英语人教版八年级下册Unit8 Section A Grammar Focus.docx

unit8 Have you read Treasure Island yet?教学设计一、教学内容及分析 本节课主要是本单元第三课时,主要是学习现在完成时描述某件事。 二、教学目标（三维目标）1、知识与技能 1).复习本单元SectionA词汇 ； 2). 掌握present perfect tence（一） 3).完成课本 Part 4a and 4b 2、过程与方法 采用 “任务型”教学模式，先通过对词汇的复习,让学生在掌握词汇的基础上再学习现在完成时句型,再到段落,一步一步由易到难递进式学习,通过练习检查学生学习效果以达到本节课的教学目标。3、情感态度与价值观：让学生学会相互帮助合作学习。三、教学过程：Step 1、 Warm up Can you spell and read these words? Let one student write them on the blackboard.check them each other. Step 2现在完成时 （1）含义：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。（已完成）I already had (have) lunch .我已经吃过午饭了。(现在我不饿了) (2)结构： have / has + 动词的过去分词 (过去分词变化规则基本与过去式变化相同。 有些特殊变化动词需单独记忆P136 ) (3)现在完成时的各种句型： 一般疑问句： Have/Has主语过去分词其他？肯定回答：Yes，主语have/has.否定回答：No，主语havent/hasnt No， not yet.否定句： 主语have/hasnot过去分词其他 eg:I have already had lunch.变否定 I have not had lunch yet.注意：have not havent has not = hasnt （4）already 与 yet 的区别already一般用于肯定句，用于疑问句时表示惊讶，出乎意料。常放于句中，实义动词之前，助动词之后。yet一般用于否定句或疑问句。常放在句尾，not yet常用在答语中，意为“尚未；还没有”。（5） 现在完成时与一般过去时区别： I have cleaned my room. (My room is clean now.) 我已经打扫过我的房间了。 I cleaned my room last week. (I did it in the past.) 我上周打扫了我的房间。 现在完成时把过去的动作和现在的结果联系起来，一般过去时只限于表示过去的动作本身, 与现在的结果无关。 注意: 过去时与yesterday, last, in 1976, ago, just now等连用， 现在完成时与 already, yet,just, ever, never, sometimes, always, often, before, once, twice, recently, lately连用，也与today, this morning, this week, this year连用。Eg:I have seen him this morning .我上午看见他了。(说话时在上午)I saw him this morning.今天上午我遇见了他。(说话时可能是下午或者晚上) Step 3 Learn grammer(1)read the grammer together loudly and notice the meaning of them (2)notice the important words （3）read them with your partner again Step 4 finish 4a and 4b . (1)read the sentences by youself and finish the questions. (2)read them again and check the answers. (3)notice the important using ways of the words. Step 5 Do some exercise (1)finish the questions by yourself(2) check your answers with your classmates(3)correct your wrong answers and remember them.Step 6板书设计： 1.Have you read Little Women yet?Yes, I have./No, I havent.2. Has Tina read Treasure Island yet?Yes, she has. She thinks its fantastic.3. Have you decided which book to write about yet? Yes, I have. Ive already finished reading it. It was really good. Step 7 Homework ：Read them and write a dialogue as it.A: What books have you already read?B: Ive already read Tom Sawyer an