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1、 U1 Discover Useful Structures & Using Structures 教学设计 主题语境：人与社会科学与科学家授课时长：一课时（20 分钟）教学内容分析本单元的语法结构是表语从句。表语从句是主从复合句中充当表语的从句，属于名词性从句的一种。表语从句最显著的结构特征为：“主语+系动词+表语从句”，其从句引导词有 that, whether, as if, who, which, when, where, why, how,because 等, 其主要功能是对主语“是什么”（即性质、特征、身份、状态等信息）进行进一步地补充和说明。教学目标在本课学习结束时，学生能够：1
2、. 理解表语从句的基本形式和结构特征；2. 掌握引导表语从句的从属连词的不同用法；3. 理解并体会表语从句的意义和功能；4. 学会在特定的语境中准确及恰当地使用表语从句。教学重点学生通过观察、归纳、思考，理解表语从句的基本形式和结构特点，掌握其基本用法，体会其意义和功能。教学难点学生学会在特定的语境中准确及恰当地使用表语从句，以力求语言更丰富、准确，在提高英语语言组织能力的同时发展逻辑思维能力。教学步骤步骤教学活动设计意图环节用时1. Explore & Practice1.1 Basic form of predicative clausesSs go through the reading
3、 passage and关注形式：figure out the answers to the following回顾主课文，回questions, which work as a lead-in and答关于文章相关revision.信息的问题，并Q1:InPara.2,whatwerethetwo通过观察答案的contradictory theories doctors had in目标语句，分析Step 1those days?Q2. In Para.3, why did the women and句子成分，总结规律，对表语从3 minsherdaughterdieofcholeraaft
4、er句的基本形式和moving away from Broad Street？构成成分形成一Q3. What was “the truth” mentioned in个初步认识，落Para. 4?实教学目标 1。On top of that, Ss move on to observethese target sentences and summarizethe basic form of predicative clauses.Ss look at more examples to find out通过 Follow-uppredicative clauses in those senten
5、cespractice 巩固和Step 2and identify their syntactic constituents.内化所学：表语从句的基本形式1 min和结构特征。1.2 Usages of different conjunctions that lead predicative clauses关注用法：Ss observe the four target sentences通过再次观察目again and think about the questions标语句，聚焦从Q1: What subordinating conjunctions属连词，思考有Step 3can lead
6、 a predicative clause?Q2: How are these conjunctions used in哪些从属连词可以引导表语从2 minsa predicative clause?句，以及它们的基本用法。通过表格梳理不Tobetteranswertheabovetwo同引导词的用Step 4questions, Tip 1 is given to guide Ss to法，结合具体例sortouttheusagesofdifferent子帮助学生更好conjunctions that lead a predicative clauses with each type ill
7、ustrated by地掌握它们的基本用法，落实教5 minsconcrete examples.学目标 2，也为后续的 Apply 环节作用法上的铺垫。1.3 Meanings and functions of predicative clauses.Step 5Ss observe the four target sentences for the third time and think about the relationship between the Subject and the clause in each sentence, which leads to a better u
8、nderstanding of meanings and functions communicated by predicative clauses.关注意义和功能：通过第三次观察目标语句，思考其中的句子成分关系，尝试探索、理解并体会表语从句的意义和功能，落实教学目标 3。2 minsStep 6Ss complete the follow-up exercises and figure out meanings and functions each of the predicative clause communicates.通过 follow-up练习，巩固所学:进一步理解并体会表语从句的
9、意义和功能， 落实教学目标 3。2 mins2. Apply: Use the target structure in contextStep 7Ss read a conversation between two students talking about their scientific research project.1. First, complete Davids lines (A-E), using the words (conjunctions) in the box;2. Then put Davids lines in the correct order.3. Answe
10、r the comprehension questions by using predicative clauses.基于以上所学，结合特定的语境（一段学生两人关于他们科学研究项目的对话语篇），在语篇中准确及恰当地使用目标语法结构：表语从句，力求语言更丰富、准确，在提高英语语言组织能力的同时发展逻辑思维能力，落实教学目标 4。5 mins3. Assignment:1. Complete Exercise 2 in Assessing Your Progress on P10.2. Complete Exercise 2 of Using Structures in Workbook on P65.学科网（北京）股份有限公司