英语完成时态语法讲解专题

英语完成时态语法讲解专题
英语完成时态语法讲解专题

过去完成时态

(一)定义:①表示发生在过去的动作对过去晚些时候造成的影响或结果②过去某一动作一直持续到过去晚些时候将来可能还要延续。发生在前的那个动作【过去的过去】

(二)基本结构:主语+had+过去分词vpp.(done)

①肯定句:主语+had+过去分词.

②否定句:主语+had+not+过去分词.

③一般疑问句:Had+主语+过去分词?

肯定回答:Yes,主语+had.

否定回答:No,主语+had not .

④特殊疑问句:特殊疑问词或词组+一般疑问句(Had+主语+过去分词)?

⑤被动语态:主语+had(hadn't)+been+过去分词

(三)用法:

(1)表示在过去某一时刻或动作以前完成了的动作,也可以说过去的时间关于过去的动作。即“过去的过去”。可以用by, before等介词短语或一个时间状语从句来表示,也可以用一个表示过去的动作来表示,还可能通过上下文来表示。

例如:By nine o’clock last night, we had gotten 200 pictures from the spaceship.

到昨晚9点钟,我们已经收到200 张飞船发来的图片。

(2)表示由过去的某一时刻开始,一直延续到过去另一时间的动作或状态,常和for, since构成的时间状语连用。

例如:I had been at the bus stop for 20 minutes when a bus finally came.

当车来的时候,我在车站已等了20分钟。

He said he had worked in that factory since 1949.

他说自从1949年以来他就在那家工厂工作。

(3)叙述过去发生的事情,在已叙述了过去发生的事情后,反过来追述或补述以前发生的动作时,常使用过去完成时。

例如:Mr. Smith died yesterday. He had been a good friend of mine.

史密斯先生昨天去世了。他以前是我的好友。

I didn’t know a thing about the verbs, for I had not studied my les son.

我对动词一无所知,因为我没有好好学习功课。

(4)在含有定语从句的主从复合句中,如果叙述的是过去的事,先发生的动作常用过去完成时。

例如:I returned the book that I had borrowed.

我已归还了我借的书。

She found the key that she had lost.

她丢失的钥匙找到了。

(5)过去完成时常常用在told,said,knew,heard,thought等动词后的宾语从句(或间接引语)中,这时从句中的动作发生在主句表示的过去的动作之前。

例如:He said that he had known her well.

他说他很熟悉她。

I thought I had sent the letter a week before.

我认为我一星期前就把信寄出去了。

(6)状语从句:在过去不同时间发生的两个动作中,发生在前,用过去完成时;发生在后,用一般过去时。

如when,before,after,as soon as,till/until引导的

例如:When I woke up, it had already stopped raining.

我醒来时雨已停了。

She didn’t go to bed until she had finished her work.

她直到把工作做完之后才睡觉。

注意:如果两个动作紧接着发生,则常常不用过去完成时,特别是在包含before和after的复合句中,因为这时从句的动作和主句的动作发生的先后顺序已经非常明确,这时可以用一般过去时代替过去完成时。

例如:After he arrived in England, Marx worked hard to improve his English.

马克思到达英格兰之后,努力提高他的英语水平。

(7)动词think, want, hope, mean, plan, intend等用过去完成时来表示过去未曾实现的想法,希望,打算或意图等。

例如:They had wanted to help but could not get there in time.

他们本来打算去帮忙,但没有及时赶到那里。

We had hoped to be able to come and see you .

我们本来希望能来看看你。

(8)过去完成时还可用在hardly…when…, no sooner…than…, It was the first (second, etc) time (that)…等固定句型中。

例如:Hardly had he begun to speak when the audience interrupted him.

他刚开始演讲,听众就打断了他。

No sooner had he arrived than he went away again.

他刚到就又走了。

It was the third time that he had been out of work that year.

这是他那一年第三次失业了。

(四)时间状语

before,when,after,by+,until, once,had no sooner……than,yet,already等。

过去完成时与现在完成时的区别:

现在完成时表示的动作发生在过去,以现在的时间为基点,但侧重对现在产生的结果或造成的影响,与现在有关,其结构为“助动词have (has) + 过去分词”;过去完成时则是一个相对的时态,以过去时间为基点,它所表示的动作不仅发生在过去,更强调“过去的过去”,只有和过去某时或某动作相比较时,才用到它。

比较:I have learned 1000 English words so far.到目前为止我已经学会了1000 个英语单词。

I had learned 1000 English words till then.到那时为止我已经学会了1000 个英语单词。

— I'm sorry to keep you waiting. 对不起,让你久等了。

Oh, not at all. I have been here only a few minutes.没什么,我只等了几分钟。(“等”的动作从过去某一时间点持续到现在)

将来完成时

(一)定义:将来完成时用来表示在将来某一时间以前已经完成或一直持续的动作。经常与before+将来时间或by+将来时间连用,也可与before或by the time引导的现在时的从句连用。

(二)基本结构:will/shall+have+过去分词用于第一人称,will+have+过去分词用于其他人称。(三)用法:①表示在将来某一时间之前已完成的动作,并往往对将来某一时间产生影响。

We shall have learned 12 units by the end of this term.

到这个学期末,我们将学完12个单元。

By the time you get home I will have cleaned the house from top to bottom.

你到家之前我将把房子彻底打扫一遍。

②表示推测,相当于"must have done"结构。

You will have heard of this, I guess.

我想你已经听说过这件事了。

I am sure he will have got the information.

我相信他一定得到了这个信息

③.表示某种状态一直持续到说话人所提及的时间

we will have been married a year on june 25th

到6月25日我们俩结婚就满1年了

现在完成进行时

(一)定义:1.表示从过去某时开始一直持续到现在的动作,并且还将持续下去。

2.表示在说话时刻之前到现在正在进行的动作。(二)基本结构:I / we / they have been + 动词的现在分词

He / she / it has been + 动词的现在分词(三)用法:

1、表示从过去某时开始一直持续到现在的动作,并且还将持续下去。

The Chinese have been making paper for two thousand years.

中国有2000年的造纸历史。(动作还将继续下去)

I have been learning English since three years ago.

自从三年前以来我一直在学英语。

(动作还将继续下去)I study for Engilsh since 10 years ago.

2、表示在说话时刻之前到现在正在进行的动作。

We have been waiting for you for half an hour.

我们已经等你半个钟头了(人还没到,如同在电话里说的,还会继续等)

3、有些现在完成进行时的句子等同于现在完成时的句子。

They have been living in this city for ten years.

They have lived in this city for ten years.

他们在这个城市已经住了10年了。

I have been working here for five years.

I have worked here for five years.

我在这里已经工作五年了。

4、大多数现在完成进行时的句子不等同于现在完成时的句子。

I have been writing a book.(动作还将继续下去)

我一直在写一本书。

I have written a book.(动作已经完成)

我已经写了一本书。

They have been building a bridge.

他们一直在造一座桥。

They have built a bridge.

他们造了一座桥。

5、表示状态的动词不能用于现在完成进行时。

I have known him for years.

我认识他已经好几年了。

*注意:I have been knowing...

这类不能用于现在完成进行时的动词还有:love爱,like喜欢,hate讨厌,等。

过去完成进行时

(一)定义:过去完成进行时,就是相对过去的某个时刻来说已经对现在有直接影响并且还在进行的动作。

(二)基本结构:过去完成进行时是由"had been + 现在分词"构成。

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。

Had they 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。

(三)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过去完成进行时还常用于间接引语中

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过去完成进行时之后也可接具有“突然”之意的when分句。

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。

现在完成时和现在完成进行时态的区别:

1、现在完成进行时和现在完成时皆可表示动作对现在产生的结果,但前者所表示的结果是直接的,而后者所表示的则是最后的结果。如:

We have been cleaning the classroom.(a)

We have cleaned the classroom.(b)

(a)句可译为“我们打扫教室来着。”其直接结果可能是:我们身上都是灰。(b)句可以译为“我们把教室打扫过了。”其结果是:现在教室很清洁,可以用了。又,(a)句表示教室刚刚打扫过,(b)句则可能表示教室是昨天打扫的。

Be careful! John has been painting the door.(a)

John has painted the door.(b)

(a)句表示约翰刚刚把门油漆过,现在油漆还未干,所以你要小心。(b)句则无此含义,油漆可能已干了。

2、现在完成进行时有时有延续性,现在完成时往往没有。如:

They have been widening the road.(a)

They have widened the road.(b)

(a)句的意思是他们在加宽马路,但尚未完工。(b)句的意思则是已完工了。有时现在完成时有延续性(如一些属于持续体的动词),但无临时性质。如:

Mr. Smith has been living in London since 1978.(a)

Mr. Smith has lived in London since 1979.(b)

(a)句有“史密斯先生在伦敦久居”的含义,(b)句则没有。

3、但现在完成进行时并不总是具有临时的性质,如:

My mother has been teaching English for twenty years.(a)

My mother has taught English for twenty years.(b)

(a)句在此并无临时性质,但较口语化。(b)句则较为正式。又,(a)句表示动作现在仍在继续.并将延续下去,(b)句的动作是否延续下去,须由上下文决定,但在一般情况下都是延续下去的。

4、现在完成进行时往往表示动作在重复,现在完成时则常常不带重复性。如:

Have you been meeting her lately?(a)

Have you met her lately?(b)

(a)句有“经常相会”之意,(b)句则没有。(b)句如与often,every day等时间状语连用,当然也表示动作在重复。

5、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。如:

What have you been doing?(a)

What have you done?(b)

(a)句表示惊异。(b)句只是一个问题。

Have you been waiting long?(a)

Have you waited long?(b)

(a)句较(b)句生动。又,(a)句比较口语化。

I have been wanting to meet you for long.(a)

I have long wanted to meet you.(b)

(a)句比(b)句更亲切,更有礼貌。

Recently Mary has been doing her work regularly.(a)

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初中英语时态讲解(完整版)

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初中英语四种时态详细讲解 (适合初一学生) 1.一般现在时: (1)表示经常发生 (2)构成:先看主语 主语是三单,动词+s 主语非三单,动词用原形。 TheyoftenwatchTV. HeoftenwatchesTV. (3)变化: 问句:主语前+do/does,动词用原形; 否定:主语后+don’t/doesn’t,动词用原形。 DotheyoftenwatchTV?Theydon’toftenwatchTV. DoesheoftenwatchTV?Hedoesn’toftenwatchTV. 2.现在进行时: a)表示现在正在发生。句中常有now,look,listen等 b)构成:主语+be+doing SheiswatchingTVnow. c)变化 问句:提前be(am,is,are) IsshewatchingTVnow? 否定:be后+not Sheisn’twatchingTVnow. d)加ing的方法: 一般直接+,去不发音的e加,闭音节双写+。 3.一般过去时: a)表示过去的动作或状态,句中常有yesterday,last等过去的时间。 b)构成: 动作:主语+动词的过去式 状态:主语+was/were(句中没实意动词) She watched TVlastnight. She was herelastnight. c)变化: 问句:主语前+did,动词用原形 DidshewatchTVlastnight? Wassheherelastnight? 否定:主语后+didn’t,动词用原形。 She didn’twatchTVlastnight. Shewasn’twatchTVlastnight.

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初中英语语法时态专项练习(1) 1. Sales of CDs have greatly increased since the early 1990s, when people ________ to enjoy th e advantages o f this new technology. A. begin B. began C. have begun D. had begun 2. Turn on the television or open a magazine and you ________ advertisements showing happy families. A. will often see B. often see C. are often seeing D. have often seen 3. —I hear Jane has gone to the Holy Island for her holiday. —Oh, how nice! Do you know when she ________? A. was leaving B. had left C. has left D. left 4. —What were you doing when Tony phoned you? —I had just finished my work and________ to take a shower. A. had started B. started C. have started D. was starting 5. I ________ you not to move my dictionary—now I can’t find it. A. asked B. ask C. was asking D. had asked 6. —Has Sam finished his homework today? —I have no idea. He ________ it this morning. A. did B. has done C. was doing D. had done 7. —What’s that terrible noise? —The neighbors ________ for a party. A. have prepared B. are preparing C. prepare D. will prepare 8. Now that she is out of a job, Lucy ________ going back to school, but she hasn’t decid ed yet. A. had considered B. has been considering C. considered D. is going to consider

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