下载文档原格式
课题：Unit 1 Past and present (Grammar)一、教学目标1. 识记动词过去分词形式。
2. 能够在语境中正确运用现在完成时。
3. 理解并运用常于现在完成时连用的时间表达方式。
二、教学重难点1，现在完成时的含义现在完成时表示过去发生的动作对现在产生的影响，或者表示过去某时间开始一直延续到现在的动作或状态。
2，常与现在完成时连用的时间状语有：already , never, ever, just, before, in the last ten years, so far, “for+一段时间” , “since+点时间”等。
3，现在完成时的构成：1）现在完成时的肯定句句型主语（第一、二人称单、复数） +have主语（第三人称复数） +have + 过去分词主语（第三人称单数） +has（2）现在完成时的否定句句型主语+have/has+not+过去分词+……（3）现在完成时的一般疑问句句型 Have/Has+主语+过去分词+….4．介绍过去分词的构成。
四、典型例题写出下列动词的过去分词形式1.visit2.live3.repair4.finish5.move6.watch7.travel8.coem9.see 10.be 11.give 12.write13.make 14.put 15.read 16.listen五、达标检测一，用所给词的适当形式填空。
(1)He _____ (not finish) the homework yet. He will try to finish it quickly.(2) My family ________ (live) in Nanjing since 1996.(3) ________ you ________ (know) him since then?(4) They ________ already ________ (decide) to go to Kunming for the holiday.(5) We ________ (move) to the new flat since last month.(6) The girl ________ (learn) English for about two years.(7) My father went to Beijing two weeks ago. I ________ (not see) him since then.(8) ________ Tom ________ (write) letters to you recently?(9) Jack's mother isn't at home. She ________ (go) to the supermarket.(10) The film ________ (be) on for abou t 20 minutes. We missed the beginning.二，选择填空( )1. I have finished my homework ____. Have you finished your homework ____?A.yet, yetB. yet, alreadyC. already, yetD. already, already( )2. I haven’t s een Kate ____ 4 months.A. AlreadyB. sinceC. forD. yet( )3. He has ___ seen the film Harry Potter. So he knows nothing about it. A. already B. ever C. never D. yet( )4. She has been ill in bed ____ two days ago.A. sinceB. inC. duringD. for( )5. ---Have you seen him ____?--- No, I haven’t.A. al readyB. neverC. everD. recently( )6. I have ____ watched a wonderful film. It’s really interesting.三，句型转换1.They’ve already read the book.(改为否定句、一般疑问句、并作肯定和否定回答)________________________________________________________________________________________________________________________________________________________2.Daniel has stayed in Shanghai for two days.(对画线部分提问)____________________________________________________3.I got to know him ten years ago.(改为同义句)_______________________________________________4.Sandy got to Beijing half an hour ago.( 改为同义句)______________________________________________________。
译林版八年级英语下册Unit 1 Past and present教案Grammar（第4课时）一、教学目标1. 知识目标：掌握以下重点单词、词组和句子，并能熟练朗读和运用。
单词：yet, recently, past词组：over the past century2. 掌握现在完成时的基本结构、基本用法和动词过去分词的变化规律。
3. 能够在语境中正确运用现在完成时。
二、教学重难点1. 能够在语境中正确运用现在完成时。
2. 理解并运用常和现在完成时连用的时间表达方式。
三、教学过程Step 1 Lead-in (3min)1. Free talkT: What do you know about Mr Chen and Sunshine Town?Step 2 Presentation (22min)1. When to use the present perfect tense:(1) We use the present perfect tense to talk about an action that started in the past and continues to the present.(2) We use the present perfect tense to talk about an action that happened in the past and has a connection with the present.(3) We also use the present perfect tense to talk about how many times an action has happened till now.2. Matching exerciseT: Here are six sentences in the present perfect tense. Match the reasons for using the tense on the right with the sentences.3. Structure of the present perfect tensesb + have/has + done4. Work out the rule(1) Present some positive statements in the present perfect tense and ask students to work ou t the rule.He has just gone home.She has already had a holiday this year.It has broken!I have seen my new English teacher.They have bought a new car.You have finished the exercise.We have seen this film before.◆We use “have + done” with pronouns like _____, _____, _____ and _____.◆We use “has + done” with pronouns like _____, _____ an d _____.(2) Present some negative statements in the present perfect tense and ask students to work out the rule.sb + haven’t/have not + donehasn’t/has not(3) Present some Yes/No questions in the present perfect tense and ask students to work out the rule.Have/Has + sb + done(4) Present some Wh- questions in the present perfect tense and ask students to work out the rule.Wh-words + have/has + sb + done5. Time expressionsT: We can use these time expressions with the present perfect tense: already, yet, ever, never, just, recently, since and for.T: Complete the following passages and sentences with the correct forms of the verbs in the brackets. Pay attention to the time expressions.6. Pair workT: Work in pairs and talk about recent activities. Use the conversation on the screen as a model.7. CompetitionT: Form the past participles of the following verbs. Let’s see which team is the fastest.T: Try to work out the rule of form the past participles of regular verbs.Try to remember the past participles of irregular verbs.Step 3 Practice (20min)1. Difference between the simple past tense and the present perfect tense.T: Work in pairs and discuss the difference between the simple past tense and the present perfect tense.T: Let’s try to finish two short passages. Please underline the correct verbs.2. Finish Part C3. Pair workT: Suppose you did some cleaning after school today. Work in pairs and talk about what your classmates have done. Use the sentence pattern like this: What have/has ... done today?Step 4 Homework1. Review the present perfect tense.2. Remember the past participles of the irregular verbs on P13.四、板书设计8B Unit1 Grammar1.主语+have/ has+动词的过去分词+…2.主语+have/ has+ not+动词的过去分词+…3.Have/ Has+主语+动词的过去分词+…？Yes, …have/ has. No, …haven’t/ hasn’t.。
练习一、写出下列词的过去式和过去分词1.find _________ ________2. study ________ ________3. get _________ _________4.hold _________ ________5. fly ________ __________6. lose ________ _________7.send _________ ________ 8. hurt _________ ________9. cut _________ _________10.hit _________ _________ 11. know _______ 12. live _______ _________13.take _______ ________ _ 14. speak _______ 15. write _________ ________16.shop _______ _________ 17. drop ________ 18. stop _________ _________二、根据汉语提示填写单词1.Would you please tell us when Sue and Jack got ______________(结婚)?2.He lives alone, but he has a lot of friends and never feels ______________(孤独).3. So far, his brother has ___________(意识到) his mistakes.4.Have you _____________(曾经) taken a plane? She___________(曾经)worked on a plane5.The reporter had ___________(采访) with many stars at the party.6.Has his father watched a football match _____________(最近)?7.We’ve learned a lot about Sunshine Town’s ___________(过去) and _________(现在).8.What’s the _______________(形势) between China and Japan?三、用所给动词的适当形式填空1.I ______________(know) the boy since 2011.2.―Where is my purse?―I don’t know. I__________________ (see) it here five minutes ago.3.My uncle ________________(live) in Nanjing with his family for ten years.4.―Where is Jim?―He _________________(read) in the study.5.Mr and Mrs Li _______________(move) into the new flat already.6.―______________Lucy_______________(do) her homework tomorrow?―No, she _____________(finish) it already.7.― __________ Tom ___________(return)? ―No, not yet.8.―Is everyone here?―No, sir. Jim ____________(not arrive) yet. He is still on the way.9.―____________ you ___________(have) your supper?―Yes, I ________(have) it at 6:00.10.―Shall I tell Tom the good news?―No, you needn’t. I ____________(tell) him already.11.It _________________(become) difficult for them to see birds in the trees now.12.We ________________(not find) our pet dog yet.13.I hope that you ________________(have) a wonderful time there.14.Look! The rain ________________(stop). Let’s go to play football.15.My father used to ___________(be) a doctor. Now he is old.16.The students _____________(discuss) something when the teacher came into the classroom.17.I___________ already ___________ (see) the film. I ____________ (see) it last week.18.―__________ you ever ___________(eat ) chocolate sundaes ?―No, never.19.Shanghai __________ (be) a small town hundreds of years ago. Now it __________ (become) a large city.20.I _____________ (work) here since I ____________ (move) here in 1999.四、句型转换1.The changes have already brought many good advantages.（改成一般疑问句）_____________ the changes ____________ many good advantages_______________?2.Jack lived in Beijing two years ago. (同义句转换)Jack ________________ ______________ in Beijing ______________ two years.3.The man has been to the USA twice.（对划线部分提问）___________ ___________ ____________ __________ the man ___________ to the USA?4.Their parents often walked to work in the past.(同义句转换)Their parents ____________ ____________ ____________ to work.5.I have eaten something for breakfast. (改为一般问句)__________ __________ eaten __________ for breakfast?6.She has been here since two years ago. (提问)________ ________ ________ she _______ here?7.He has lived here for three years. (同义句)He has lived here ___________ three years ___________.8.They began to learn English two years ago. (同义句).They ______________ ______________ English ________________ two years.9.The train has already arrived.(一般疑问句并作否定回答)____________ the train ____________ ____________? No, it ____________.10.They have already finished reading the comic book. (改成否定句)They _____________ finished reading the comic books______________.11.I bought a new bike just now. (用just now 改写句子)I __________________ just _________________ a new bike.五、翻译句子1.I________________________________________(一直在这个工厂工作) since_________________________(离开学校).2. He _________________________________________________ （已经很久没有看电影了）.3.北京在过去的一个世纪里发生了巨大的变化。
Great changes _____________________________________________________________.4.I _________________________(听说过这部电影), but __________________________(从来没看过).5.His report is wonderful. From it, people can ____________________________________(了解中国的过去和现在).6.Mr. Li ________________________________（已修十多辆车）since Tuesday.7.John’s parents ______________________________________________（还未回来）.8.Our history teacher______________________（已教给我们）a lot about the history of China.参考答案一、写出下列词的过去式和过去分词1.find- found- found2.study- studied- studied3.get- got- got4.hold- held- held5.fly- flew- flown6.lose- lost- lost7.send- sent- sent8.hurt- hurt- hurt9.cut- cut- cut10.hit- hit- hit11.know – knew- known12.live- lived- lived13.take- took- taken14.speak- spoke- spoken15.write- wrote- written16.shop- shopped- shopped17.drop- dropped- dropped18.stop- stopped- stopped二、词汇1.married2.lonely3.realized4.ever, once5.interviews6.recently7.past, present8.situation三、动词填空1.have known2.saw3.has lived4.is reading5.have moved6.Will--- do; has finished7.Has---returned8.hasn’t arrived9.Have---had; had10.have told11.becomes12.haven’t found13.will have14.has stopped15. be16.were discussing17.have---seen; saw18.Have---eaten19.was; has become/ becomes20.have worked; moved四、句型转换1.Have---brought---yet2.has lived---for3.How many times has---beened to walk5.Have you---anything6.How long has been7.since---ago8.have learnt---for9.Has---arrived yet; hasn’t10.haven’t---yet11.have---bought五、完成句子1.have worked in this factory; I left school2.hasn’t watched a film for a long time3.have taken place in Beijing over the past century4.have heard of this film; I have never seen it5.Learn about China’s past and present6.has repaired over/ more than ten bikes7.haven’t come back yet8.has taught us。
