八年级下册Unit63a-4教案.doc

Unit 6 How long have you been collecting shells教案第 二 课 时一、教学内容与分析：1.教学内容：Section A:3a-42.教学目标：a. Knowledge aims: Learn new words and useful expressionb. Ability aims: 从阅读材料中获取信息并能运用这些信息完成任务二、教学重难点：1.本课重点是掌握并进一步巩固第一课时的句型;熟悉并掌握现在完成进行时的含义和用法;要求学生能应用他们在实际情景中自如运用。2.重点词语及句型：raiseseveralskaterWhat does Bob collect ? He collects kites.How long has she /he been collecting kites? Lu Ning has been skating for four hours. Li Chen started an hour ago. 三、课前准备：1.本课时的教学图片。2.课前发给学生表格 向学生布置任务：在表格中写出自己的爱好及持续的时间。四、教学步骤：Step1: Warm-up and revision.1. Greet the class 2. Check the homework.Ask two pairs of students to say their conversation according to their tables about their hobbies.S1:How long have you been doing ?S2:I have been doing for hours.S1:How long has S1 been doing?S2:She/He has been doing for .Step2: Lead-inT: Do you know Why they are holding the skating marathon?Collect the students answers and tell them: They are skating to raise money for charity.Step3:Reading1. Turn to P46, Look at 3a. Fast reading and answer a question.How much money does each student raise for every hours skating?2. Read again and give students two minutes to complete the table. Then check the answers to the table.3. Analyze the paragraph one sentence by one sentence.4. Finish 3b to check if the students have understood the article well.Step4: Pair work1. Give students several minutes to practice the table of 3b, and then show the dialogue for classmates.E.g.: S1: How long has been Alison/ Sam/ Lu Ning/ Li Chen skating? S2: He/She has been skating for 2. Play the tape for the students to listen and repeat 3a.3. Get the students to make the report according to the form and some key words.Step5: Group work: Make a survey NameSportWhen startedHow longYe LanTennisEleven years oldThree and a half yearsA: Ye Lan, what sport do you play?B: Tennis.A: When did you start?B: When I was eleven.A: So how long have you been playing?B: Three and a half years.Step6: Exercises1) Fill in the blanks with since or for.1.Ive been practicing the piano since 10:30.2. Maria has been running _ 15 minutes.3. Sarah has been sleeping _ 9:00.4. Dale has been talking on the phone _ five minutes.5. Louie has been studying Chinese _ he was six years old.6.Ive been watching you _ ten minutes.2) Write the questions.1. Q:How long has he been standing there?A: He has been standing there for four hours.2. Q:_A: Ive been riding a bicycle since I was ten years old.3. Q:_A: She has been walking for five hours.4. Q: _A: Ive been watching TV since 7:00.5. Q: _3) Answer the questions. Use the words in the parentheses.A: He has been waiting for the train for an hour.1. Q: How long have you been working in this restaurant? (Two years)A: Ive been working here for two years.2. Q: How long has your sister been working here? (June)A: She has _3. Q: How long has that man been waiting? (Twenty minutes)A: He has _4. Q: How long has that woman been sitting there? (8:30)A: She has _5. Q: How long has that boy been talking on the phone? (Five minutes)A: He has _6. Q: How long have you be