Unit+3+Period+3++Grammar 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 3Period 3Grammar新课导入新课导入Look and say1.He has had a car since 2007.2.We havent seen each other since last week.3.I have kept it with me for a few days.4.Look,this programme began an hour ago.5.Today we spent the whole day at Disneyland.6.Next,we hurried to a restaurant to have a quick meals.学习目标学习目标12能熟悉并正确运用本课时的重点单词和短语。能熟悉并正确运用本课时的重点单词和短语。能掌握一般过去时和现在完成时的区别。能掌握一般过去时和现在完成时的区别。1.Im sorry,Cathy,I _ your radio for such a long time.Never mind.A.have borrowed B.have lent C.have kept D.have returned2.Where have you _ these days?I have _ to Yangzhou with my friends.A.been;gone B.been;been C.gone;been D.gone;gone预习检测预习检测BC3.Where is your father?We havent seen each other for weeks._.A.He has been to AmericaB.He has gone to England C.He is going to AustraliaD.He would visit my grandparents4.They have _ since the factory opened.A.left the school B.joined the team C.become workers D.worked here5.Jim _ the Great Wall many times.A.went to B.goes to C.has gone to D.has been toBDD知识梳理知识梳理Language Points1.I visited the Palace Museum with my grandparents the other day.前几天我和爷爷奶奶参观了故宫。the other day 相当于a few days ago,意为“几天前、某天、那天、不久前”，句中用一般过去时。e.g.I chatted with him the other day.前几天我和他聊天了。2.Have you ever dreamt of travelling around the world without a passport?你曾经梦想没有护照周游世界吗？dream vi.&vt.做梦，梦想dream about/of 想象；梦想e.g.I dreamt(that)I got the job.我梦见自己得到了那份工作 I dreamt about you last night.我昨晚梦见你了。She dreams of running her own business.她梦想自己开公司。3.I hope I can visit the USA some day.我希望有一天我能参观美国。some day指将来“总有一天、有朝一日、(日后)某一天”，谓语动词用一般将来时。e.g.Some day hell be famous.总有一天他会成名的。探究一探究一一般过去时和现在完成时的区别 the simple past tense(一般过去时一般过去时)We use the simple past tense to tell what happened in the past.(我我们们用一般用一般过过去去时时来来讲讲述述过过去去发发生的事情。生的事情。)Daniel went to Beijing two years ago.Daniel bought a new computer last month.Mr Wu visited Canada in 2010 and 2011.the present perfect tense(现现在完成在完成时时).We use the present perfect tense to talk about an action that started in the past and continues to the present.(我我们们用用现现在完成在完成时时来来谈论谈论一个从一个从过过去开始一直持去开始一直持续续到到现现在的在的动动作作。)Daniel has lived in Beijing for two years.We use the present perfect tense to talk about the result of an action.When the action happened is not very important.It may have just happened or happened some time ago.(我我们们用用现现在完成在完成时时来来谈论谈论一个一个动动作的作的结结果。果。动动作什么作什么时时候候发发生并不重要。它可能是生并不重要。它可能是刚刚发刚刚发生的，也可能是生的，也可能是不久前不久前发发生的。生的。)Daniel has bought a new computer.(Daniel has a new computer now.).We use the present perfect tense to tell how many times an action has happened till now.(我我们们用用现现在完成在完成时态时态来表示一个来表示一个动动作到作到现现在已在已经发经发生了多少次。生了多少次。)Mr Wu has been to Canada twice.Differences between the simple past tense and the present perfect tense(一般一般过过去去时态时态和和现现在完成在完成时态时态的区的区别别)Tense(时态时态)Concept(概念概念)the simple past tense （一般过去时）表示过去某时发生的动作或单纯叙述过去的事情，强调动作；过去某时发生的动作，和现在 _（有/没有）关系。the present perfect tense （现在完成时）持续到现在的动作或状态；强调过去的事情对现在的影响;到目前为止，动作发生的次数；过去发生的某一动作对现在造成的结果或产生的影响，强调和现在 _（有/没有）关系。没有有 Tense(时态时态)Structure(结构结构)the simple past tense （一般过去时）肯定句：主语+动词过去式+其他否定句：主语+didnt+动词原形+其他一般疑问句：Did+主语+动词原形+其他+？the present perfect tense （现在完成时）肯定句：主语+have/has+动词过去分词+其他否定句：主语+havent/hasnt+动词过去分词+其他一般疑问句：Have/Has+主语+动词过去分词+其他+？Tense(时态时态)The time expressions(时间表达时间表达)the simple past tense （一般过去时）过去时间点：just now,at that time,yesterday,this morning,three years ago 等过去时间段：in the past,in+过去的年份,last week,once upon a time 等the present perfect tense （现在完成时）副词作标志词：just,already,yet,since+时间点/（时间段+ago）/一般过去时句子;for+时间段表示次数的时间状语：once,twice,three times,ever,neverSimon is showing Millie some pictures.Complete his sentences with the correct forms of the words in brackets.I _(visit)the Palace Museum with my grandparents the other day.I _(climb)Mount Huang last Summer.visitedclimbed_ you ever _(try)the famous Tianjin Baozi?Have triedI am happy that I _(learn)to swim.have learntMr Wu is asking the students to make sentences with the correct tenses.Help them complete the sentences with the correct forms of the words in brackets.2.I _(write)an email to my friend yesterday.Daniel _(write/already)two emails.1.I _(finish/just)my homework.Millie _(finish)her homework 20 minutes ago.has already writtenhave just finishedwrotefinished4.I _(live)in Sunshine Town since I was born.Daniel _(live)in Nanjing in 2007.3.I _(be)in Hainan last week.Some of our classmates _(not be)to Hainan yet.waslivedhave livedhaven not beenMillie has never been to Nanjing.She is asking Simon about the city.Complete their conversation with the correct forms of the words in brackets.Millie:(1)_(you/be/ever)to Nanjing?Simon:Yes.I(2)_(be)there three times.Millie:When(3)_(you/go)there last?Simon:Last summer.I(4)_(spend)a week there.Millie:(5)_(you/like)it?Simon:Oh yes.I(6)_(have)a great time there.I (7)_(visit)many places of interest and (8)_(eat)lots of local food.Millie:Lucky you!I(9)_(be/never)there.Have you ever beenhave beendid you gospenthadvisitedatehave never beenDid you likeMillie is writing about the USA in her diary.Complete her diary entry with the correct forms of the verbs in the box.Saturday,15 MarchHave you ever dreamt of travelling around the world without a passport?Yes,you can realize your dream by taking an online tour.Yesterday Daniel(1)_ me an online tour of the USA.I(2)_ never _ so many wonderful pictures before.Last week,I(3)_ a book about the places of interest in the USA.I(4)_ 20 pages already.Its really interesting.My dad(5)_ just _ from the USA,but I(6)_ never _ there.I hope I can visit the USA some day.showedhavehave boughthave readhasreturnedseenbeenbe buy read return see show活动小结通过以上的活动，我们学习了一般过去时和现在完成时的区别：一般过去时表示过去某个时间发生的事情或存在的状态，说话的侧重点在于陈述_ 的事情或状态；现在完成时表示到说话时为止_发生或完成（不一定结束）的动作或状态，强调造成的结果对_造成的影响。过去已经现在当堂检测当堂检测用所给单词的适当形式填空。1.In the past,most of the people here_(ride)bikes to work.2.I _(buy)a camera the other day,but I have no time to use it now.3.I_(begin)to learn English 5 years ago.I_ (learn)over 1,000 English words since then.4.My brother _already_(have)breakfast.He _(have)it at home just now.15.Jack _just_(come)back.He _(go)to the computer room just now.rodeboughtbegan have learned has had had has come went6.Are there any mistakes in your homework,Jim?Im not sure.I _(not check)it carefully.7.The engineer _(try)every possible way,but still cannot get the computer started.8.Steven_(be)to the USA three times.9.I_(borrow)a book from the library last week.10.Mr Liu isnt here now.He _(go)to Beijing.havent checked has tried has beenhas goneborrowed课堂总结课堂总结重点单词和和短语：重点单词和和短语：dream,passport,dream of/about一般过去时和现在完成时时的区别：一般过去时表示过去某个时间发生的事情或存在的状态，说话的侧重点在于陈述_的事情或状态；现在完成时表示到说话时为止_发生或完成（不一定结束）的动作或状态，强调造成的结果对_造成的影响。Unit 3Period 3过去已经现在