Unit+1+Period+3 牛津译林版英语八年级下册.pptx

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 you 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 moved 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 hours.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 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 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 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 recently?4结论：现在完成时的特殊疑问句结构为_特殊疑问词+have/has+主语+过去分词(+其他)?Mr Wu asks the students to complete the sentences below using the present perfect tense.Help them complete the sentences.1.They _(finish)their homework already.2.John _ never _(visit)China.3.Mr Li _(repair)over ten bicycles since Monday.4.We _(not see)each other for years.5.My parents _(not come)back yet.6.Our teacher _(teach)us a lot about the history of China.have finishedhas visitedhas repairedhavent seenhavent comehas taughtMillie and Sandy are talking about a film about the history of Beijing.Complete their conversation with the correct forms of the verbs in brackets.Millie:_ you _(see)any films recently,Sandy?Sandy:No,I havent.What about you?Millie:I _(see)one last Saturday.Sandy:Whats it about?Millie:Its about the changes in Beijing over the past century.From this film,I _(learn)more about Beijings past and present.Sandy:Oh,I think I _(hear)about the film.Do you plan to see it again?Millie:Yes,Id like to.Have seensawhave learnthave heard活动小结通过以上的活动，我们学习了：现在完成时由_构成；肯定形式为：_；否定形式为：_；一般疑问句形式为_；特殊疑问句形式为_。当堂当堂检测见检测见DCFDCF课课件件have/has+动词过去分词形式主语+have/has+过去分词(+其他.)Have/Has+主语+过去分词(+其他)?主语+have not/has not+过去分词(+其他).特殊疑问词+have/has+主语+过去分词(+其他)?探究二探究二动词过去分词的变化规则Free Talk1.Try to say the rules of forming the simple past tense of regular verbs.2.Can you think of the rules of forming the past participles of regular verbs?规则动词的过去分词的构成规则动词的过去分词的构成1.大多数的动词的过去分词是规则的，只需在动词后加-ed；workworked listenlistened jumpjumped visitvisited2.在以-e结尾的动词后只加-d；closeclosed likeliked agreeagreed movemoved3.在以辅音字母加y结尾的动词，应将y改为i再加ed；studystudied carrycarried trytried worryworried4.以重读闭音节结尾的动词，要双写末尾的辅音字母再加-ed；stopstopped dropdropped 不规则动词的过去分词的构成不规则动词的过去分词的构成1.有些动词的原形和过去分词相同；putput hurthurt becomebecome runrun2.改变单词中的元音字母；sitsat winwon holdheld3.改变单词中的辅音字母；lendlent spendspent sendsent4.改变单词中的元音字母和辅音字母；keepkept sleepslept teachtaught catch caught buybought 5.其他;saysaid paypaid givegiven eateatenRegular verbsIrregular verbsBase formPast participleBase formPast participlevisitvisitedhithitrepairrepairedputputlivelivedmeetmetmovemovedmakemadetrytriedsellsoldstudystudiedgivegivenfitfittedwritewrittenplanplannedthinkthought动词的过去分词动词的过去分词Mr Wu wants the students to practise using the present perfect tense.Help them write the past participles of the verbs below.1 borrow _2 hope _3 make _4 get _9 say _10 grow _11 hit _12 enjoy _ 5 plan _6 cry _7 send _8 watch _borrowedhopedmadegotplannedcriedsentwatchedsaidgrownhitenjoyed活动小结通过以上的活动，我们学习了：动词过去分词的变化规则：1.大多数词后加_;2.以字母e的词后加_;3.以一个辅音字母结尾的重读闭音节，双 写最后一个辅音字母再加_;4.以辅音字母+y结尾的词，将y改为_,再加_。当堂当堂检测见检测见DCFDCF课课件件eddedied当堂检测当堂检测一、根据句意及提示完成下列句子。1.How long has Mr Smith _(teach)English so far?2.No country has made such great progress as Chinese in the _(过去的)thirty years.3.I have only started to learn French _(近来).4.Has the train arrived _(还,仍)?Yes,it arrived ten minutes ago.5.We have not _(complete)the project.taughtpastrecentlyyetcompleted二、用现在完成时态完成下面的句子。1.He _(not finished)his homework yet.2._ you ever _(be)to Beijing?3.We _ never _(see)such an exciting match before.4.Mother _ just _(clean)the house.Please dont come in.5.They _(practice)this dialogue twice.has not finishedHavebeenhaveseenhascleanedhave practiced课堂总结课堂总结重点单词：重点单词：yet,recently,past 现在完成在完成时的基本构成和用法：的基本构成和用法：现在完成时的动词构成：_;动词过去分去分词的的变化化规则：1.大多数词后加_;2.以字母e的词后加_;3.以一个辅音字母结尾的重读闭音节，双写最后 一个辅音字母再加_;4.以辅音字母+y结尾的词，将y改为_,再加_。Unit 1Period 3have/has+动词的过去分词eddedied