1、Learning aims:1.Master the structure and basic usage of present perfect tense(PPT).掌握现在完成时的用法、基本结构。掌握现在完成时的用法、基本结构。2.Master some time expressions usually used in present perfect tense(PPT).掌握常用在现在完成时里的时间表达方式。掌握常用在现在完成时里的时间表达方式。3.Master the rules of forming the past participle of verbs.掌握动词的过去分词变化规则。
2、掌握动词的过去分词变化规则。Answer some questions about the conversation between Mr Chen and Millie.Model 1:Has Sunshine Town changed a lot?Yes,it has.Model 2:Have Mr Chen and his wife moved out of the town?No,they havent.Have you changed the sentences into English?1.1.“我想好好学习，考个好大学，虽然学习不是唯一的出路，我想好好学习，考个好大学，虽然学习不
3、是唯一的出路，但在当下来说是最好的出路。但在当下来说是最好的出路。”Yang Xiuhua杨秀花杨秀花2.她说：她说：“六月就要高考了，我不能放松，一定要考出好成绩。六月就要高考了，我不能放松，一定要考出好成绩。”I want to study hard and get into a good university,although study is not the only way out.But its the best way out right now.The College Entrance Examination is coming in June,she said.I cant
4、relax.I must get good grades.Huang Yuting黄玉婷黄玉婷1.1.我们用我们用现在完成时现在完成时表示从过去表示从过去持续到现在的持续到现在的动作或状态动作或状态,或已完成但或已完成但对现在有一定影响的对现在有一定影响的动作动作。2.2.现在完成时常和现在完成时常和alreadyalready、everever、just just、nevernever、recentlyrecently、yetyet等等 副词以及副词以及sincesince、forfor引导的时间状语连用。引导的时间状语连用。I have been a teacher since 2002.
5、I was a teacher in 2002.I am still a teacher.Now NowPastFuture1.1.现在完成时现在完成时表示从过去表示从过去持续到现在持续到现在的动作或状态的动作或状态。I have been a teacher for 18 years.in 2002 2.2.表示过去发生的动作对现在造成的表示过去发生的动作对现在造成的影响或结果影响或结果。I wrote some words on the Bb yesterday.The words are on the Bb NowNowPast I have written some words on
6、the blackboard.I have written some words on the blackboard.3.3.表示某事直到现在发生了多少次。表示某事直到现在发生了多少次。I have watched the TV show many times.3.3.表示某事直到现在表示某事直到现在发生了多少次发生了多少次。1.1.现在完成时现在完成时表示从过去表示从过去持续到现在的持续到现在的动作或状态动作或状态。2.2.过去发生的动作对现在造成的过去发生的动作对现在造成的影响或结果影响或结果。I have written some words on the Bb already.现在完成
7、时结构：现在完成时结构：I have been a teacher since I left my college(大学大学).Think about:What new structure can you find in these sentences?I have been a teacher for 12 years.I have watched the TV show many times.done过去分词过去分词 have/has+2.2.现在完成时常和现在完成时常和alreadyalready、everever、just just、nevernever、recentlyrecentl
8、y、yetyet等等 副词以及副词以及sincesince、forfor引导的时间状语连用。引导的时间状语连用。since 和和for:1)Eddie has lived with Millie since 2001.Eddie has lived with Millie since 4 years ago.Eddie has lived with Millie since he was born.2)Eddie has lived with Millie for four years.for+时间段时间段 for a year,for two weeks,for three years.3)
9、对以上句子划线部分提问对以上句子划线部分提问:How long has Eddie lived with Millie?Since+_,since last week,since 2008_,since 9 years ago,since 3 days ago _：since you came since he moved here,since I was born时间点时间点（过去的某一时刻）过去的某一时刻）一段时间一段时间+ago从句从句（一般过去时态的时间状语从句（一般过去时态的时间状语从句）LetLets try try!用用since或或for填空：填空：1.I have been
10、at this school _ more than two years.2.She has worked in the factory _ ten years ago.3.Mr.Green has lived in the city _ he was born.4.His father has been a party member _ twenty years.5.She has learned English _ 1999.forforsincesincesince现在完成时现在完成时1.我们用我们用现在完成时现在完成时谈论一个谈论一个从过去开始从过去开始并且一直并且一直延续到现在延续到
11、现在的动作。的动作。Qs:1.自从自从.以来以来+？2.主句用什么时态？主句用什么时态？刚才刚才2.我们用我们用现在完成时现在完成时谈论发生在过去并谈论发生在过去并和现在有联系和现在有联系的动作。的动作。I have lived here for 14 years.P12since+时间状语从句时间状语从句现在完成时现在完成时I lived here 14 years ago.eat-ate-？eatenjust 刚才，用现在完成时刚才，用现在完成时just now 刚刚（用一般过去时）刚刚（用一般过去时）3.我们也用现在完成时谈论到现在为止一个我们也用现在完成时谈论到现在为止一个动作发生了多
12、少次动作发生了多少次。read-read-read/red/already 已经，已经，肯定句中肯定句中 yet 还，尚、迄今还，尚、迄今，否定，否定/疑问句中疑问句中已经已经曾经曾经从不从不刚才刚才近来近来自从自从以来以来+时间段时间段还、尚、迄今还、尚、迄今我们可以把这些时间表我们可以把这些时间表达用于现在完成时。达用于现在完成时。几次几次1.He has _ visited many places in China.2.The train hasnt arrived _.3.Has she arrived _?4.Hasnt he come back_?上一页下一页Tips alread
13、y是是“已经已经”之意，用在之意，用在_中。中。yet用在用在_中，在否定句中有中，在否定句中有“还还”之意。之意。alreadyyetyetyet肯定句肯定句疑问句和否定句疑问句和否定句1.我们像这样在现在完成时中作肯定陈述：我们像这样在现在完成时中作肯定陈述：肯定句:主语+have/has+done.只需要在只需要在_ 后后 加上加上_ 即可。即可。2.我们像这样在现在完成时中作否定陈述：我们像这样在现在完成时中作否定陈述：否定句:主语+havent/hasnt+done.have not=haventhas not=hasnthave或或hasnotWork out the rule只需
14、把只需把_ 提到提到_,其余其余_即可。即可。注意，第注意，第_ 人称变第人称变第_ 人称。人称。3.我们像这样用现在完成时提问和回答问题：我们像这样用现在完成时提问和回答问题：肯定回答肯定回答否定回答否定回答一般疑问句一般疑问句:非三单：非三单：Have+主语主语+done？主三单：主三单：Has+主语（三单）主语（三单）+done？Yes,主语主语+have./No,主语主语+havent.Yes,主主语语+have/has./No,主主+havent/hasnt.只需把只需把_ 提到提到_,其余其余_即可。即可。注意，第注意，第_ 人称变第人称变第_ 人称。人称。have或或has句首句
15、首照抄照抄一一二二A:_they _ homework yet?B:Yes,they _./No,they _.Lets practiseThey have already done homework.havehaventdone HaveA:_ he stopped a taxi yet?B:Yes,he _./No,he _.Lets practise hashasnt我们通过加我们通过加-ed来形成规则动词的过去分词，来形成规则动词的过去分词，就像我们把动词变成它的过去式一样。就像我们把动词变成它的过去式一样。1.大部分动词大部分动词+ed2.以以e结尾的动词结尾的动词+d3.以辅音结尾
16、以辅音结尾+y的动词要把的动词要把y改为改为ied4.以元音以元音+辅音结尾的简短动词辅音结尾的简短动词 双写双写辅音再辅音再+ed不同的不规则动词的过去分词的形成是不同的。这里有一些例子。不同的不规则动词的过去分词的形成是不同的。这里有一些例子。无变化无变化改变元音改变元音改变辅音改变辅音改变元音和辅音改变元音和辅音其他的其他的原形原形 过去分词过去分词规则动词不规则动词原形原形 过去分词过去分词The table below shows more examples of the past participles of verbs.visit repair livemovetry study
17、fitplanvisited repaired livedmovedtried studiedfittedplannedhitputmeetmakesellgivewritethinkhitputmetmadesoldgivenwrittenthought大声朗读以下单词的原形和过去分词大声朗读以下单词的原形和过去分词Mr Wu wants the students to practise using the present perfect tense.Help them write the past participles of the verbs below.borrow plan say
18、hope cry growmake send hitget watch enjoyborrowedhoped madegot/gotten plannedcried sentwatchedsaidgrownhitenjoyedhave finishedhas visitedhas repairedhavent seenhavent comehas taught用现在完成时的正确形式填空并圈出相应的时间状语。用现在完成时的正确形式填空并圈出相应的时间状语。已经（用于肯定句中）已经（用于肯定句中）已经（用于否定和疑问句中）已经（用于否定和疑问句中）从不从不since+时间点（自从）时间点（自从）f
19、or+时间段时间段Have seenadv.近来近来（用于现在完成时）（用于现在完成时）He has met many troubles recently.recent adj.最近的最近的 There have been many changes in recent years.sawhave learnthave heard用于一般过去时用于一般过去时hear about sth.听说听说 learn about sth.了解了解 Past的用法的用法:1.adj.过去的 During/Over the past two weeks 在过去的两周里2.prep.经过，晚于 Its half
20、 past ten.十点半了。3.n.过去 There was a school here in the past.这里过去有个学校。现在完成时和现在完成时和一般过去时有一般过去时有什么区别？什么区别？一般过去时一般过去时只用来表示只用来表示过去发生过去发生了某事，和现在了某事，和现在没有联系没有联系；现在完成时现在完成时:表示过去开始、表示过去开始、现在还在继续现在还在继续或依然与现在或依然与现在 有联系有联系的动作或情况。的动作或情况。e.g.1.He lost his mobile phone yesterday.他昨天丢了手机。他昨天丢了手机。(We dont know whether
21、 he has found it or not.)2.He has lost mobile phone already.他已经把手机丢失了。他已经把手机丢失了。(He cant use it right now.)判断方法：判断方法：依据时间状语和用法，结合句意判断。依据时间状语和用法，结合句意判断。3.He has taught at this school for 3 years.他在这所学校教书有三年了。他在这所学校教书有三年了。1.We _in Cenxi 14 years ago.2.We _in Cenxi since 14 years ago.3.We _ in Cenxi fo
22、r 14 years.livedhave livedhave lived用正确的时态填空用正确的时态填空一般过去时一般过去时1.When _ you _ here?Two days ago.【天津天津】A.did;come B.have;come C.will;come D.do;come2.A nice car!Is it yours?No,it isnt.I _ it from a friend of mine two days ago.【湖北武汉湖北武汉】A.borrow B.have borrowed C.will borrow D.borrowed3.Will you see the
23、 film Cinderella with us tonight?No,I _ it last week.【湖南长沙湖南长沙】A.see B.have seen C.saw 4.How many times _ Carl _ to the Great Wall?Only once.【山东青岛山东青岛】A.does;go B.did;go C.has;gone D.has;been灰姑娘Summary 肯定句肯定句：主语（非三单）：主语（非三单）+have+done过去分词过去分词 主语（三单）主语（三单）+has+done过去分词过去分词 否定句否定句：主语（非三单）：主语（非三单）+have
24、nt+done过去分词过去分词 主语（三单）主语（三单）+hasnt+done过去分词过去分词 一般问句及答语一般问句及答语：Have+主语（非三单）主语（非三单）+done过去分词？过去分词？Yes,主语（非三单）主语（非三单）have./No,主语（非三单）主语（非三单）havent.Has+主语（三单）主语（三单）+done过去分词？过去分词？Yes,主语（三单）主语（三单）has./No,主语（三单）主语（三单）hasnt.Let me test your memory!写出下列动词的过去分词写出下列动词的过去分词livefinishtryplanhitmeetputcatchstop
25、 yet ever never since for just already recently over 短语短语 1.完成完成第四课时第四课时P5-7。2.完成完成第四课时第四课时P9-10。3.预习课本第五课时。预习课本第五课时。Class began 60 minutes ago.Class has been on for 60 minutes.第四课时第四课时P6-7。第四课时 P6 worked worked arrived arrived had had worte written taught taught ate eaten cut cut chatted chatted sh
26、owed showed listened listened P 6ever for yet already never since has come Have seen has sent hasnt found have read have stayed recently havent heard P 6 D C BC B AD CD C have worked hasnt bought any Have cooked How long has lived for two years P7学习了本课后，你有哪些收获和感想？学习了本课后，你有哪些收获和感想？告诉大家好吗？告诉大家好吗？光读书不思考也许能使平庸之辈知识光读书不思考也许能使平庸之辈知识丰富，但它决不能使他们头脑清醒。丰富，但它决不能使他们头脑清醒。约约诺里斯诺里斯
