheSstousethepastparticiplesandthe-ingformstocreateadverbialclauses;EnabletheSstouseadverbialclausestocreatethepastparticiplesorthe-ingforms.【教学难点】EnabletheSstouseadverbialclausestocreatethepastparticiplesorthe-ingforms.教学过程Step1Warming-upAnalysethefollowingsentencesandpaymoreattentiontothewordsinred.设计意图引导学生对语法结构进行分析，引入目标语法项目的意义和功能Step2ObservingFillineachblankwiththecorrectformofaverbfromthebox.Findthedifferencebetweeneachpairofsentencespayingattentiontothe-edand-ingforms.TranslatethesentencesintoChinese.设计意图该部分通过引导学生观察、识别语法结构在各个场景中的使用Step3Grammarfocus.Summary..感觉类及物动词的现在分词与过去分词作表语的区别设计意图完成课文活动，借助练习活动继续拓展语法结构的用法，提升语法学习的效果Step4PracticeCompletethesentenceswiththecon*ectformsofthewordsinthebox.ThentranslatethesentencesintoChinesepayingattentiontothedifferentmeaningsofthe-edand-ingforms.过去分词与现在分词作状语的区别Rewritethesentences.Addinformationasnecessary.设计意图该部分难度较之前有所提升，要求学生综合运用本课所学进行巩固练习Step5AssignmentFinishtheexercise12and3onP83inyourworkbook.设计意图学生通过适当的练习来理解和内化并巩固和提高所学的语法知识。
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