英语人教版八年级下册现在完成时教学设计.doc

现在完成时教案一教学设计（一）教学目标1、 复习现在完成时的构成和两种基本用法。2、 现在完成时与一般过去时的区别。（二）教学重点：现在完成时的两种基本用法。（三）教学难点：1.现在完成时与一般过去时的区别。三课堂流程：课题现在完成时课时1课时班级8年级3班教学目标1.复习现在完成时的构成和两种基本用法。2.现在完成时与一般过去时的区别。教学重点复习现在完成时的构成和两种基本用法。教学难点1.现在完成时与一般过去时的区别。教学内容Step 1 warm upTranslate the following sentences1.Miss Lee has lived in Beijing.2. He has already read the book.3. I have not finished my homework yet.4. They have never been to that farm before.5. Have you ever seen ?6. I have just lost my new watch.Step 2 presentation1. 现在完成时构成主语+have / has + 过去分词+2. 现在完成时的基本用法1）表示过去发生或已经完成的动作对现在造成的影响或结果。常和just, already, yet, never, ever, before等时间状语连用。 Have you had breakfast yet? I have already finished reading this book.step 3 practiceA).用所给单词的正确形式填空1. A: _ you _ your homework? (do)B: Not yet.2. A: _ he ever_ to the USA? (be)B: Yes, I went there in 2016. 3. I _ never _ . (read)4. He _ already _ here for 20 years. (live) 5._ you _ the Great Wall? (visit) B). 选择填空1. Tom isnt here. He_home.A. went B. will go C. have gone D. has gone 2. _you_her temperature? A. Do, take B. Have, taken C. Does, take D. Has, taken 3. They_to do this work three hours ago.A. begin B. have began C. had begun D. began4. He left for Shanghai_. A. last Sunday B. since last Sunday C. for last Sunday D. on last Sunday5. I havent heard from him_. A. last month B. a moment ago C. for a month D. since next month 6. They have never been to Guangzhou,_they? A. havent B. have C. are D. do7. How long_they_here? A. heve, come B. have, be C. have, been D. have, stay8. She_English for ten years. A. has taught B. taught C. have taught D. had taught9. Could you tell me how long_there? A. he had been B. he has been C. had he been D. has he been10. _you ever_to Australia? A. Have, gone B. Do, go C. Are, going D. Have, been C). 翻译句子1。他已经把所有的事情告诉我了。He_ me all the things.2.Mike刚刚到家，他度过了一个好的假期。 Mike _home. He_ a wonderful holiday.3.你迟到了。演讲比赛已经开始了。You are late .The speech contest_.4.我已经看过这部电影，现在我知道它的内容。 I _the film, and I _ now. 5。我已经洗衣服了。 I _my clothes. 6.你还没有找到一份工作吗？ _a job?Step 4 presentation2）表示从过去某一时刻开始一直持续到现在的动作或状态，还有可能继续下去，常和for或since引导的时间状语连用。For : + 时间段 for two years for a week for six monthsSince ：+时间点 since 1998 since last year since yesterday morningstep 5 practiceA). 在下列句子中根据A句的意思，完成其余各句1. A. My brother joined the League three years ago. B. My brother_the League for three years. C. My brother_a League member for three years. D. It_three years_my brother joined the League.2. A. Mr Smith came here last week. B. Mr Smith_here since last week. C. Mr Simth_here for about a week. D. It_about a week_Mr Smith came here. 3. A. I bought a bag last month. B. I_a bag for about a month. C. I_a bag since last month. D. It_a month since I_a bag.B). 用for ,since 填空1. They have lived here_1996.2. Mr Smith has taught in our school_three years.3. The museum has been here _100 years.4. Mike has been the Party_six years.5. I have seen him_he moved to Canada.6. I have had this bike_half a year.7. She hasnt had anything_yesterday morning.8. John has known me_I was ten years old. C).选择填空1. I _ in Shanghai since for seven years.A. will live B. live C. have lived D. lived 2. She _ in the bank since last year. A. works B. worked C. is working D. has worked 3. Mr. Zhang _ me Chinese since 1999. A. is teaching B. taught C. teaches D. has taught4. I_ Chinese since 18 years ago , and now I can speak it quite well. A. learns B. learned C. has learned D. will learn5. The Browns_ Hong Kong for a year since they came to the USA.A. have been to B. have arrived in C. have gone to D. have been in 6. My father bought me sever books yesterday.I_ many books to read now. A. have B. has had C. had D. have had Step 6 presentation总结：一般过去时与现在完成时的区别1）现在完成时着重说明过去的某一动作对现在的影响或结果，强调的是与现在的联系，而一般过去时着重说明过去的动作或状态，和现在不发生联系。He has bought a book.(他现在有一本书)He bought a book yesterday.(他现在是否有这本书，不知道)She has been ill.(她现在还病着)She was ill two days ago.(现在情况不知道)Step 7 homework 用括号内动词的现在完成时填空1. He_(be) to America twice. 2. Its seven. They_(already, have) supper. 3. Everything_(go) well up to that time.4. She isnt here,