英语人教版八年级下册Unit10 Section A (1a-1c ).docx

Unit 10 Ive had this bike for three years. Section A1 (1a-1c)学习目标：知识目标与技能1.掌握本课单词和短语yard sale, sweet memories, in need：2.能听懂谈论人们拥有某物多长时间的话题，能熟练运用since, for 谈论自己的个人物品。情感目标： 正确处理并充分利用自己的废旧物品。过程与方法 采用目标和直观教学法,充分调动学生的上课积极性.教学重点1.掌握本课单词和短语yard sale, sweet memories, in need：2.能听懂谈论人们拥有某物多长时间的话题，能熟练运用since, for 谈论自己的个人物品。教学难点能熟练运用since, for 谈论自己的个人物品。教法指导直观展示法,情境创设法学法指导模仿,讨论与合作教学准备多媒体,废旧物品.教学步骤：Step1 GreetingsGreet the students as usual.Step2 PresentationShow some pictures of old things.1. T: What can you see in the picture (Show a picture of an old house) Whose house is it? When did he buy it?How long has Jeff had this house? Show the time line, help the students to say, he has had this house for 19 years. Teacher gives another saying “he has had this house since 19 years ago”.2. Show some more pictures of things, such as bike,books, some toys and so on, ask the students to ask and answer: How long have you had this?I have had it foryears/sinceyears ago.Step 2 lead-in1. Talk about the old things and know about the yard sale.2. Talk about the picture in 1a. What can you see in the picture? What are they doing?Lead to the new lesson.Step 3 Listening 1. Listen to 1b and check () the facts you hear.Keys: Jeffs family is having a yard sale. Amy thinks its hard to sell her old things. You can also give old things away to people in need.2. Listen again and answer the questions.Isnt it hard to sell useless things?How long has Jeff had that bike?How much is the book?Step 4 Work on 1c (pair work)Practice the conversation. Ask the students to take out their old things to have a yard sale with their classmates.Then show the conversations to the class.Step 5 Summary 现在完成时的用法 用法1：表示过去开始的动作或状态已经结束，但是对现在有影响He has cleaned the blackboard.他已经擦过黑板He has studied French他学过法语。.与表示时间副词 just （刚刚）,already（已经(肯定句) before, （一般疑问(句末） ： yet已经；否定句：还）never,ever (疑问句) twice recently(近来）等状语连用 用法2 表示从过去一直持续到现在并可能还将持续下去的动作或状态。和表时间段的时间状语连用。常与for或since引导的时间连用 She has learnt English for 3 years. 她学英语有三年了。 I have lived here since 一段时间须与延续性动词连用。一段时间须与延续性动词连用, 也可以与非延 续性动词的否定式连用。 判断句子正误1 I have bought this computer since four years ago. I have had this computer since four years ago. 2 He has become a doctor for five years. He has been a doctor for five years. 3 The film has begun for five minutes. The film has been on for five minutes. 4 His grandfather has died for ten years. His grandfather has been dead for ten years. 5 I havent bought anything for two months I havent heard from him for 3 weeks. 归纳常见的短暂性动词在现在完成时态中的转换Step 4 Exercise选择for或since填空：1,I have been here _five months ago.2. He has been a soldier _ about two months.3. Great changes have taken place _ you left.4. His grandpa has been dead _ ten years.5. I have studied English _ I was 12 years old.6. It is two years _ I became a postgraduate student.动词填空：1._ you _(clean) the room? Yes, we _(do) that already. When _ you _(do) it? We _(do) it an hour ago.2._ he _(see) this film yet? Yes. When _ he _(see) it? He _ it last week. 3. How many times _you _( come) here? Once.4. I _ (read) the novel twice. Its interesting.5. She _ (go) to Pairs, hasnt she? Yes. How _ she _(go) there? She _(go) there by air.6. So far,