时态 现在完成时

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小学英语考试中“现在完成时”时态问题的解析

小学英语考试中“现在完成时”时态问题的解析

KAOSHI YUPINGJIA◎福建省泉州东海湾实验学校杨玉芳时态包括两部分,即“时间+状态”,时间指“发生动作的时间”;状态指“发生动作的状态”。

小学阶段初步接触现在完成时,主要结构是have /has done ,需要将学生放在实际语境中分析理解这一时态。

实际上,现在完成时是时态语法中的一个“分水岭”,是在一般现在时与一般过去时的基础上难度更高一层的时态知识。

教师在教授现在完成时知识的时候要做好区分,同时使用适合的策略帮助学生更好地理解文本的结构、用法与标志,旨在让学生了解现在完成时态,为后期的深入学习奠定基础。

一、小学阶段“现在完成时”时态分析“现在完成时”表示过去发生的状态或者动作对现在产生的影响,到现在这个动作已经结束或者还将进行下去。

1.“现在完成时”的结构(1)由“助动词have /has+动词的过去分词”构成。

如果句子的主语是第三人称单数,助动词用has ,其他情况使用助动词have 。

例如:She has been to Beijing several times.她已经去北京几次了。

此处的主语是She ,所以助动词用has 。

再如:I’ve known him for a long time.我已经认识他很长时间了。

此处的主语是I ,所以助动词用have ,在此I’ve=I have 。

(2)“现在完成时”的肯定结构是:主语+have/has+动词的过去分词+其他。

例如:He has bought a pair of black shoes.他已经买了一双黑色的鞋子。

(3)“现在完成时”的否定结构是:主语+haven’t /hasn’t+动词的过去分词+其他。

例如:I haven’t been to that bookstore lately.我最近没有去那家书店。

(4)“现在完成时”的疑问句式是:have /has+主语+动词的过去分词+其他?肯定回答是:Yes,主语+have /has.否定回答是:No,主语+haven’t /hasn’t.例如:—Have you done your homework?你做完功课了吗?—Yes,I have./No,I haven’t.是的,做完了。

初中语法 八大时态 现在完成时

初中语法 八大时态 现在完成时

现在完成时1.表示截止现在业已完成的动作eg By now, I have collected all the data that I need.2.表示发生在过去而对现在产生影响、带来结果的动作eg She has been to the United States.3.表示过去发生的动作持续到现在,并可能还要延续eg I have learned English for 8 years.基本结构由 have 加动词的过去分词构成,主语是第三人称单数时,要将 have 改为has。

例句:I have seen the film already. 我已经看过那部电影了。

(现在我知道电影的内容了。

)Have you seen my bag? 你看到我的手提包了吗? (你知道它在哪里? )She has been a dancer for ten years. 她已当了十年的舞蹈演员了。

We’ve planted thousands of trees in the past few years. 过去几年我们种了成千上万棵树。

时态用法对于初接触现在完成时的人来说,往往会产生一种茫然,因为它似乎与一般过去时相似。

那就是,这两种时态描述的动作都始于过去。

其实不然,现在完成时主要表示,发生在过去的动作延续到现在刚刚完成、或许还要延续;侧重于这个动作对现在带来的结果、产生的影响、积累的总和等等。

而一般过去时则只不过是表示动作发生在过去的什么时候。

弄清了这一区别,就很容易理解现在完成时了。

它主要适用于下面的几种情况:1)表示截止现在业已完成的动作By now, I have collected all the data that I need .到现在为止,我已收集到了我所需的全部资料。

She has read 150 pages today .她今天已看了150页。

We haven't met for many years .我们已多年没见了。

完成时的四种时态的基本结构

完成时的四种时态的基本结构

完成时的四种时态的基本结构完成时是英语中的一种时态,表示动作或状态在过去一些时间点之前已经完成。

它的四种基本结构分别是:1.现在完成时现在完成时表示过去一些时间点之前已经完成的动作或状态。

它的基本结构是:主语 + have / has + 过去分词。

例如:- I have finished my homework.(我已经完成了作业。

)- She hasn't visited her grandparents yet.(她还没有去看望她的祖父母。

)2.过去完成时过去完成时表示过去一些时间点之前已经完成的动作或状态。

它的基本结构是:主语 + had + 过去分词。

例如:- He had already left when I arrived.(当我到达时,他已经离开了。

)- They hadn't met each other before the party.(他们在聚会之前还没见过面。

)3.将来完成时将来完成时表示将来一些时间点之前已经完成的动作或状态。

它的基本结构是:主语 + will / shall + have + 过去分词。

例如:- By next week, I will have finished this project.(到下周,我会完成这个项目。

)4.过去将来完成时过去将来完成时表示在过去一些时间点之前将要完成的动作或状态。

它的基本结构是:主语 + would / should + have + 过去分词。

例如:- She said she would have finished the report by yesterday.(她说她应该在昨天之前完成这份报告。

)- He promised he should have paid the bill before leaving.(他承诺在离开之前应该付清账单。

)。

英语时态 现在完成时态

英语时态  现在完成时态

现在完成时的用法主语+have(has)+过去分词(done)1.现在完成时用来表示现在之前已发生过或完成的动作或状态,但其结果却和现在有联系,也就是说,动作或状态发生在过去但它的影响现在还存在.I have lost my wallet.(含义是:现在我没有钱花了.)Jane has laid the table.(含义是:已可以吃饭了.)Michael has been ill.(含义是:现在仍然很虚弱)He has returned from abroad. (含义是:现在已在此地)2. 现在完成时可以用来表示发生在过去某一时刻的,持续到现在的情况,常与for,since连用.Mary has been ill for three days.I have lived here since 1998.3. 现在完成时往往同表示不确定的过去时间状语连用,如already, yet, just, before, recently,still, lately等:He has already obtained a scholarship.I haven't seen much of him recently (lately).We have seen that film before.Have they found the missing child yet4. 现在完成时常常与表示频度的时间状语连用,如often, sometimes, ever, never, twice, on several occasion等:Have you ever been to BeijingI have never heard Bunny say anything against her.I have used this pen only three times. It is still good.George has met that gentleman on several occasions.5. 现在完成时还往往可以同包括现在时间在内的时间状语连用,如now, up to these few days/weeks/months/years, this morning/week/month/year, now, just, today, up to present, so far等:Peter has written six papers so far.Man has now learned to release energy from the nucleus of the atom.There has bee too much rain in San Francisco this year.The friendly relations and cooperation between our two countries have been enhanced in the past few years.Up to the present everything has been successful.6. 现在完成时表示现在之前业已完成的动作,虽然其效果或影响仍然存在但已不再继续,但是有一些现在完成时的句子,在后面加上for+一段时间,则现在完成时的动作就表示延续性.Thomas has studied Russian. (现在不再学俄语)Thomas has studied Russian for three years. (=Thomas began to study Russian three years ago, and is still studying it now.(同第2点用法第一个例句)7. 现在完成时还可以用来表示过去的一个时间到现在这段时间内重复发生的动作.We have had four texts this semester.扩展资料:将来完成时是用在表示在将来某一时间以前已经完成或一直持续的动作。

完成时的四种时态的基本结构

完成时的四种时态的基本结构

完成时的四种时态的基本结构完成时态是英语中最常用的时态之一,它表示过去某个时间点或时间段已经完成的动作或状态。

完成时态有四种基本结构,分别是现在完成时、过去完成时、将来完成时和完成进行时。

下面将分别介绍这四种时态的基本结构和用法。

一、现在完成时现在完成时的基本结构是“have/has + 过去分词”,其中have用于第一人称单数、第二人称单数和复数,has用于第三人称单数。

现在完成时表示过去发生的动作或状态对现在造成的影响或结果,常用于以下情况:1. 表示过去发生的动作或状态对现在造成的影响或结果,如:I have lost my keys.(我丢了我的钥匙。

)She has been studying English for five years.(她已经学习英语五年了。

)2. 表示过去发生的动作或状态一直持续到现在,如:I have lived in this city for ten years.(我在这个城市住了十年了。

) He has worked for this company since 2010.(他自2010年以来一直在这家公司工作。

)3. 表示过去发生的动作或状态与现在有关联,如:I have just finished my homework.(我刚刚完成了我的作业。

)She has already left for the airport.(她已经去机场了。

)二、过去完成时过去完成时的基本结构是“had + 过去分词”,表示在过去某个时间点或时间段之前已经完成的动作或状态。

过去完成时常用于以下情况:1. 表示过去某个时间点或时间段之前已经完成的动作或状态,如:I had finished my work before he arrived.(他到达之前我已经完成了我的工作。

)She had lived in Paris for two years before she moved to London.(她在搬到伦敦之前在巴黎住了两年。

动词的时态之现在完成时

动词的时态之现在完成时
CONTENTS
定义
构成
过去分词
用法
(Present perfect) 过去发生并且已经完成的动 作对现在造成影响或后果,过去某一时间开始并 一直持续到现在并且有可能还会持续的动作或状 态。
基本结构:主语+have/has+动词的过去分词(p.p) ①肯定句:主语+have/has+动词的过去分词(p.p)(V-ed)+宾语(或者其他). ②否定句:主语+have not/has not+动词的过去分词(p.p)(V-ed)+宾语. ③一般疑问句:Have/Has+主语+动词的过去分词(p.p)(V-ed)+宾语(或其他)? ④特殊疑问句:特殊疑问词+一般疑问句(have/has+主语+过去分词+其他)



例如:I have heard nothing from him up to now.到目前为止我没有他的任 何消息。
注意:(1)现在完成时的未完成用法只适用于延续性动词,不可用于终止性动 词,即瞬间完成或延续时间很短的动词。如:come,go,arrive,leave,join, become,die等。
hold held held lay laid laid

keep kept kept lead led led

make made made
meet met met
sell sold sold sit sat sat

shoot shot shot stand stood stood
blow blew blown choose chose chosen drive drove driven fly flew flown forget forgot forgotten give gave given know knew known rise rose risen shake shook shaken sink sank sunk throw threw thrown

英语八大时态之现在完成时

英语八大时态之现在完成时

英语八大时态之:现在完成时同学们我们已经学习了现在进行时、一般现在时、一般过去时、一般将来时这4种时态的用法,但这4种时态还不能满足我们表达的需要。

比如:表示“某人过去曾经做过某事”或者“某人做某事多久”,以上五种时态就派不上用场了。

这时,我们可以用一种新的时态——现在完成时表示。

现在完成时:表示过去发生并且已经完成的动作对现在造成的影响或后果,过去某一时间开始并一直持续到现在并且有可能还会持续的动作或状态一、现在完成时的构成(一)肯定式主语+助动词have /has +过去分词+其它说明:这里的have /has是助动词,没有什么具体意义。

当主语是第三人称单数时助动词用has,其余人称一律用have。

has,have的缩略式分别为's或've。

规则动词过去分词的构成与过去式的构成方式一样,不规则动词可参看不规则动词表。

实例:1)I've just copied all the new words .我刚抄写了所有的生词。

(表示不要再抄了)2)She has lost her books .她丢失了她的书。

(表示到目前为止还没有找到)(如果用过去时:She lost her books . 则强调书是过去丢的这一动作,而不知现在有没有找到) 3)We've just cleaned the classroom .我们刚好打扫了教室。

(表明现在教室是干净的)(二)否定式主语+助动词have /has+not+过去分词+其它说明:现在完成时构成否定句时,只需在助动词have /has后面加not就行。

have not,has not的缩略式分别为haven't ,hasn't。

另外,肯定句中有some,already时,改为否定时要分别改成any,yet。

实例:1)I haven't finished my homework yet.我还没有完成我的作业。

时态详解:现在完成时

时态详解:现在完成时

时态详解:现在完成时一、如何理解现在完成时现在完成时是英语中一个很重要的时态,也是很容易弄错的一个时态。

首先,我们来看看“现在完成时”该如何理解。

你可能会根据字面意思将其理解为:现在完成时就是表示现在已经完成的动作。

但是,这样的理解是很不全面的理解,甚至是很危险的!因为这样的理解将来误导你混淆现在完成时与一般过去的区别。

现在完成时有两个主要用法:一是已完成用法,也叫影响性用法。

该用法的现在完成时表示一个过去发生的动作在过去已经完成,并且这个过去发生并完成的动作对现在有影响或结果,同时说话强调的或感兴趣的就是这个影响或结果,如汉语说“他已离开这个城市了”,其中的“离开”肯定发生了,它对现在的影响或结果就是“他现在已不在这个城市了”;又如汉语说“有人把窗户打破了”,显然“打破窗户”这一动作发生在过去,并且在过去已经完成了,但说话人强调的重点是打破窗户对现在的影响——窗户现在仍是破的。

现在完成时的另一个用法叫未完成用法,也叫持续性用法。

该用法的现在完成时表示一个过去发生的动作或开始的状语在过去并未完成或结束,而是一直持续到现在,并且有可能继续下去(也可能到此结束),如汉语说“他在我们教书已有30年了”,显然“他在我们学校教书”是从30年前开始,并且一直教到现在,已经持续了30年;又如汉语说“自上个星期以来他一直很忙”,显然“忙”是从上个星期开始的,并且这一“忙”就一直忙到现在。

二、现在完成时构成与用法现在完成时由“have / has +过去分词”构成。

如:He has seen the film several times. 这部电影他已看了好几次。

I have known her for a long time. 我认识她很长时间了。

句中的has seen 和have known 均为现在完成时,第一句属影响性用法,其影响是“他对电影内容非常熟悉了”;第二句属持续性用法,指“认识她”已持续了很长一段时间。

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Present perfect Tense & Present perfect continuous TensePreview SheetPresent perfect Tense谓语构成:_________________________现在完成时用法1、表示过去发生的事情但影响到目前或将来。

*I have just cleaned my clothes.我刚洗过衣服。

(cleaned是发生的动作,对现在造成的结果是“衣服干净了”)。

2、表示过去重复发生的动作也可以在将来重复发生*He has handled every situation well. (we expect him to continue.)3、表示过去的动作不发生在过去但可能发生在将来,要使用否定式not 或者never*Yao hasn't returned to China since joining the Rockets.4、表过去开始的动作一直延续的到现在的,用时间状语连词for或者since.*I have been here for just over two years.我到这里才两年多。

用于现在完成时的句型1)It is the first / second time…. that…结构中的从句部分,用现在完成时。

例:It is the first time that I have visited the city.这是我第一次到访这个城市。

---Do you know our town at all?---No, this is the first time I have been here.2)This is the…that…结构,that 从句要用现在完成时.例:This is the best film that I've (ever) seen.这是我看过的最好的电影。

This is the first time (that) I've heard him sing.这是我第一次听他唱歌。

现在完成进行时的用法一、现在完成进行时的构成方法现在完成进行时由“_______________________________”构成。

二、现在完成进行时用法说明表示现在以前这一段时间里一直在进行的动作,这动作可能仍在进行,也可能已停止:He_________________ television all day.他看了一天电视了。

He _________________ this work for three years.这工作他已干了三年了。

It _________________ since last Sunday.自上周星期日以来就一直在下雨。

现在完成进行时、现在完成时& 过去时的区别I 都可表示过去发生的动作对现在产生的结果:★现在进完成进行时:have/ has + been + V 进行时表示的结果是直接:E.g. 1.we have been cleaning the classroom.我们打扫教室来着(其直接结果可能是:1.我们身上都是灰, 2.教室刚刚打扫.)2. Be careful! John has been painting the door.约翰刚刚把门油漆过,(现在油漆还未干),所以你要小心。

★现在完成时:have/ has +V.过去分词表示的是最后的结果:E.g. 1. We have cleaned the classroom.我们把教室打扫过了(其结果是:1.现在教室很清洁,可以用了。

2.可能表示教室是昨天打扫的)2.John has painted the door.约翰已经把门油漆过。

(油漆可能已干了)。

★过去时Past Tense:表示过去某个时间发生的事、存在的状态或经常发生的动作。

说话的侧重点只是陈述一件过去的事情,不强调对“现在”产生的影响。

E.g. We cleaned the classroom.我们打扫教室过。

(强调的是打扫教室的事情)II 现在完成进行时通常表示动作有延续性(一直),而现在完成时往往没有。

★现在完成进行时:(表示动作延续到现在还在进行,没有完成)1、I have been waiting for a letter from my parents.我(一直)在等我父母的来信。

2、It has been raining for three hours.雨(一直)下了三个小时了。

3、We have been studying here since 2004.自从2004年以来,我们(一直)在这里学习。

4、They have been widening the road.他们(一直)在加宽马路。

(但尚未完工)★现在完成时:(表动作已经结束)1、I have waited for a letter from my parents.我在等我父母的来信。

(可能已经等到)2、It has rained for three hours.雨(已经)下了三个小时了。

(可能停了)3、We have studied here since 2004.自从2004年以来,我们在这里学习。

★过去时:表述以前发生的事情,对现在没有关系。

)1、I waited for a letter from my parents.我等我父母的来信。

(只说过去发生的事情。

)2、It rained for three hours.雨(已经)下了三个小时了。

(表昨天以前的一场雨。

)3、We studied here in 2004.2004年我们在这里学习。

(这里不可以和since 连用)4、They widened the road.他们加宽马路。

(只是说过去发生的事情,动作没有对现在没有影响。

)III 现在完成进行时比较生动,有时含有明显的感情色彩,而现在完成时往往只说明一个事实,一种影响或结果,平铺直叙,没有什么感情色彩可言。

例1 a)What have you been doing?b)What have you done?a句表示惊异。

b句只是一个问题。

例2 a)I have been wanting to meet you for long.b)I have long wanted to meet you.a比b更亲切,更有礼貌。

例3 a)Recently Mary has been doing her work regularly.b)Recently Mary has done her work regularly.a句显然是在表扬玛丽。

b只说明一个事实。

例4 a)Who's been eating my apples?b)Who's eaten my apples?a句有强烈的感情色彩,表示愤怒不满,兼有进行时态,所以有“苹果未被全部吃光”的意思b句只是希望回答的一个问题。

是完成时态,说明“苹果一个不剩了”。

After-class Consolidation Sheet一、用所给词的适当形式填空1 They __________ (move) to the south in 1990 and __________ (live) there since then.2 Eric _________ (leave) home last year and ___________ (just come) back.3 Justin _________ (be) away from home for several days. He __________(disappear) last Friday.4 They ___________(buy) this house three years ago and they __________ (live) here since then.5 My brother __________ (go) to see my grandpa last week. He __________ (visit) him three times this month.二、选择填空1. ______ that dress when I first saw you at the station?A. Were you wearingB. Have you wornC. Did you wearD. do you wear2. ―Kate doesn’t look very well. What’s wrong with her?―She has a headache because she ______ too long; she ought to stop work.A. has been readingB. had readC. is readingD. was reading3. “Tell the students to stop shouting. We ______ our essays.”A. writeB. have been writingC. are writingD. have written4. My uncle, Sam,______ manager of the firm.A. has just madeB. is just being madeC. has just been madeD. is just made5. This is the first time the students ______ to Hyde Park.A. have goneB. have beenC. have been goingD. are being gone6. She ______ her mother’s work since she was admitted into hospital.A. is doingB. has been doingC. has doneD. has been done7. Now that you ______ , what are you going to do?A. are being returnedB. have been returningC. have been returnedD. have returned8. I ______ the incident as if it were yesterday.A. am still to rememberB. have still been rememberingC. am being still rememberedD. still remember9. -Where_____ the map? I can’t see anywhere.-I ______ it right here just now.A. did you put; have putB. have you put; putC. had you put; was puttingD. were you putting; have put10. John told Mary that he ______ what he was doing during the vacation.A. was just askedB. was just askingC. had just been askedD. had just asked11. I started my teaching career at the school. That was more than twenty years ago, and I ______ there ever since.A. wasB. had beenC. will beD. have been12. We ______ fine weather for the past few days.A. haveB. are havingC. have been hadD. have been having13. It ______ every day so far this month.A. is rainingB. rainsC. has rainedD. has been rained14. By the end of last year they ______ 1,000 machines.A. turned outB. had turned outC. would turn outD. had been turned out15.―Don’t put the waste on the ground.―Oh, I’m very sorry. I ______ the dustbin there.A. don’t seeB. isn’t seeingC. didn’t seeD. haven’t seen16. Good heavens! There you are! We _________ anxious about you. We _____ you back much earlier all through the night.A. are; expectB. were; had expectedC. will be; are expectingD. have been; were expecting17. Although medical science ____ control over several dangerous diseases, what worries us is that some of them are returning.A. achievedB. has achievedC. will achieveD. had achieved18. Police are now searching for a woman who is reported to _______ since the flood hit the area last Friday.A. have been missing B have got lost C. be missing D. get lost19. Customers are asked to make sure that they _____ the right change before leaving the shop.A. will haveB. have been givenC. have givenD. will be given20 ---- ______ leave at the end of this month.----I don’t think you should do that until ______ another job.A. I’m going to; you’d foundB. I’m going to; you’ve foundC. I’ll; you’ll foundD. I’ll; you’d found(注:文档可能无法思考全面,请浏览后下载,供参考。

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