Unit+1+Period+3 牛津译林版英语八年级下册.pptx
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1、译林版译林版初中英语初中英语 译林版八年级下册译林版八年级下册Unit 1Period 3Grammar新课导入新课导入Enjoy the songHave you ever loved somebodySo much it makes you cry(so much)Have you ever needed something so bad(so bad)You cant sleep at nightHave you ever tried to find the wordsBut they dont come out rightHave you everHave you everHave y
2、ou ever been in loveBeen in love so badYoud do anythingTo make them understandHave you ever had someoneSteal your heart awayYoud give anythingTo make them feel the same(Have you ever searched for wordsTo get you in their hearts)But you dont know what to sayAnd you dont know where to start学习目标学习目标12能
3、能熟悉并能正确运用本课时的重点单词和短语熟悉并能正确运用本课时的重点单词和短语。能掌握现在完成时的基本结构和用法。能掌握现在完成时的基本结构和用法。3能掌握动词过去分词的变化规则。能掌握动词过去分词的变化规则。预习检测预习检测1.I have _ got to the train station.What about you?Not _.Im on the way to the station.A.yet;already B.already;already C.yet;yet D.already;yet2.I miss Jim so much.I havent seen him _ I mov
4、ed house.A.for B.since C.if D.whenDB3.Kitty,will you go to see the film My People,My Country this evening?No,I _ it twice.A.will see B.saw C.see D.have seen4.Noise pollution was a serious problem here _.A.since then B.in the future C.once a week D.in the past5.John,you _ the computer games for two h
5、ours.Its bad for your eyes.A.played B.have played C.were playing D.playDDB知识梳理知识梳理already 已经,常用于肯定句中。since自以来,1)since+时间点;2)since+时间段+ago;3)since+从句。yet已经,常用于否定句,疑问句尾。for长达,for+时间段。recently 最近,常用于肯定句,否定句或疑问句中。ever曾经,常用于疑问句。just刚刚,用于肯定句中。现在完成时常见状语的用法Adverbs of timealready&yetalready一般用于肯定句中。yet一般用于否定
6、句和疑问句中。e.g.We have already finished our homework.我们已经完成了作业。They havent finished their homework yet.他们还没完成作业。*My sister hasnt returned from Japan_.(already/yet)Yes.She has got married _.(already/yet)yetTip:“already”可用在句中或句末.“yet”只用在句末alreadyAdverbs of timeever&never多用于否定或疑问句中,表示“曾经”或“从未”等e.g.Have you
7、 ever watched the World Cup?你们曾经看过世界杯吗?I have never watched the World Cup.我从没看过世界杯。*Has you grandfather _ read e-books?(never/ever)No,he has _read an e-book.(never/ever)nevereverAdverbs of timejust&before用表示到说话时为止的时间状语,e.g.I have seen her before,but I can not remember where.我以前见过她,但记不起在哪里见过。Lucy has
8、 just handed in her homework.Lucy刚刚已经提交了她的作业。*I have _ watched a wonderful film.Its really interesting.(just/before)Lily has watched it _,but she didnt like it.(just/before)justbefore探究一探究一现在完成时的基本结构和用法She has had breakfast.她吃过早饭了。They have been to Hong Kong once.He has lived here for two years.他们去过
9、香港一次。他已经住这两年了。用法1:现在完成时表动作发生在过去并对现在造成影响。(她现在不饿)用法2:现在完成时表动作发生在过去并一直持续到现在,有可能继续持续下去。用法3:现在完成时表到现在为止某动作发生了多少次。现在完成时现在完成时的用法的用法现在完成时现在完成时的基本结构的基本结构结论:现在完成时的肯定句结构为_I have just eaten it.You have cleaned up the window.She/He/has visited Beijing three times.It has slept three hours.1主语+have/has+过去分词(+其他).结
10、论:现在完成时的否定句结构为_I have not just eaten it.You have not cleaned up the window.She/He/has not visited Beijing three times.It has not slept three hours.2主语+have not/has not+过去分词(+其他).Tip:have not=haventhas not=hasntHave you eaten it?No,I havent./Yes,I have.Has she/he visited Beijing three times?No,she/he
11、 hasnt./Yes,she/he has.Has it slept three hours?Yes,it has./No,it hasnt.3结论:现在完成时的一般疑问句结构为_Have/Has+主语+过去分词(+其他)?肯定回答:Yes,主语+has/have.否定回答:No,主语+hasnt/havent.How long have you lived?What has she/he eaten for breakfast?What has the government done to part of the town centre?Where has she travelled re
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