现在完成时讲解ppt课件(绝对经典).ppt

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1、采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物语法课堂语法课堂采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物致漫长的假期过漫长的假期过后，同学们的后，同学们的差距会拉大。差距会拉大。采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物真题再现：真题再现： I have never been to Beijing for the summer

2、 holidays, and _ he . A.so has B.neither has C.so have D.neither have真题再现：真题再现： -She _ ten years ago-You mean she _ him for ten years？（）？（）A.married； has got married to B.got married； has got married with C.got married； has been married with D.got married； has been married to采用PP管及配件：根据给水设计图配置好PP管及配

3、件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物现在完成时现在完成时 现在完成时的结构现在完成时的结构现在完成时的使用场景现在完成时的使用场景现在完成时的时间状语现在完成时的时间状语短暂性性动词与延续性动词短暂性性动词与延续性动词与一般过去时的用法比较与一般过去时的用法比较采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 一，一，现在完成时的结构现在完成时的结构have (hashave (has）+ + 过去分词过去分词采用PP管及配件：根据给水设计图配置好PP管及配件

4、，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物present(now)futurepast 现在完成时现在完成时( present perfect tense)do my homework I have done my homework. 一，一，现在完成时的结构现在完成时的结构采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 一，一，现在完成时的结构现在完成时的结构采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的

5、圆度，保持熔接部位干净无污物二，现在完成时的使用场景二，现在完成时的使用场景She has already finished the work.她已经完成了工作。她已经完成了工作。场景一场景一. .表示过去发生的某一动作对现在造成的表示过去发生的某一动作对现在造成的影响或结果。常与影响或结果。常与already(already(已经已经) )，just (just (刚刚刚刚) )，yet(yet(然而，还然而，还) )，ever(ever(曾经曾经) )，never(never(从不从不) )，so far(so far(到目前为止到目前为止) )，up till now (up till

6、now (到目前为止到目前为止) )等连用。等连用。采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物I have learnt English for more than I have learnt English for more than ten years. ten years.我已经学了我已经学了10多年的英语。多年的英语。(从从10年前开始年前开始,持续到现在还在学持续到现在还在学)She has swum since half an hour ago.我已经游泳了半个小时我已经游泳了半个小时(半个

7、小时前已经开始游泳半个小时前已经开始游泳,到现在还在游到现在还在游)二，现在完成时的使用场景二，现在完成时的使用场景场景二场景二. .表示动作从过去已经开始表示动作从过去已经开始, , 持续到现持续到现在，并有可能继续下去。常与在，并有可能继续下去。常与since + since + 过去的过去的时间点，时间点，for + for + 一段时间，一段时间，so farso far等连用。等连用。采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物场景三场景三. .表示曾有过或从未有过的表示曾有过或从未有过的经历。

8、经历。I haveI have ever ever beenbeen to the Summer Palace? to the Summer Palace?(我曾去过颐和园我曾去过颐和园) She has gone to Jinan. 她已经去了济南。她已经去了济南。have been to 去了已回去了已回have gone to 去了未回去了未回have been in 待在某地（多长时间）待在某地（多长时间）采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物用用Have been to, have gon

9、e to, have been in 填空填空Mike and his parents _ the north Mike and his parents _ the north for half a year.for half a year.Mum is not at home now. she _ the Mum is not at home now. she _ the shop.shop._ you ever _ to kunming ? Never._ you ever _ to kunming ? Never.Where _ you _ these days?Where _ you

10、_ these days?Has Jim arrived yet?Has Jim arrived yet? Yes, he _ here for several days. Yes, he _ here for several days.Where is Peter? I dont know where he Where is Peter? I dont know where he _._.Hi Jim! Where _ you _ ? Li Lei Hi Jim! Where _ you _ ? Li Lei is looking for you. is looking for you.ha

11、ve been inhas gone tohave beenHave beenhas been has gonehave been采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物常与常与already, already, never, never, ever, ever, just, just, yet, yet, before, before, up to now, up to now, so far, so far, for the last few weeksfor the last few weeks

12、 these days, these days, since since for a long time for a long time 连用连用 采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物1）already 已经，已经，句中，句中，往往用于往往用于肯定句肯定句，用在疑问句时表示强调或加强语气；用在疑问句时表示强调或加强语气； He has already left here. 他已经离开这里了。 Has he already left here? 他（真的）已经离开这里了吗？（表示加强语气）采用PP管

13、及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物2.） yet在现在完成时中在现在完成时中用于否定句和疑问句。用于否定句和疑问句。 否定句否定句:句末句末 “还还(没没)”疑问句疑问句: 句末句末 “己经己经” Eg. I havent had breakfast yet. Have you had breakfast yet?采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物3） never 是否定词，表示是否定词，表示“从来没有从来

14、没有”，而，而ever 表示表示“曾经曾经”，just“刚刚刚刚”。他们都位于。他们都位于have/has 后。后。 We have never been to the Great Wall. 我们从来没有去过长城。我们从来没有去过长城。 Have you ever been to Canada? 你们曾经去过加拿大吗？你们曾经去过加拿大吗？ He has just come back. 他刚刚回来。他刚刚回来。采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物1，Have you _ been to Beij

15、ing. 你你曾经去过北京吗？曾经去过北京吗？2，I have _ read the book. 我已经读我已经读了这本书。了这本书。3，Have you found the rule _ ? 你你已经找到这个规则了吗？已经找到这个规则了吗？4，I have _ come back.我刚刚回我刚刚回来。来。5，He has _ been to Jinan. 他从来他从来没去过济南。没去过济南。already, yet ,never, ever, just采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物4） f

16、or+时间段时间段 I have been here for 5 weeks.我在这儿我在这儿5年了。年了。 Hes studied English for 3 years.我学英我学英语语3年了。年了。采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物5） since+过去的时间点（过去时的从句、一过去的时间点（过去时的从句、一段时间段时间+ago） I have been here since 2000.我从我从2000年年就在这儿。就在这儿。 I have been here since 5 years

17、ago.我我从从5年前开始在这儿。年前开始在这儿。 I have been here since I graduated in 2000.自从自从2000年我毕业，我就在这儿。年我毕业，我就在这儿。采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 注1): since 也可单独使用, 表示“自那时起”; 另外since前也可加上ever,以加强语气.Eg. I have been here (ever) since. I have been here (ever) since I graduated in 2

18、000.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物注2): 对for或since引导的时间状语提问 必须用how long, 决不能用when.Eg. I have lived here for 10 years.How long have you lived here?She has stood here since 2 hour ago.How long has she stood here?采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆

19、度，保持熔接部位干净无污物选用选用 forfor和和 sincesince填空填空: :1.We havent seen each other _ a long time.1.We havent seen each other _ a long time.2.His father has been in the Party _ 10 years 2.His father has been in the Party _ 10 years ago.ago.3.The film has been on _ 20 minutes.3.The film has been on _ 20 minutes.

20、4.Mr Green has worked here _ he came to 4.Mr Green has worked here _ he came to China.China.5.His grandparents have been dead _ several 5.His grandparents have been dead _ several years.years.6. Its five years _ we met last time.6. Its five years _ we met last time.forforsincesinceforforsincesincefo

21、rforsincesince采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物口诀：口诀： 过去的动作或状态，过去的动作或状态， 一直持续到现在，一直持续到现在， for和和since把时间带把时间带 动词必须是延续动词必须是延续 否定句中又除外否定句中又除外采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物判断：（判断：（1）这本书我已经买了）这本书我已经买了3年了。年了。 Ive bought the book for th

22、ree years. Ive had the book for three years. (2) I havent bought the bike for a year. 我买这辆自行车还不到一年。我买这辆自行车还不到一年。 I have bought the bike for a year. 我买这辆自行车一年了。我买这辆自行车一年了。采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物四，短暂性动词与延续动词采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口

23、面的圆度，保持熔接部位干净无污物短暂性动词表示短暂的动作。在肯定句、短暂性动词表示短暂的动作。在肯定句、疑问句中不能与时间段连用，这些动词有疑问句中不能与时间段连用，这些动词有come, go, beging, start, die, buy, come, go, beging, start, die, buy, borrow,sellborrow,sell等。等。延续性动词表示能够延续的动作。如：延续性动词表示能够延续的动作。如：learnlearn，workwork，stand,read,sleepstand,read,sleep，staystay等。等。延续性动词可以与表示时间段的状语延

24、续性动词可以与表示时间段的状语“for+“for+时间段，时间段，since+since+过去时间点，过去时间点，how how long”long”等连用。等连用。采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物判断：判断：这家商店开门这家商店开门6个小时个小时 The shop has open for 6 hours. The shop has been open for 6 hours.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持

25、熔接部位干净无污物短暂性动词的转化为延续性动词短暂性动词的转化为延续性动词1，第一招第一招 变成持续动词变成持续动词如：如：borrow-keep.2，第二招第二招 变成系表结构变成系表结构如：如：finish-be over.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物第一招第一招 变成持续动词变成持续动词转成持续不用愁。转成持续不用愁。买来、得到变拥有，买来、得到变拥有，( (buy /get/ receive /get/ receive have) ) 借入一定变保留。借入一定变保留。( borro

26、w ( borrow keep) keep)穿上变穿着，穿上变穿着，( (put on wear) )感冒感冒have a coldhave a cold。( ( get/ catch a cold have a cold) )开始做某事，开始做某事，toto后动词持续的。后动词持续的。( come to ( come to knowknow know know ，start/begin to study study) study)到达变停留，也可到达变停留，也可be inbe in、be at。( reach/arrive in, at /get to( reach/arrive in, a

27、t /get to be in /at) be in /at)采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物第二招第二招 变成系表结构变成系表结构系表结构来解忧，系表结构来解忧，be be 代代become, get，fall和和go。（系动词（系动词become, get, become, get, fall, gofall, go系动词系动词be be fall ill be ill, go (get) out be out, fall asleep be asleep, get up be up, ）

28、 bebe后名、介、副和形，后名、介、副和形，（bebe加名词、介词短语、副词、加名词、介词短语、副词、形容词构成系表结构）形容词构成系表结构）一切轻松能搞定。一切轻松能搞定。去在那，来在这，回来回去去在那，来在这，回来回去be backbe back。(go (go be there be there come come be here come/go back be here come/go back be back)be back)离开离开be awaybe away，结束，结束be over，开始在进行。，开始在进行。( leave ( leave be away end/ finis

29、h be away end/ finish be over start/begin be over start/begin be be on )on )加入是成员，或在组织中。加入是成员，或在组织中。(join(join be in + be in +组织组织 join be a member of +be a member of +组织组织)开办开办be openbe open（openopen be openbe open）死去死去be deadbe dead（diedie be dead be dead ）采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边

30、剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 判断正误判断正误： 1. 1.我买了这块手表五年了。我买了这块手表五年了。 2. 2.这位老人已经死了十年了。这位老人已经死了十年了。 I I have boughthave bought this watch for five years. this watch for five years. I I have hadhave had this watch this watch forfor five five years/years/sincesince 5 years 5 years ago.ago. The old man The

31、old man has diedhas died for ten years. for ten years. The old man The old man has been deadhas been dead for ten for ten years/since 10 years/since 10 years ago.years ago.WW采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 3.3.他已经回来三天了。他已经回来三天了。 4. 4.自从六点钟他就来这儿了。自从六点钟他就来这儿了。 5. 5.

32、我离开家乡已十年了。我离开家乡已十年了。 He He has come backhas come back for 3 days. for 3 days. He He has been backhas been back forfor 3 days/ 3 days/sincesince 3 3 days days agoago. . He He has come herehas come here since 6 oclock. since 6 oclock. He He has been herehas been here since 6 oclock. since 6 oclock. I

33、I have lefthave left hometown for 10 years. hometown for 10 years. I I have been away fromhave been away from hometown for 10 hometown for 10 years. years.WWW采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物链接：1， Our English teacher is very nice. We _ friends since three years ago.

34、A. were B. become C. have been D. has made2, She _ this book for nearly three weeks. A. has borrowed B. has lent C. has bought D. has kept采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物一，是否与现在有密切联系一，是否与现在有密切联系现在完成时和一般过去时都是说过去现在完成时和一般过去时都是说过去的事情，的事情，; ;而一般过去时，则只而一般过去时，则只讲述讲述发生在过发生

35、在过去的动作和事情去的动作和事情与现在没有关系与现在没有关系。 采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 二，时间状语不同二，时间状语不同常与一般过去时连用的典型的常与一般过去时连用的典型的 表示过去时间的状语表示过去时间的状语: :yesterday(yesterday(昨天昨天), the day before yesterday(), the day before yesterday(前天前天), ),just now(just now(刚才刚才) )， 时间时间+ ago, + ago, la

36、st +last +时间时间 等等; ; eg: The plane took off ten minutes ago. We finished our task last week .采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物当有一个表示当有一个表示过去某一特定时间过去某一特定时间的状的状语时，不用现在完成时，而用一般语时，不用现在完成时，而用一般过去时过去时: : eg: I saw the film on television yesterday . 但但since(since(自自以来以来)+)

37、+某一过去时间或叙某一过去时间或叙述过去事情的从句总是与现在完成时述过去事情的从句总是与现在完成时连用。连用。eg： They have known each other since 1950 . Since he was a child ,he has lived in England.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物动动 词词 填填 空：空： 1._ you _(clean) the room?1._ you _(clean) the room? Yes, we _(do) that Ye

38、s, we _(do) that alreadyalready. . When _ you _(do) it? When _ you _(do) it? We _(do) it We _(do) it an hour agoan hour ago. .2._ he _(see) this film 2._ he _(see) this film yetyet? Yes.? Yes. When _ he _(see) it? When _ he _(see) it? He _ it He _ it last weeklast week. . 3. How many times _you_(be)

39、 there? 3. How many times _you_(be) there? HaveHavecleanedcleanedhave donehave donediddiddododiddidHasHasseenseendiddidseeseesawsawhavehavebeenbeen采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 Has she ever been to Nanjing?Has she ever been to Nanjing?她曾去过南京吗？她曾去过南京吗？ You have n

40、ever been there, have you?You have never been there, have you?你以前从未去过那儿，是吗？你以前从未去过那儿，是吗？ I have been to Guiling ,I went there I have been to Guiling ,I went there last year. last year.我去过桂林，我去年去的。我去过桂林，我去年去的。 She has gone to Nanjing.She has gone to Nanjing. 她已经去南京了。她已经去南京了。采用PP管及配件：根据给水设计图配置好PP管及配件，

41、用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物It is +一段时间一段时间 +since+句子句子(一般过去时一般过去时) =一段时间一段时间+has passed +since + 句子句子(一般过去时一般过去时) Eg. It is five years since I joined the army.=Five years has passed since I joined the army.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物1. I _ (read)

42、 the novel twice. Its interesting.1. I _ (read) the novel twice. Its interesting.2. She _(go) to Pairs, hasnt she? Yes.2. She _(go) to Pairs, hasnt she? Yes. How _ she _(go) there? How _ she _(go) there? She _(go) there by air. She _(go) there by air.3. 3. So farSo far, many countries _(develop) , m

43、any countries _(develop) their software programs. their software programs.4.Mr Chen _(give)up smoking 4.Mr Chen _(give)up smoking last yearlast year. .5.Mr Chen _(give) up smoking 5.Mr Chen _(give) up smoking since last yearsince last year. .have readhave readhas gonehas gonediddidgogowentwenthave d

44、evelopedhave developedgavegavehas givenhas given采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物改改 错错1. How long have you begun to study English?2. I have borrowed this book for two weeks.3. The river has become very dirty since last August.4. Our manager is away today. He has bee

45、n to Guangzhou on business.5. He has gone out for two years.studiedkeptbeengonebeen采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 The house is dirty. We _it for weeks. A didnt clean B hadnt cleaned C dont clean D havent cleaned2. -_the sports meeting might be put off. -Yes, it a

46、ll depends on the weather. A Ive been told B Ive told C Im told D I told3. - Im sorry to keep you waiting. -Oh, not at all. I _here only a few minutes. A have been B had been C was D will be 4. You dont need to describe her. I _ her several times. A. had met B have met C met D meet 5. -Will you go t

47、o Beijing for vacation ?-I _ to go , but I dont know if I can go . A was planning B have planned C had been planning D have been planning 采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物6. -When will they leave ?-They _very soon .A do leave B are leaving C have left D leave 7 -Was

48、 he studying for an exam ? -Yes , hes _ it last week.A doing B to take C making D to give8.The teacher told the pupils that the earth _ round.A is B would C was D were9. She _ such an interesting book before.A was never reading B will never read C had never read D has never read 10.How long do you think the meeting _ A is lasting B is lasted C will last D lasts