辽宁省抚顺市第二十六中学八年级英语下册 Unit 6How long have you been collecting shells（第2课时）Section A 3a-4学案（无答案） 人教新目标版

Unit 6 How long have you been collecting shells（第2课时）Section A 3a-4Teachers words教师寄语: Tomorrow comes never 1 教学目标： Knowledge aims& abilities：New words: raise.several.skaterKey sentences: (1)What sport do you play?(2)When did you start?(3)How long have you been playing?To train Ss to use “Present Perfect Progressive Tense” to talk about how long you have been doing things.Teaching methods & procedures: Task-based, Group-work, Pair workMoral aims: Try to have different hobbies and enjoy life.2 教学重、难点Key points: To grasp “Present Perfect Progressive Tense” Difficult points:To know the differences between “Present Perfect Progressive Tense” and “Past Tense” 三学习过程（1）前奏版-课前展示：翻译下列词组单词： 筹集_ 几个的、数个的_ 溜冰者_短语：筹集资金_ 每一个学生_ 五小时_ 小时以前_ 三年半_ 几个溜冰者_ (2) 启动版-创境激趣：What sport do you play?When did you start?How long have you been playing?（3） 核心版-自主学习：1. Who is talking from the Hilltop School Skating Marathon?2. How much does every student raise for every hour they skate?3. How long has the skating marathon been going?4. How many skaters are still skating now?5. Who are the skaters?(4) 合作探究Let students find out the difficulty in 3a then discuss them. 1. The skating marathon has been going for five hours now, and several skaters are still skating several “几个的，数个的” “几个，数个” 例如：I bought several books on computer. Several of them decided to walk home. There are several hundreds of sheep on the hill. 总结：several可作_词，用来修饰名词_；还可做_词； 还可修饰hundreds of. 练习：根据首字母填空The girl can speak s_ languages, such as English, Japanese, French, etc. 2. Alison was the first one to start and has been skating for the whole five hours. the first one to skate “第一个开始的人”to skate 为动词不定式做_语。 例如：She is the first foreign singer to take part in the contest. 翻译：今天他是最后一个到校的学生。 He was the last student _ _ _ _ today. 他是第一个赢得这个奖的音乐家。 He was the first musician _ _ the prize. the whole five hours “整整五个小时” whole 和all 均有“所有的，全部的”但用法不同。 例如：All the people are here. We looked for the whole school, but found nothing. 总结：all与定冠词、指示代词、物主代词、数词连用时，常放在_;whole与定冠词一起使用时则放在_. 用all或whole填空： My grandfather told me the_ story. My brother was hungry, he ate_ the cakes. (5)拓展版-展示汇报 GroupworkInterview your classmates. Ask them what sports they play and fill in the chart.升华版-实践创新: 1、单项选择.（ ）1. We have been walking _ 8 oclock. A. for B. at C. since D during（ ）2. Amy has been skating_ two hours. A. or about B. for since C. since D. for about（ ）3. How long have you been living here? Ive been living here _ four years ago.A. for B. before C. since D. during（ ）4. Uncle Wang _ since he came to the company.A. has been working B. have been working C. worked D. work按要求改写下列句子：1. She has been working for 20 hours.(改为一般疑问句，并作否定回答)_ she _working for 20 hours? No,_ _.2. Ive been skating since I was six years old.（对划线部分提问）_ _ _ you been skating?3. Tom ran for 1 hour.（用现在完成进行时态改写）Tom _ _ _ for 1 hour.4. We have been learning English for three years.（改为同义句）We have been learning English _ _ _ _.5. I started playing tennis when I was seven years old.（改为同义句）I started playing tennis _ _ _