牛津译林版（2024）八年级下册（2024）Grammar评课ppt课件

这是一份牛津译林版（2024）八年级下册（2024）Grammar评课ppt课件
Unit 1 Past and Present 译林版把年级下册Grammar 阅读课Present perfect tense The rise of ShenzhenLearning Aims What tense does the writer use?How do you know that?Lead-inPresent perfect tense Work out rulespresentnow 主语+have/has助动词 + done(过去分词)+其他Present perfect tense现在完成时的基本构成 ：I/We/You/They + have + done(过去分词）+其它。He/She/It + has + done(过去分词）+其它。e.g.They ______________ their homework. (finish）He ______________his homework. （finish)have finishedhas finishedWork out rules现在完成时的一般疑问句Have you arrived？Has she arrived？Have/Has主语Have Tom and Jane arrived？肯定句的主语和have/has调换位置变一般疑问句过去分词Yes, I have. / No, I haven’t.Yes, she has. / No, she hasn’t.Yes, they have. / No, they have’t.现在完成时过去持续到现在的动作或状态过去的行为对现在产生影响动作已经发生0-多次结构:标志词:主语+have/has done+其它already,ever,just,never,recently,yet,beforesince,for,in the past years,over/during the years,in recent years, so farWork out rulesWhen to use?Sentences现在完成时与for和since的用法I have been here for 10 days.I have been here since 10 days ago.I have been here since I was born.for+一段时间 since+时间点（年月周日时）I have been here since January 10th. since+时间段+ago since+一般过去时从句Sentences现在完成时的肯定句、否定句与一般疑问句肯定句否定句一般疑问句肯定回答否定回答sb have/has done (sth).sb have/has not done (sth).Have/Has sb arrived?Yes, sb have/has.No, sb haven’t/hasn’t .I haveWe haveYou haveThey haveHe/She/It has have nothas not=I’ve =We’ve=You’ve =They’ve =He’s/She’s/It’s=haven’t =hasn’tPresent perfect tense过去分词的构成finish / repairchange / livetry / studystop / plan规则动词+ed以e结尾的+d以辅音字母y结尾的-y+ied以元音+辅音结尾的短动词，双写尾字母+edPresent perfect tense过去分词的构成Present perfect tense过去分词的构成A-A-A A-B-AA-B-BA-B-Chit,put,cut,cost,spread,hurt,set,letcome,become,runmeet,make,catch,keep,win,hold,tell,spend,have,lead,fight,think,fall,take,drive,know,see,write,chooseforget,lie,hide,wake,eat,steal,beginExerciseshas changedhas turned has improvedhave moved builthaven’t visited Exercisesfoundhas workedleftwenthasreturnedboughthave visitedExerciseshave lived have been have fallenhave beenHave; noticedareenjoyDiscussionTalk with your partner about the changes in your hometown, using the present perfect tense roads:transport:buildings:environment:city:?DiscussionTalk with your partner about the changes in your hometown, using the present perfect tense A: Hi! Long time no see.I heard you went back to your hometown in Guizhou last month. How was the visit?B: Oh, it's amazing! So many changes have taken place since I left our town five years ago. The old dirt roads have turned into wide streets, and there are even new bus stations. Have you ever seen a village with its own library?Ours has one now-we never had that before!DiscussionTalk with your partner about the changes in your hometown, using the present perfect tense A: Wow, that's great. My hometown in Sichuan has changed a lot too. We used to live in small wooden houses, but most families have moved into new buildings.B: Really? My grandma says the government has built a new bridge through the mountain. It used to take two hours to go to the town centre, but now it only takes 20 minutes. Many young people have come back to start businesses-like my cousin, who has opened an online fruit shop.Practice1. I can’t find my key. I’m afraid I ________ it.2. I won’t go to the cinema with my friends tomorrow. I ____________ the film many times.3. Can I borrow your dictionary? Sorry, I ____________ it to Sandy.4. Let’s go home now. The rain ___________.5. The bus _________. You’d better wait for another 10 minutes.have losthave watchedhave lenthas stoppedhas leftHomework 1. Remember the grammar rules by heart.2. Remember the Past participle of irregular verbs3. Finish the exercise.Thank you