九年级英语上册 Unit 9 Help Yourself By Helping Others Structure(第4课时)教案 教科版五四制.docx

知识目标Grasp the 知识目标 Grasp the words. Revise the Passive voice 能力目标 Improve the Ss’ ability of summary. 教学目标 Let the Ss know that helping others is helping 情感、态度、价值观 themselves. 1. The new words. 教学重点 2. The usage of the Passive voice 1. Grammar 教学难点 2. Let the Ss grasp the structure correctly. 教学设计思路 ReviewingPracticing Grasping 教法 Task-based Method 学法 Cooperation 课前准备 PPT 教 学 过 程 教学 环节 教 师 活 动 学生活动 设计意图 二次备课 Step 1.Review 课题 引入 Review some useful words and phrases. Have a dictation. Read words Review and and consolida phrases te loudly 教 学 过 程 教学 环节 教 师 活 动 学生活动 设计意图 二次备课 PAGE PAGE 3 Step 2. Presentation Give some sentences, let the students find out the use and form of the Passive voice Summary  Do some  Lead in the 被动语态的用法： 定义：即不知道动作的执行者或强调动作的承受者的一种语态。 谓语动词的构成： be+done(过去分词) (+by+动作执行者) 3.主动语态：S. + v. +O. exercises. Passive voice 被动语态：O.+be+v.-ed +by S. 4.被动语态的用法： 不知道动作的执行者是谁。e.g. This watch is made in China. 没有必要指出动作的执行者是谁。 e.g. More trees must be planted. 需要强调或突出动作的承受者。e.g. Chinese is spoken by more and more people in the world. 句子的主语是动作的承受者。 e.g. Many houses were washed away in the flood. 课程 5.被动语态的各种时态变化：即 be 的变化e.g. He writes a book. 实施 一般现在时：am/is/are done e.g. A book is written by him . 一般过去时：was/were done e.g. A book was written by him last month. 一般将来时：will be done e.g. A book will be written by him next week. 过去将来时：would be done e.g. He said a book would be written by him. 现在进行时：am/is/are being done e.g. A book is being written by him now. 过去进行时：was/were being done e.g. He said a book was being written by him. 现在完成时：have/has been done e.g. A book has been written by him. 过去完成时：had been done e.g. A book had been written by him by the end of last month. 含有情态动词的被动语态： Can/may/must be done e.g. A book must be written by him now. 带双宾语的谓语动词变被动语态：可以将间接宾语转化  Know something important.  Prepare for their skills. Let the students know the usage of the structure 为主语，则保留直接宾语；若将直接宾语转化为主语则保留间接宾语，且在被保留的间接宾语前加上介词 to 或for. E.g. She gave me a book. I was given a boo