• 英语语法中的过去完成时和现在完成时的区别

    句话强调的是过去的经历对现在的影响,即我有北京的旅行经历。 而当我们需要强调过去某个时间之前已经完成的动作或事件时,可以使用过去完成时。例如,"She had finished her work before she went to bed."(她睡觉之前已经完成了工作。)这句话强调的是在她睡觉之前已经完成了工作这一过去发生的动作。 需要注意的是,这两种时态都与过去有关,但在时间关系和语义上有所区别。因此,在学习和运用时,我们应该注意上下文和语境,并选择合适的时态来表达自己的意思。 通过掌握现在完成时和过去完成时的用法和区别,小学生们可以更准确地现在完成时(Present Perfect)和过去完成时表达过去的经历、动作和事件,并理解他人对过去的描述。在学习过程中,可以结合练习题和阅读材料,提升对这两种时态的理解和运用能力。 如果您对英语学习感兴趣,想要深入学习,可以了解沪江网校精品课程,量身定制高效实用的个性化学习方案,专属督导全程伴学。扫一扫领200畅学卡

  • 英语过去完成时和现在完成时有什么不一样

    句话强调的是过去的经历对现在的影响,即我有北京的旅行经历。 而当我们需要强调过去某个时间之前已经完成的动作或事件时,可以使用过去完成时。例如,"She had finished her work before she went to bed."(她睡觉之前已经完成了工作。)这句话强调的是在她睡觉之前已经完成了工作这一过去发生的动作。 需要注意的是,这两种时态都与过去有关,但在时间关系和语义上有所区别。因此,在学习和运用时,我们应该注意上下文和语境,并选择合适的时态来表达自己的意思。 通过掌握现在完成时和过去完成时的用法和区别,小学生们可以更准确地现在完成时(Present Perfect)和过去完成时表达过去的经历、动作和事件,并理解他人对过去的描述。在学习过程中,可以结合练习题和阅读材料,提升对这两种时态的理解和运用能力。 如果您对英语学习感兴趣,想要深入学习,可以了解沪江网校精品课程,量身定制高效实用的个性化学习方案,专属督导全程伴学。扫一扫领200畅学卡

  • 英语现在完成时的否定形式是什么

    上有积雪) I have lost my watch. 我把手表丢了。(现在仍未找到) The concert has started. We have to look for our seats in the dark. 音乐会已经开始了,我们得在黑暗中找座位。 The president's sudden death has left the country leaderless. 总统突然去世,使该国处于无领袖状态。 2、表示继续 表示过去已经开始,持续到现在,仍要继续下去的动作或状态。往往和表示一段时间包括现在时间在内的状语连用,如today(今天),this week/month(本周/月),lately(最近),recently(最近),these days(这些日子),in the past few years(在过去的几年里),since(从……以来),since yesterday(从昨天以来),for a long time(很长时间),for a month/several years(一个月/几年),so far(迄今为止),up to now(直到现在),till/until now(直到现在)等,例如: He's known me for over twenty years. 他和我相识已20多年了。 Has he studied French very long? 他学习法语很久了吗? How long have you studied English? 你学英语多现在完成时的否定形式是通过在助动词“have”或“has”后面加上否定词“not”来构成的。因此,现在完成时久了? (现在仍在学) Up to now/Until now we've had no problems. 直到现在为止,我们没有碰到任何问题。 3、现在完成时态经常与表示频度的时间状语连用,如often, sometimes, ever, never, twice, on several occasion等,例如: Have you ever been to Beijing? 你以前去过北京吗? 4、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, just, today, up to present, so far等,例如: Tom has written five papers so far. 汤姆写了五篇论文,到目前为止。 5、现在完成时的"完成用法"指的是动作发生在过去某一时刻并已结束,例如: He has turned the light off. 他已把灯关了。 特别提醒:如果大家想要了解更多日语方面知识,或者想要深入学习日语的,可以扫以下二维码,定制沪江网校精品课程,高效实用的个性化学习方案,专属督导全程伴学 现在完成时是英语中一个非常重要的时态,用来表达从过去某个时间点开始一直延续到现在的动作或事情。然而,在使用现在完成时时,有时需要表达否定意义。

  • 语法 | 过去完成进行时的构成

    行时也必须以一过去时间为前提。 I had been looking for it for days before I found it. 这东西我找了好多天才找着的。 They had only been waiting for the bus a few moments when it came. 他们只等了一会儿车就来了。 ②表示反复的动作。 He had been mentioning your name to me. 他过去多次向我提到过你的名字。 You had been giving me everything. 你对我真是有求必应。 ③常用于间接引语中 The doctor asked what he had been eating. 医生问他吃了什么。 I asked where they had been staying all those days. 我问他们那些天是呆在哪儿的。 ④接具有“突然”之意when句。 I had only been reading a few minutes when he came in. 我刚看了几分钟他就进来了。 She'd only been reviewing her lessons for a short while when her little sister interrupted her. 她温习功课才一会儿,她妹妹就打断她了。 I had been sleeping when my friend telephone me. 我正在睡觉时,我的朋友给我打电话。   怎么样,看完成进行时是由"had been + 现在分词"构成的,今天,小编为大家准备了相关的语法知识,将要为大家来讲解一下:过去完成进行时的概念和用法,一起来看看吧!   She had been suffering from a bad cold when she took the exam. 她在考试之前一直患重感冒。 They had been expecting the news for some time? 他们期待这个消息有一段时间了吧? Rafael was scolded even though he hadn't been doing anything wrong. 尽管拉斐尔没做什么错事,但他还是挨骂了。 6用法 ①表示过去某一时间之前一直进行的动作。 过去完成进行时表示动作在过去某一时间之前开始,一直延续到这一过去时间。和过去完成时一样,过去完成进行时也必须以一过去时间为前提。 I had been looking for it for days before I found it. 这东西我找了好多天才找着的。 They had only been waiting for the bus a few moments when it came. 他们只等了一会儿车就来了。 ②表示反复的动作。 He had been mentioning your name to me. 他过去多次向我提到过你的名字。 You had been giving me everything. 你对我真是有求必应。 ③常用于间接引语中 The doctor asked what he had been eating. 医生问他吃了什么。 I asked where they had been staying all those days. 我问他们那些天是呆在哪儿的。 ④接具有“突然”之意when句。 I had only been reading a few minutes when he came in. 我刚看了几分钟他就进来了。 She'd only been reviewing her lessons for a short while when her little sister interrupted her. 她温习功课才一会儿,她妹妹就打断她了。 I had been sleeping when my friend telephone me. 我正在睡觉时,我的朋友给我打电话。   怎么样,看完了这篇文章,大家是不是对过去完成进行时的概念和用法有了初步的了解了呢?喜欢就赶快收藏起来吧~ 

  • 将来完成进行时的情态意义

    行时。如: I’ll have finished in the bathroom in a few minutes. 我一会儿就用完浴室了。 As soon as I have finished I’ll give you a call. 我一完事儿,就给你打电话。   三、将来完成进行时与将来完成时比较 将来完成进行时与将来完成时的关系和现在完成进行时与现在完成时的关系一样。即在以下情况下可以用将来完成进行时而不用将来完成时: 1. 动作本身就是连续的: By the end of the month he will have been living / working / studying here for ten years. 到了月底他在这里居住 / 工作 / 学习就满十年了。 2. 一种经常进行的动作被表示为连续的动作: By the end of this month he will have been training horses / climbing mountains for twenty years. 到了这个月底他驯马 / 登山就满 20年了。 但是如果提到所驯马匹或所攀登的山峰的数目,或用任何方式把动作分割为一次又一次的动作,就必须用将来完成时: By the end of the month he will have trained 600 horses / climbed 50 mountains. 到本月底,他驯服的马就有600匹 / 攀登的山峰就有50座了。   怎么样,看完成进行时是英语时态中比较常见的一种,但是,大家对它的用法可能还是不太了解。今天,小编为大家准备了相关的语法知识,将要为大家来讲解一下:将来完成进行时的概念和用法,一起来看看吧!   一、将来完成进行时的情态意义 “will / shall have been+现在分词”结构除表示将来完成进行时外,有时其中的 will 也可能是情态动词,具有情态意义,比较表示推测或猜想等。如: They will have been having a holiday yesterday. 他们昨天大概是在度假。 You’ll have been wondering all this time how my invention works. 我想你这些时候一直想知道我的发明怎样会行得通的。   二、将来完成进行时用于状语从句的变体 正如我们通常要在条件状语从句和时时间状语从句中用一般现在时代替一般将来时以及用现在完成时代替将来完成时等一样,如果因语义的需要,我们需要在条件状语从句和时时间状语从句中使用将来完成进行时,那么我们通常要用现在完成进行时代替将来完成进行时。如: I’ll have finished in the bathroom in a few minutes. 我一会儿就用完浴室了。 As soon as I have finished I’ll give you a call. 我一完事儿,就给你打电话。   三、将来完成进行时与将来完成时比较 将来完成进行时与将来完成时的关系和现在完成进行时与现在完成时的关系一样。即在以下情况下可以用将来完成进行时而不用将来完成时: 1. 动作本身就是连续的: By the end of the month he will have been living / working / studying here for ten years. 到了月底他在这里居住 / 工作 / 学习就满十年了。 2. 一种经常进行的动作被表示为连续的动作: By the end of this month he will have been training horses / climbing mountains for twenty years. 到了这个月底他驯马 / 登山就满 20年了。 但是如果提到所驯马匹或所攀登的山峰的数目,或用任何方式把动作分割为一次又一次的动作,就必须用将来完成时: By the end of the month he will have trained 600 horses / climbed 50 mountains. 到本月底,他驯服的马就有600匹 / 攀登的山峰就有50座了。   怎么样,看完了这篇文章,大家是不是对将来完成进行时的用法有了初步的了解了呢?喜欢就赶快收藏起来吧~

  • 语法:过去完成进行时的形式

    别的含义: 1)尚未完成: He had been writing the novel.(He had not finished it yet.) 2)企图: He had been studying the meaning of this proverb.(He was trying to study it.) 3)未得结果: We had been studying what our enemy had said.(But we were not able to understand it.) 4)最近情况: He had been quarrelling with his wife.(lately) 5)反复动作: He had been asking me the same question.(Many times) 6)情绪: What had he been doing?(不耐烦) 这个时态很少用在否定句中,而多以过去完成时代替: He had not practised English for many years.(普通说法) He had not been practising English for many years.(少见) 这个时态还可用在said,supposed等引起的间接引语中,代替现在完成进完成进行时行时: He said,“I have been speaking to John.”= He said that he had been speaking to John. He thought,“She was watching me when I passed.”= He thought that she had been watching him when he had passed.    怎么样,看完了小编给大家准备的语法知识,有没有感觉收获颇多呢?喜欢就收藏起来吧~

  • 现在完成时和现在完成进行时

    行时has been writing谈论的是某事已经发生了多长时间,而现在完成时has written强调的是某事已经完现在完成时态谈论那些过去和现在有联系的事情。[/cn]• He’s written 16 books. [en]He started writing books at some time in the past. So far, he has written 16 books. He may write more books.[/en][cn]他过去有段时间写书。到目前,他已经写了16本书。他可能写更多的书。[/cn][en]As well as the present perfect simple, we can use the present perfect continuous tense to talk about events with a connection to the present.[/en][cn]就跟现在完成时一样,我们也用现在完成进行时态去谈论和现在有联系的事情。[/cn][en]1 Look at these 2 sentences: [/en][cn]1 看下面两个句子:[/cn]• I’ve been decorating the house this summer. The focus is on the action – decorating – and the action is unfinished. • I’ve painted the living room blue. The focus is on the finished result. The activity is finished but we can see the result now. [en]We use the present perfect continuous when the focus is on an activity that is unfinished.[/en][cn]当句子重点是在还没完成的事情上的时候,我们用现在完成进行时。[/cn][en]2 Look at these two sentences.[/en][cn]2 看下面两个句子:[/cn]• I’ve read that book you lent me. I finished it yesterday. • I’ve been reading that book you lent me. I’ve got another 50 pages to read. [en]The present perfect simple (I’ve read) gives the idea of completion while the present perfect continuous (I’ve been reading) suggests that something is unfinished.[/en][cn]现在完成时例句I’ve read是表示完成的意思,而现在完成进行时I’ve been reading则暗示事情还没完成。[/cn][en]3 Look at these two sentences.[/en][cn]3 看下面两个句子:[/cn]• She’s been writing emails for 3 hours. • She’s written 10 messages. [en]The present perfect continuous (has been writing) talks about how long something has been happening. The present perfect simple (has written) talks about how much/how many have been completed.[/en][cn]现在完成进行时has been writing谈论的是某事已经发生了多长时间,而现在完成时has written强调的是某事已经完成了多少。[/cn][en]4 Look at these two sentences.[/en][cn]4 看下面两个句子:[/cn]• I’ve worked here for thirty years. • I usually work in London but I’ve been working in Birmingham for the last 3 weeks. [en]We can use the present perfect simple to talk about how long when we view something as permanent. But the present perfect continuous is often used to show that something is temporary.[/en][cn]我们用现在完成时谈论某件长久的事情。而我们用现在完成进行时表示某件暂时的事。[/cn]

    2017-06-18

    英协语法词汇

  • 将来完成进行时的用法讲解

    完成进行时的形式: I(or You,He,John,They,Those men)will have been doing it 例:I shall have been doing it.  将来完成进行时的用法和将来完成时的用法很相近,主要是将来完成进行时已在发生的动作: He will have been playing on the piano by that time. 他在那个时候之前应该一直都在弹钢琴。 2)表示将来某时某动作已持续多久: By the time the sun rises, I shall have been sleeping for nine hours. 太阳升起来之前,我已经(不停地)睡了9个小时了。 He will have been studying Chinese seven years by 1980. 到1980年之前,他就已经学了7年中文了。 By six this evening I shall have been working for ten hours. 今天傍晚六点前,我就已经(连续)工作了10个小时了。 It will have been raining for a whole week if it rains again

  • 过去完成进行时的时态特点

    行时的用法 A. 在某段时间内一直进行的动作用现在完成进行时来强调动作在某段时间里的持续性动作通常有"现在"的结果要根据上下文来确定到"现在"为止动作是否还在继续进行同样过去完成进行时表示在过去更早时间内进行的动作,并对过去某一时刻产生结果。 B.表示重复动作的现在/过去完成进行时 我们也可以用完成进完成时代替,例如: He had not practiced English for many years 他没有练习英语很多年了。(普通说法) He had not been practicing English for many years. 很多年了,他一直没有练习英语。(少见) 二、这种时态还可用在said,supposed等引起的间接引语中代替现在完成进行时 He said“I have been speaking to John”= He said that he had been speaking to John 他说“我一直和约翰说着话”。 He thought“She was watching me when I passed”= He thought that she had been watching him when he had passed 他想“当我经过的时候,她正看着我”。 三、过去完成进行时经常与现在完成进行时混淆。 现在完成进行时 (The present perfect progressive) 由 have/has been +-分词构成 过去完成进行时 The past perfect progressive tenses 由 had been +-分词构成 四、现在/过去完成进行时的用法 A. 在某段时间内一直进行的动作用现在完成进行时来强调动作在某段时间里的持续性动作通常有"现在"的结果要根据上下文来确定到"现在"为止动作是否还在继续进行同样过去完成进行时表示在过去更早时间内进行的动作,并对过去某一时刻产生结果。 B.表示重复动作的现在/过去完成进行时 我们也可以用完成进行时形式来表示现在或过去经常重复的动作。 注意过去完成进行时和过去完成时类似需要有过去这一时间点。