Unit4 Journey Across a Vast Land Discover Useful Structures 公开课教学设计-2022-2023学年高中英语人教版（2019）选择性必修第二册

Unit4 Journey Across a Vast Land Period 3 Discover Useful Structures Understand the V-ed and V-ing forms as the adverbial 教材分析： 本单元围绕长途旅行的主题展开，讲述了不同旅行者横跨加拿大、澳大利亚等地的长途旅行经历，包括他们的所见所闻、所思所想，以及对旅行和人生意义的探求，旨在告诉青少年不仅要读万卷书，还要行万里路，鼓励他们走进社会和大自然，深入了世界和人类社会，磨炼意志，体味人生，在旅途中探求自我价值和人生意义。 本节课是这个单元的第三节课，是一节语法课，主要聚焦于V-ed 和V-ing形式的用法比较。通过听、说、读、看、写等活动培养学生理解性技能和表达性技能，引导学生发展元认知策略、认知策略、交际策略及情感策略。 学情分析： 这次的授课对象为昌江中学高二年级学生。学生经过一年半的高中英语学习后，词汇量有一定的累积，听得懂教师的课堂指令，能够跟同学合作学习。根据学生掌握已有知识状语从句来分析并用V-ed和V-ing来改写句子，让学生对比两者不同的用法。 教学目标： By the end of the period,students will be able to: 1. identify and compare the features and functions of V-ed and V-ing forms as adverbial. 2. Practise the usages of the V-ed and V-ing forms as adverbial in different materials. 教学重点： 1. Help students to analyse the functions of V-ed and V-ing forms as adverbial. 2. Lead the students to rewrite the clauses into V-ed and V-ing forms. 教学难点： Instruct students to learn how to use V-ed and V-ing forms as adverbial correctly. 教学资源： 教材，多媒体课件，学案，黑板和粉笔。 教学过程： StepI Lead-in Show the students 3 pictures and lead them to make different adverbial clauses.According to the adverbial clauses,rewrite into the following sentences: 1. Listening to the music,I start to dance. 2. Beaten by the sheep, Mr Wolf cried out loudly. 3. Studying harder and harder,you will pass the exam. Summary:过去分词和现在分词在句中都可充当_______,表示时间,原因,条件,让步,方式或伴随等。 (设计意图：通过图片导入，引导学生说出不同的状语从句，然后用分词形式改写状语从句，并让学生观察改写的句子里含有的分词形式，让学生小结分词形式可以在句子中作状语，相当于一个状语从句，为即将接下来的语法学习做铺垫。) StepII New lessons learning Part one:过去分词作状语 Task1:observation and summary Ask students to tell what kind of clauses and circle the subject and the verb in each clause and tell the relation of them,and lead the students to rewrite the sentences in V-ed form as adverbial. 1. When he was asked what had happened, he kept silent. 2. Because he was beaten by the sheep, Mr Wolf cried out loudly. 3. If I am given a time machine, I will pay a visit to the future. 4. Although he was left alone at home, the little boy