Unit 8 Have you read Treasure Island yet Section A Grammar focus 4a—4c 教学设计（表格式）人教版八年级下册

教学设计
课程基本信息
学科 初中英语 年级 八年级 学期 春季
课题 Unit8 Have you read Treasure Island yet Section A Grammar focus 4a-4c
教学目标
1. understand what present perfect tense is and grasp the structure; 2. use already and yet correctly in present perfect tense; 3. distinguish the present perfect tense and past simple tense; 4. use different kinds of tenses properly in a complex context.
教学内容
教学重点： Can use Present Perfect Tense correctly and grasp the structure; Can use different kinds of tenses properly in a complex context.
教学难点： 1.Differences between Present Perfect Tense and Simple Past Tense .
教学过程
Step1:Free talk 1.Ask students to talk about the following questions in a group: Do you often read English books What classic books have you already read What’s it about And what’s it like 2.Give a report like this: In my group, I have read….I think it's very....It's about... … has already read … . He/She thinks it's very....It's about... … has already read….He/She thinks it's very....It's about... We all think … is the best of the 4 books. We hope everyone can enjoy reading the book. Step2:Presentation Ask students to read the sentences in grammar focus aloud and think about 2 questions:(1)What is the structure of present perfect tense (2)What adverbs are often used with it 通过观察句子，得出现在完成时态的构成以及常用的标志词 3 3.语法讲解：现在完成时 用法：表示过去发生或已经完成的某一动作对现在造成的影响或结果。表示动作或状态从过去某一时间开始，一直持续到现在,而且可能还要继续下去。 结构： 肯定句：主语+have/has + 过去分词 +其他. 否定句：主语+have/has +not + 过去分词 +其他. 一般疑问句：Have/Has +主语+过去分词+其他 回答：—Yes, 主语+have/has. —No,主语+ hasn’t/ haven’t. 现在完成时与一般现在时的区别： 用法不同：一般过去时只表示过去的动作或状态(不涉及现在)；现在完成时表示过去发生的事情对现在造成的影响或结果(与现在有联系)。 动词过去分词的变化 规则变化： a. 一般在动词词尾直接加ed。如：stay → stayed → stayed; work → worked → worked; 出处：21教育名师】 b. 以不发音的e结尾的动词后面加d。如：like → liked → liked; taste → tasted→ tasted; c. 以“辅音字母 + y”结尾的动词，变y为i，再加-ed。如：study → studied → studied;copy→ copied → copied d. 词尾只有一个辅音字母的重读闭音节动词，要双写辅音字母，再加-ed。如：stop → stopped → stopped; drop → dropped → dropped 不规则变化： 需要根据书本P136-137进行背诵记忆 Step3. Practice Task 1: Work on 4a. Use the words in brackets to complete the conversations. 注意句子时态的关键词，如just, yet, already, this morning, not yet等。 Task 2：Work on 4b. Fill in the blanks with the correct forms of the words in the brackets. 先通读短文了解大意，在完成过程中找出决定时态的关键词, 关注动词的变化形式。 Task 3：Work on 4c. Complete the chart with information about you and your friend. Like this： A: What books have you read B: I’ve already read Tom Sawyer and Harry Potter. A: What do you think of them B: Well, I think Harry Potter was exciting, but Tom Sawyer was a bit boring. ExperiencesYouYour friendCommentsBooks I have already readMovies I have already seenSongs I have already heard
Step4:Summary 总结本节课所学现在完成时态的用法、结构以及与一般现在时的区别。 Step5:Homework 1.Memorize past participle of some verbs. 2.Finish the workbook Blackborard design: Unit8 Have you read Treasure Island yet Garmmar Focus 4a-4c 现在完成时结构： have/has+动词过去分词 标志词：already（肯定句）yet（否定句和疑问句） ever,never,just,before,so far,in the past...years等