江苏省常州市西夏墅中学高中英语 Unit2 The environment Grammar and usage教案1 牛津译林版必修5.doc

unit2 the environment grammar and usage1教材：牛津高中英语(模块五)高二上学期文档内容：教学设计教案单元：unit 2 the environment板块：grammar 1thoughts on the design:本单元的grammar主要讲的是现在分词，目的是让学生了解现在分词的用法。而本课时是grammar的第一课时：现在分词可以作形容词和副词作用，在句中作定语，表语，宾语补足语。通过讲练结合的方式，由易到难，确保学生循序渐进地掌握语法内容。teaching aims: after learning this section, the students will be able to 1. understand verb-ing form as adjective and adverb.2. master a verb-ing form as attributive, predicative, object complement ect.3. know how to apply the usages to practice.teaching procedures: step 1 brief introduction (ppt4-6)1. introduce verb-ing form (ppt 4)2. the tenses anf voices of verb-ing (ppt 5-6)主动被动一般writingbeing written完成having writtenhaving been written he hurried home, looking behind as he went. （一般式） having finished their work, they had a rest. （完成式）the large building being built is a library. （被动语态） having been shown the lab, we were taken to see the library.（被动完成式）explanation通过结构图介绍非谓语动词的分类，使学生初步了解现在分词。对现在分词时态和语态的介绍，也为学生对现在分词的运用打下基础。step 2 functions (ppt 7-17)1. attribute (ppt 8-9)an interesting bookthe man sitting by the windowboiling waterthe bridge being built1) 现在分词用于名词前，用来修饰该名词，功能上相当于形容词；也可用于名词后，并可改写为定语从句。the girl writing a letter there can speak english very well.the girl who is writing a letter there can speak english very well.the factory making tv sets is very large. the factory which makes tv sets is very large.2) 与动名词作定语的区别 (ppt 10-11)动名词作定语表名词的作用或功能，现在分词作定语表名词正在进行的动作。3) 与过去分词,不定式 作定语的区别 (ppt 12-13)（ppt13超链接返回至ppt7）过去分词做定语与其修饰词之间是动宾关系或过去分词表示的动作以完成。现在分词作定语表示动作正在发生，与修饰词是主谓关系。不定式作定语表示将要发生的动作。the house being built/to be built/built正在被建/将要被建/建好了的房子2. predicative （ppt 14-15）（ppt 15超链接返回至ppt 7）表示主语的特征,状态等,一般接在联系动词后面与过去分词作表语的区别凡表示“令人的”都是-ing形式，凡是表示“感到”都用-ed形式。interesting使人感兴趣的 interested感兴趣的exciting令人激动的 excited感到激动的delighting令人高兴的 delighted感到高兴的disappointing令人失望的 disappointed感到失望的encouraging令人鼓舞的 encouraged感到鼓舞的pleasing令人愉快的 pleased感到愉快的puzzling令人费解的 puzzled感到费解的satisfying令人满意的 satisfied感到满意的surprising令人惊异的 surprised感到惊异的worrying令人担心的 worried感到担心的3. object complement (ppt 16-17)they think of businessmen hiding from their responsibilities for the environment.（现在分词hiding做宾语补足语，补充说明宾语businessmen)we can see steam rising from the wet clothes. can you hear her singing in the next room?dont keep the students doing homework all day.explanation通过列举短语，使学生了解现在分词用于名词前充当形容词修饰名词的功能，并通过句型转换，进一步了解它的定语功能。现在分词与过去分词、不定式作定语的区别以及现在分词与过去分词作表语的区别也是非谓语的重点和难点，因此都是通过举例对比，加深学生对此的理解。step 3 exercises (ppt 18-23)1. revision of functions of verb-ing form.2. multiple cho