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1、现在完成时态详细现在现在完成完成时的构成时的构成havedonehas助动词助动词过去过去分词分词现在完成时的基本句型:现在完成时的基本句型:肯定句:肯定句:主语+助动词have/has+动词的过去分词.否定句否定句:主语+助动词have/has+not+动词的过去分词.一般疑问句:疑问句:助动词Have/Has+主语+动词的过去分词?例句:她们已经工作了例句:她们已经工作了。肯定句:肯定句:Theyhaveworked.否定句:否定句:Theyhavenotworked.一般疑问句:一般疑问句:Havetheyworked?肯定回答:肯定回答:Yes,theyhave.否定回答:否定回答:N
2、o,theyhavent.现在完成时的运用:现在完成时的运用:1现在完成时常和副词already,yet,never,ever,before,just等连用。.a)already(用在助动词用在助动词have/has和动词过去分词和动词过去分词之间之间)往往用于肯定句,用在疑问句时表示强)往往用于肯定句,用在疑问句时表示强调或调或加强语气;加强语气;yet用于否定句和疑问句。用于否定句和疑问句。Hehasalreadylefthere.他已经离开这里了。Hashealreadylefthere?他(真的)已经离开这里了吗?(表示加强语气)Myteachershaventhadbreakfast
3、yet.我的老师们还没有吃早饭。Haveyouwrittentoyourparentsyet?你已经给你父母写过信了吗?2.yet在现在完成时中的用法在现在完成时中的用法否定句否定句:句末句末“还还(没没)”疑问句疑问句:句末句末“己经己经”eg:Ihaventhadbreakfastyet.eg:Haveyouhadbreakfastyet?b)never是否定词,表示是否定词,表示“从来没有(从来没有(用在助动用在助动词词have/has和动词过去分词之间和动词过去分词之间)”,而,而ever表示表示“曾经曾经”WehaveneverbeentotheGreatWall.我们从来没有去过长
4、城。HaveyoueverbeentoCanada?你们曾经去过加拿大吗?c)just表示表示“刚刚刚刚”(用于完成时态时,与(用于完成时态时,与already,never等副词的位置一样,多用在助动词等副词的位置一样,多用在助动词have/has和动词过去分词之间)和动词过去分词之间)Hehasjustcomeback.他刚刚回来。Theyhavejustfinishedthework.他们刚刚完成那项工作。动动 词词 填填 空:空:1._ you _(clean)the room?Yes,we _(do)that already.When _ you _(do)it?We _(do)it
5、an hour ago.2._ he _(see)this film yet?Yes.When _ he _(see)it?He _ it last week.3.How many times _you_(be)there?Havecleanedhave donediddodidHasseendidseesawhavebeen下一页上一页主菜单4.I _(read)the novel twice.Its interesting.5.She _(go)to Pairs,hasnt she?Yes.How _ she _(go)there?She _(go)there by air.6.So fa
6、r,many countries _(develop)their software programs.7.Mr Chen _(give)up smoking last year.8.Mr Chen _(give)up smoking since last year.have readhas gonedidgowenthave developedgavehas given下一页上一页主菜单上一页下一页I have learnt English for more than 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
7、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)现在完成时的主要用法现在完成时的主要用法主菜单2.2.表示表示过去过去已经开始已经开始,持续到持续到现在的动作或状现在的动作或状态态.常与常与since+since+过去的时间点,过去的时间点,for+for+一段时一段时间,间,so far so far 等时间状语连用。等时间状语连用。1.for+Eg.Ihavebeenherefor5weeks.HesstudiedEnglishfor3years.一
8、段时间一段时间2.since+从句(一般过去时)单词词组(表示过去某一时间的)时间点时间点Eg.Ihavebeenheresince2000.Ihavebeenheresince5yearsago.IhavebeenheresinceIgraduatedin2000.since:(自自以来以来)1)since+时间点时间点Hehasstayedheresince5oclock.2)since+时间段时间段+agoHehasstayedheresince5hoursago.3)since+从句从句ShehastaughtEnglishsincehecamehere.for:(长达)达)for+时
9、间段时间段Hehaskeptthebookfor2weeks.since,for的用法的用法:Takenotes注1):对for或since引导的时间状语提问必须用howlong,决不能用when.Eg.Ihavelivedherefor10years.Howlonghaveyoulivedhere?Shehasstoodheresince2hourago.Howlonghasshestoodhere?选用选用 for和和 since填空填空:1.We havent seen each other _ a long time.2.His father has been in the Party
10、 _ 10 years ago.3.The film has been on _ 20 minutes.4.Mr Green has worked here _ he came to China.5.His grandparents have been dead _ several years.6.Its five years _ we met last time.forsinceforsinceforsince下一页上一页主菜单3.3.表示人曾有过或到目前为止从表示人曾有过或到目前为止从未有过的未有过的经历经历.上一页下一页I have ever been to the Summer Pal
11、ace?(我曾去过颐和园我曾去过颐和园)I have never had a car.(我从未有过汽车。我从未有过汽车。)现在完成时的主要用法现在完成时的主要用法主菜单HehasgonetoShanghai.他他(已经已经)去上海了。去上海了。HehasbeentoShanghai.他他(曾经曾经)去过上海。去过上海。比较比较have/hasbeento曾经到过某处曾经到过某处have/hasgoneto已经去了某地已经去了某地have been 与have gone 的用法比较 have been to 意思是意思是“到过,去过到过,去过”,表,表示示曾经到过某处曾经到过某处,但现在人不在那
12、儿。,但现在人不在那儿。have gone to 意思是意思是“去了去了”,表示,表示已经已经去了去了某地,现在人可能在去的途中或已某地,现在人可能在去的途中或已在那儿了。在那儿了。have been in 意思是意思是“呆在某处一段时间呆在某处一段时间了了”上一页下一页主菜单1.Has she ever been to Nanjing?她曾去过南京吗?她曾去过南京吗?2.I have been in Dali for three years.你以前从未去过那儿,是吗?你以前从未去过那儿,是吗?3.I have been to Guiling,I went there last year.我去
13、过桂林,我去年去的。我去过桂林,我去年去的。4.She has gone to Nanjing.她已经去南京了。她已经去南京了。上一页下一页主菜单用用have been to,have gone to,have been in 填空填空1.Mike and his parents _ Beijing for half a year.2.Mum is not at home now.she _ the shop.3._ you ever _ to kunming?Never.4.Where _ you _ these days?5.Has Jim arrived yet?Yes,he _ her
14、e for several days.6.Where is Peter?I dont know where he _.7.Hi Jim!Where _ you _?have been inhas gone tohave beenHave beenhas been has gonehave been下一页上一页主菜单短暂性动词与延续动词间的转换leave-come/go(to)-arrive(at/in)-get(to)-reach-buy-borrow-finish-join-start/begin-die-close-open-return-marry-become-beaway(from)
15、be(in/at)be(in/at)be(in/at)be(in/at)havekeepbeoverbein/bea/anbeonbedeadbeclosedbeopenbebackbemarriedbe 翻翻 译译 练练 习:习: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 have bought this watch for five year I have had this watch for five years/since 5 years ago.The old man has died for ten years.T
16、he old man has been dead for ten years/since 10 years ago.WW下一页上一页主菜单 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.我离开家乡已十年了。我离开家乡已十年了。He has come back for 3 days.He has been back for 3 days/since 3 days ago.He has come here since 6 oclock.He has been here since 6 oclock.I have left hometow
17、n for 10 years.I have been away from hometown for 10 years.WWW下一页上一页主菜单现在完成时与一般过去时的比较现在完成时与一般过去时的比较1)一般过去时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,强调动作情,强调动作;现在完成时现在完成时为过去发生的,强调过去的事情对现在的影为过去发生的,强调过去的事情对现在的影响,强调的是影响响,强调的是影响。Isawthisfilmyesterday.(强调看的动作发生过了。)(强调看的动作发生过了。)Ihaveseenthisfilm.(强调对现
18、在的影响,电影的内容已经(强调对现在的影响,电影的内容已经知道了。)知道了。)一般过去时一般过去时:yesterday,last week,ago,in1990,in October,just now现在完成时现在完成时:for,since,already,yet,ever,never,just,so far,in the past few years标志词标志词(1)规则动词)规则动词+ed(2)不规则动词不规则动词见见 课本课本137-138页页have/has +动词的动词的过去分词过去分词 规则动词规则动词+ed(2)不规则动词不规则动词见见 课本课本137-138页页(3)短暂性动词短暂性动词转转 换为换为延续性动词延续性动词动词的动词的过去式过去式动动词词的的形形式式变变化化此课件下载可自行编辑修改,仅供参考!此课件下载可自行编辑修改,仅供参考!感谢您的支持,我们努力做得更好!谢谢感谢您的支持,我们努力做得更好!谢谢