英语人教版九年级全册Unit 3 现在完成时态.docVIP

教学设计 ----叶潭中学 刘惠珍 课 题: Unit 3 现在完成时态 Present perfect tense 课 型: Grammar teaching 教学年级: 初中九年级（下） 教材版本：人民教育出版社Go for it! Book 2 教 具：CAI电脑辅助教学 授课时间：40分钟 学 生 分 析 学生在八年级学过现在完成时后，一直没有进行过系统的复习。在前段的语法复习中科院看出学生对于该语法项目遗忘程度比较严重。而现在完成时在中考的地位比高，是单选题每年必考内容。所有针对学生的现状和考试的要求，必须对此语法复习下一番苦工。 教 材 分 析 本课时为九年级语法复习课，在以复习完动词一般现在时，一般过去时，一般将来时，现在进行时和过去进行时的基础上，进行动词时态最重要的现在完成时的复习。本节课以讲练结合课。 教 学 目 标 现在完成时的结果和两种基本用法。 现在完成时和一般现在时的区别。 have been to,have gone 和to have been in的用法。 教学重难点 现在完成时的两种用法和一般过去时的区别。 教学过程： Step 1: Warming-up Translate the following sentences I have lived in Beijing. He has already seen the film. I have not had his lunch yet. She has not visited your school before. I have just lost my English book. Step 2: Presentation 1. Grammar focus 1. 现在完成时构成 ：主语+have / has + 过去分词+ 2. 意义 1）现在完成时态表示 过去发生的动作对现在造成的影响或结果。 ? 标志词：already ,yet , just, before, never ever Step 3: Practice A: ______ your brother _________ a new watch? (buy) B: Not yet. 2. A: _______ you ever _______ to the park? (be) B: Yes, I went there last summer. 3.I ______ never ______ of anything like that. (hear) 4. He ____ already ______ a job. (find) 2）某个动作从过去已经开始， 一直持续到现在, 还有可能持续到将来，动作的持续性要通过一段时间来表示。 一段时间的表达方法有 两 种: For : + 一段时间 for a year for two weeks for three years Since ：过去的某一时刻, since nine since last week How long . 现在完成时 since 一般过过去时 step 4 practice 1.A: How long ______ you ________ in this school? (teach ) B: For 6 years. 2.. Great changes _________________ in Beijing in the past 10 years. (take place ) 3. He ___________ in this city ever since then. (live) 用for ,since 填空 Mike hasn’t done anything ______four o’clock. The tree has been here ____500 years. The river has been dirty _____ two months ago. . It’s a long time _______ I met her last. Step 5 presentation Bill has gone to London , he will come back tomorrow. A: Where are the twins? B: They have gone to the cinema. I have been to Paris twice. He has never been there. A: Have you ever been to America? B: No