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英语五大常见必考语法时态

发布时间:2021-03-02 13:51:26

1. 英语的全部语法、时态

时态还好点,比较少。语法就太多了,字数限制。去网络,都有,就这个http://ke..com/view/328219.html?wtp=tt

英语的时态(tense)是一种动词形式,不同的时态用以表示不同的时间与方式。

是表示行为、动作和状态在各种时间条件下的动词形式。因此,当我们说时态结构的时候,指的是相应时态下的动词形式。

英语时态分为16种:一般现在、一般过去、一般将来、过去将来时,以及这四者的进行时、完成时和完成进行时

下面就英语中常见的八种基本时态进行阐述,其它的时态都是在这八种时态的基础上结合而成的。

一、 一般现在时:

1.概念:经常、反复发生的动作或行为及现在的某种状况。

2.时间状语: always, usually, often, sometimes, every week (day, year, month…), once a week, on Sundays,

3.基本结构:动词 原形 (如主语为第三人称单数,动词上要改为第三人称单数形式)

4.否定形式:am/is/are+not;此时态的谓语动词若为行为动词,则在其前加don't,如主语为第三人称单数,则用doesn't,同时还原行为动词。

5.一般疑问句:把be动词放于句首;用助动词do提问,如主语为第三人称单数,则用does,同时,还原行为动词。

6.例句:. It seldom snows here.

He is always ready to help others.

Action speaks louder than words.

二、 一般过去时:

1.概念:过去某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为。

2.时间状语:ago, yesterday, the day before yesterday, last week,last(year, night, month…), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc.

3.基本结构:be动词;行为动词 的过去式

4.否定形式:was/were+not;在行为动词前加didn't,同时还原行为动词。

5.一般疑问句:was或were放于句首;用助动词do的过去式did 提问,同时还原行为动词。

6.例句:She often came to help us in those days.

I didn't know you were so busy.

三、 现在进行时:

1.概念:表示现阶段或说话时正在进行的动作及行为。

2.时间状语:now, at this time, these days, etc.

3.基本结构:am/is/are+doing

4.否定形式:am/is/are+not+doing.

5.一般疑问句:把be动词放于句首。

6.例句: How are you feeling today?

He is doing well in his lessons.

四、 过去进行时:

1.概念:表示过去某段时间或某一时刻正在发生或进行的行为或动作。

2.时间状语:at this time yesterday, at that time或以when引导的谓语动词是一般过去时的时间状语等。

3.基本结构:was/were+doing

4.否定形式:was/were + not + doing.

5.一般疑问句:把was或were放于句首。

6.例句:At that time she was working in a PLA unit.

When he came in, I was reading a newspaper.

五、 现在完成时:

1.概念:过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态。

2.时间状语:recently, lately, since…for…,in the past few years, etc.

3.基本结构:have/has + done

4.否定形式:have/has + not +done.

5.一般疑问句:have或has。

6.例句:I've written an article.

The countryside has changed a lot in the past few years.

六、 过去完成时:

1.概念:以过去某个时间为标准,在此以前发生的动作或行为,或在过去某动作之前完成的行为,即“过去的过去”。

2.时间状语:before, by the end of last year(term, month…),etc.

3.基本结构:had + done.

4.否定形式:had + not + done.

5.一般疑问句:had放于句首。

6.例句:As soon as we got to the station, the train had left.

By the end of last month. We had reviewed four books

七、 一般将来时:

1.概念:表示将要发生的动作或存在的状态及打算、计划或准备做某事。

2.时间状语:tomorrow, next day(week, month, year…),soon, in a few minutes, by…,the day after tomorrow, etc.

3.基本结构:am/is/are/going to + do;will/shall + do.

4.否定形式:was/were + not; 在行为动词前加didn't,同时还原行为动词。

5.一般疑问句:be放于句首;will/shall提到句首。

6.例句:They are going to have a competition with us in studies.

It is going to rain.

八、 过去将来时:

1.概念:立足于过去某一时刻,从过去看将来,常用于宾语从句中。
2.时间状语:the next day(morning, year…),the following month(week…),etc.
3.基本结构:was/were/going to + do;would/should + do.
4.否定形式:was/were/not + going to + do;would/should + not + do.
5.一般疑问句:was或were放于句首;would/should 提到句首。
6.例句:He said he would go to Beijing the next day.
I asked who was going there .

九.将来完成时:
1.概念:在将来某一时刻之前开始的动作或状态
2.时间状语:by the time of;by the end of+时间短语(将来);by the time+从句(将来)
3.基本结构:be going to/will/shall + have done

十.现在完成进行时:
1.概念:在过去某一时刻之前开始的动作或状态一直持续到说话为止
2.基本结构:have/has +been+doing
几种常见时态的相互转换

英语中的几种时态在一定情况下可以互相转换,以下是几种常见的转换形式:

十一、 一般过去时与现在完成时的转换

在现在完成时中,延续性动词能与表示一段时间的状语连用,瞬间动词却不能。但是,可用别的表达方式:①瞬间动词用于“一段时间 + ago”的一般过去时的句型中;②瞬间动词可改成与之相对应的延续性动词及短语,与一段时间连用;③瞬间动词用于“It is + 一段时间 + since + 一般过去时”的句型中,表示“自从……以来有……时间”的意思,主句一般用it is来代替It has been;④瞬间动词用于“Some time has passed since + 一般过去时”的句型中。请看:

A. He joined the League two years ago.

B. He has been in the League for two years.

C. It is two years since he joined the League.

D. Two years has passed since he joined the League.

十二、 一般现在时与现在进行时的转换

在一般现在时中,at加上名词表示“处于某种状态”,如at work(在工作), at school(上学、上课)等。此短语可与进行时态转换。请看:

Peter is at work, but Mike is at play.

Peter is working, but Mike is playing.

十三、 现在进行时与一般将来时的转换

在现在进行时态中go, come, leave, start, arrive等动词常与表示将来的时间状语连用表示将要发生的动作。如:I am coming, Mum! 意为“我就来,妈妈!”请看:

The train is leaving soon.

The train will leave soon.

十六种时态
一般现在时,一般过去时,一般将来时,一般过去将来时;
现在进行时,过去进行时,将来进行时,过去将来进行时;
现在完成时,过去完成时,将来完成时,过去将来完成时;
现在完成进行时,过去完成进行时,将来完成进行时,过去将来完成进行时.

2. 英语四种时态及例句(不少于五个)

一般现在时:
I leave home for school at 7:00 every morning.
Jack likes Chinese food very much.
I am a studengt.

I have three sisters.
I like apples.
现在进行时:

I am working.
He is watching TV in his bedroom now.
The students are playing football.
She is singing an English song
I am doing my homework.

一般将来时:

I will have a meeting tomorrow
My mother will come back tomorrow
The meeting will be put off
It's going to rain
I will go to Japan tomorrow
现在完成时:
I ever been to Beijing
I have done my homework.
He has turned the light off .
I've been to Beijing two times so far.
He has been away from the city.
希望能够帮到你!

3. 英语的五大时态

五、 现在完成时现在完成时由have的人称形式加过去分词构成。他的肯定、否定及疑问形式如下: i have read it. i have not read it. have you read it? 现在完成时表示现刻以前发生的动作或情况,可以是: 1. 到现在为止的这一时期中发生的情况(可能时多次动作的总和,也可表示状态和习惯性动作): we have opened up 200 mu of land this year. how many pages have you covered today? i haven’t seen him for many days. 2. 对现状有影响的某一已发生的动作: the delegation has already left. i have seen the film many times. the city has taken on a new look. 注: 这个时态有时还可以表示过去曾发生过一次或多次的情况,也可以说是一种经历: all our children have had measles. man’s hairs have grown white in a single might. he says that he has seen a meteor at some time. 这个时态的基本特点是它和现在有密切的联系,或是讲迄今为止这一段时间的情况,或是讲一个影响现状的动作,这样它不是从时间上就是从后果上和现在联系起来。根据这个特点我们可以判断什么时候用一般过去时,什么时候用现在完成时: 1. 当有一个表示过去某时的状语(包括when)时,不能用现在完成时: i saw her a minute ago. just now xiao lin came to see you. when did you get to know it? 2.当有一个表示到现在为止这段时间的状语时,多用现在完成时: up till now we have planted over 24,000 fruit trees. we haven’t had any physical training classes this week. he has learned a good deal since he came here. 3.在用already, yet, just, as yet, ever, never这类副词作状语时,常可用现在完成时: this is the second game. they ’ve already won a game. have you got the plan ready yet? ?no, not yet. i’ve just received a money order. 4.在单独谈一个过去的动作,不涉及它对现在的影响时,通常用一般过去时,如果谈一件已经发生的事,不考虑它是什么时候发生的,而主要考虑对现在的影响,多用现在完成时: did you get up very early? has he got up? what did you have for lunch? have you had lunch? i got the news from xiao yu. i’ve got no news from him. 注: 有since引起的状语时,主要谓语通常用完成时态: we met in 1972,and have been good friends ever since (then). it has rained a great deal since you left. we haven’t seen each other again since them (since we parted in 1952). 但在表示时间长度时可用一般现在时。 l 在使用一个表示状态的动词(如be, seem等)作谓语时,间或也可用现在时态: it’s ok since i fixed it. it seems a long time since i was here. i’m getting interested in china since you came here. 间或用过去时,特别时在口语中。 i lost ten pounds since i started swimming. 在since引起的状语从句中,通常用一般过去时。但间或可用现在完成时: i haven’t seen him since i have been back. since i have known her, she has been fond of sports. 有时同样一句汉语,由于使用场合不用,译成英语时可能需要不同时态: has xiao yang come? did xiao yang come? how many people have gone to the factory? how many people went to the factory? we haven’t invited him. we didn’t invite him. 有时同样一个动作,也随着说话的意图不同而用不同时态表示: has he gone to town? how did he go there? 后一句谈动作本身,与现在无联系。 have you had your lunch? where did you have it? 你吃中午饭了吗?在那吃的? has she left? why did she leave so early? 某些动词的现在完成时刻表示一直持续到现在的状态: how have you been (recently)? the conference has lasted five days. we’ve known each other since we were children. 特别是动词be,是常常这样用的: he’s been back for three days. (不能用has come back) she has been a teacher for ten years. (不能说has become) he has been in college for a year. (不能说has entered) 由于come, become, enter和get up 等动词都只代表一个短暂的动作,不能代表一个延续的状态,这是需要用be来表示延续的状态:另外有少数动词(主要是work, study, teach, live等)可用于现在完成时表示一直持续到现在的一个动作: how long have you worked here? she has taught english for many years. we’ve lived here for quite a few years. 但大多数动词不宜这样用,而需用现在完成进行时。注:have been (to)长可用来表示“到过某地”或“刚去做过某事” have you ever been to xi’an? xiao liu has just been here. we’ve been here(there)many times. l 现在完成时还可用在表示时间或条件的状语从句中,表示将来某时业已完成的动作: i’ll go and see the exhibition as soon as i have got the recorder fixed. we’ll start at five o’clock if it has stopped raining by then i will gibe my opinion when i have read the book through. 这利用“现在完成时”时表示这动作将在另一动作之前完成。如果两个动词同时发生,或几乎同时发生,(也就是说一个动作紧接着另一个动作),一般就不用这个时态: i’ll let you know as soon as i hear from her. she’ll write you when she gets there. 在这样的情况下(特别是当我们用的是get, arrive, see, hear, leave, return 等代表迅即完成的动作的动词时),多用一般现在时。有时两种时态都可以用: we’ll leave as soon as it stops(has stopped) raining. i’ll tell him after you leave (have left). 注:have got 形式上时现在完成时,却和have时同一个意思: she has got (=has) a slight temperature. have you got (=do you have) any sisters? 另外,现在有一种倾向,特别是在美国,在随便谈话时,常用一般过去时代替现在完成时: i saw it already (=i have seen it already). did you return the records yet (=have you returned the records yet)? i just come back (=i’ve just come back).

4. 英语五大结构的例句,要8种时态的句子

英语的8种时态

一)动词的时态
时态是谓语动词所表示的动作或情况发生时间的各种形式.英语动词有16种时态,但是常见的只有九种:一般现在时、一般过去时、一般将来时、现在进行时、过去进行时、现在完成时、过去完成时,过去将来时,现在完成进行时。常用的时态只有八种。
1.一般现在时的用法
1)表示经常性、习惯性的动作;表示现在的状态、特征和真理.句中常用 often,usually,every day等时间状语。例如:
He goes to school every day.(经常性动作)
He is very happy.(现在的状态)
The earth moves around the sun.(真理)
2)在时间状语从句和条件状语从句中,用一般现在时表示将来.例如:
If you come this afternoon,we' ll have a meeting.
When I graate,I’ll go to the countryside.
3)有时这个时态表示按计划、规定要发生的动作,(句中都带有时间状语)但限于少数动词如 begin,come,leave,go,arrive,start,stop,return,open,close等.例如:
The meeting begins at seven.
The train starts at nine in the morning.
4)表示状态和感觉的动词,如 be,like,hate,think,remember,find,sound等常用一般现在时.例如:
I like English very much.
The story sounds very interesting.
5)书报的标题,小说等情节介绍常用一般现在时.
2.一般过去时的用法
l)表示过去某时间发生的事、存在的状态或过去反复发生的动作.
He saw Mr Wang yesterday.
He worked in a factory in 1986
2)表示过去经常发生的动作,也可用“used to”和“would +动词原形”。例如:
I used to smoke.
During the vacation I would swim in the sea.
注意;used to表示过去常发生而现在不再发生的动作或存在的状态。另外?“to be used to +名词(动句词)“表示”习惯于……。例如
I am used to the climate here.
He is used to swimming in winter.
3.一般将来时的用法
一般将来时表示将来的动作或状态,其表达形式除了“ will或 shall十动词原形”外,还有以下几种形式.
l)“ to be going to十动词原形”,表示即将发生的或最近打算进行的事.例如:
It is going to rain.
We are going to have a meeting today.
2) go,come,start,move,sail,leave等可用进行时态表示按计划即将发生的动作.例如:
I’m leaving for Beijing.
3)“be to十动词原形”表示按计划要发生的事或征求对方意见.例如:
Are we to go on with this work?
The boy is to go to school tomorrow.
4)“ be about to十动词原形”表示即将发生的动作。例如:
We are about to leave.
5)某些词,如 come,go,leave,arrive,start等的一般现在时和现在进行时也可表示将来.
The meeting starts at five o’clock.
He is leaving tomorrow.
4.现在进行时的用法
1)现在进行时表示现在正在进行的动作,由“ to be十现在分词”构成,另外“系动词十介词或副词”也表示进行时的意义.例如:
What are you doing?
The bridge is under construction.
2)表示感觉,愿望和状态的某些动词如 have,be,hear,see,like等词一般不用进行时.
5.过去进行时的用法
l)过去进行时表示过去某一时刻、某一阶段正进行的动作,由“ was(were)十现在分词”构成.例如:
In 1980 he was studying in a university.
He was reading a novel when I came in.
6.现在完成时的用法
现在完成时由“ have十过去分词”构成.其使用有两种情况:
1)现在完成时所表示的动作在说话之前已完成,而对现在有影响.句中没有具体时间状语.例如
He has gone to Fuzhou. (说话人认为他不在该地)
He has been to Fuzhou.(说话人认为他在该地)
2)现在完成时所表示的动作开始于过去,持续到现在,也许还会持续下去.常用for和 since表示一段时间的状语或 so far,now,today, this week( month,year)等表示包括现在时问在内的状语。例如:
He has studied English for 5 years.
He has studied English since 1985.
Now I have finished the work.
注意:表示短暂时间动作的词,如 come,go,die,marry,buy等的完成时不能与for,since等表示一段时间的词连用.
3)现在完成时还可用在时间和条件状语从句中、表示将来某时完成的动作.例如:
I’ll go to your home when I have finished my homework.
If it has stopped snowing in the morning,we’ll go to the park.
7.过去完成时的用法
l)过去完成时由“ had十过去分词”构成。过去完成时的动词表示过去某一时刻或某一动作之前完成的动作或状态.句中常用 by,before,until,when等词引导的时间状语.例如:
By the end of last year we had built five new houses.
I had learnt 5000 words before I entered the university.
2)过去完成时的动词还可表示过去某一时刻之前发生的动作或状态持续到过去某个时间或持续下去。例如:
Before he slept,he had worked for 12 hours.
8.过去将来时的用法
过去将来时表示从过去的某时间看来将要发生的动作或存在的状态.过去将来时由“ should或 would十动词原形”构成。第一人称用 should,其他人称用 would.例如:
They were sure that they would succeed.
9.现在完成进行时的用法
现在完成进行时由“ have(has)十 been十现在分词”构成,表示现在以前一直在进行的动作。有些词,如 work,study、live,teach等用现在完成进行时与用现在完成时意思差不多.例如:
I have worked here for three years.
I have been working here for three years.
但多数动词在这两种时态中表示不同意思.例如:
I have written a letter(已写完)
I have been writing a letter.(还在写)
注意:表示短暂动作的动词,如 finish,marry,get up,come,go等不能用这种时态.

5. 英语16种语法时态,我要精讲。。。分值大大的有

分值大大的有

6. 英语五大时态

现在进行时 ;现在完成时 ; 过去完成时; 一般将来时;一般过去式

7. 英语各种时态总汇,,,,,,,,,要要点!!!

时态 陈述句 一般问句 简略回答 否定句 信息词 动词形式
及变化规则
一般现在时 主+be+表
主+v/v-es+宾 Be+主+表?
Do/Does+主+v+宾? Yes,主+be/No,主+be+not.
Yes,主+do/does./No,主+don’t/doesn’t. 主+be not +表
主+ don’t/doesn’t+v +宾 Every; often; usually;
Sometimes; seldom;
hardly ever; never +s
S,x,sh,ch +es
辅+y-i+es

一般将来时
主+will +宾
主+will +be+n./adj.
主+be+going to +do宾 will +主+宾?
will +主+ be+n./adj.?
be+主+ going to +do宾? Yes,主+will.
No, 主+won’t.
Yes, 主+be.
No, 主+be not.
主+won’t +宾
主+ won’t +be+n./adj.
主+be not+going to +do宾 Tomorrow; the day after tomorrow
Next; in+≥2012
In the future v
一般过去时
主+be +表
主+v-ed+宾 Be+主+表、?
Did+主+v+宾?
Yes。主+be
No。主+be not
Yes。主+did
No,主+did not 主+be+not+表
主+did not+v+宾 Yesterday the before yesterday ;last+… ;… ago;in+,≤2010 +ed
-e+d
辅+y-i+es
辅元辅(重读)--双写
现在进行时
主+am/is/are+ v-ing+宾 Is/Are+主+ v-ing+宾? Yes,主+be/No,主+be not 主+be not +v-ing +宾 now; look; listen ;Don’t; It’s o’clock. +ing
哑e去e+ing
辅元辅(重)—双写辅+ing
过去进行时
主+was/were +v-ing +宾 was/were+主+v-ing +宾 Yes,主+be/No,主+be not 主+be not +v-ing +宾 At this time yesterday ;when ;while +ing
哑e去e+ing
辅元辅(重)—双写辅+ing
现在完成时
主+have/has+v-ed+宾 Have/has+主+v-ed+宾? Yes,主+have/has
No。主+have not/has not 主+have/has+not+v-ed+宾 Already ;yet; ever ;never;for;次数;so far;by +ed
-e+d
辅+y-i+es
辅元辅(重读)--双写
过去完成时
主+had+v-ed+宾 Had+v-ed+宾 Yes,主+had
No,主+hadn’t 主+hadn’t+v-ed+宾 Already ;yet; ever ;never;for;次数;so far;by +ed
-e+d
辅+y-i+es
辅元辅(重读)--双写
过去将来时
主+would+v
+宾 Would+主+v+宾 Yes,主+would.
No,主+wouldn’t. 主+wouldn’t+V宾 直接引语变间接引语 V

现在完成进行时
主+have/has+been+v-ing+宾 Have/has+主+been
+v-ing+宾
Yes,主+have/has
No+主+haven’t/hasn’t 主+haven’t/hasn’t+
Been+v-ing+宾 Already ;yet; ever ;never;for;次数;so far;by +ed
-e+d
辅+y-i+es
辅元辅(重读)--双写

8. 英语中考常考哪些时态

中考中常会出现的八大基本时态
在英语中共有16种时态,下面就英语中常见的8种基本时态进行阐述,其它的时态都是在这8种时态的基础上结合而成的。
1.一般现在时的用法
1)一般现在时表示经常发生的习惯性的动作或目前所处的状态,主语具备的性格和能力。
I get up at six thirty in the morning. 我早上六点半起床。
The boy goes to school by bike every day. 这个男孩每天骑自行车上学。
I am a student in No. 1 Middle School. 我是第一中学的学生。
2)一般现在时常用频率副词或短语来作时间状语:
often, usually, always, sometimes , seldom, every day (week, year, night), twice a month, three times a week.
They often play football after school.他们经常放学后踢足球。
We visit our grandparents once a week. 我们一个星期看望祖父母一次。
3)在一般现在时中,如果主语是第三人称时,行为动词要进行变化,变化规则如下:
它的变化规则和名词单复数的变化规则很相似。
一般在词尾加s:
clean, keep, return, plan
cleans, keeps, returns, plans
以字母s, x, sh, ch, o 结尾的词,加es
finish, miss, watch, go, fix
finishes, misses, watches, goes, fixes
以字母e结尾直接加s
wake, ride, dance, use
wakes, rides, dances, uses
以辅音字母加y结尾的词,先改y为i,再加es
dry, study, worry
dries, studies, worries
4)某些动词如 come, go, move, stop, leave, arrive, start等,在一般现在时中可用来表示将来肯定会发生的动作。
The bus comes at 3 o'clock.汽车三点钟到。
Tomorrow is Monday.明天是星期一。
2. 一般过去时的用法
一般过去时表示过去某一时刻或某一段时间内所发生的动作或情况,一般过去时常和表示过去时间的词、词组或从句连用,如 yesterday, the day before last, last week, two days ago等,上下文清楚时可以不带时间状语,但绝对不可与recently, in the past 10 years, this month等连用,因为这样的时间状语都与现在有关系,应该用其他时态。例如:
I worked in that factory last year.去年我在那家工厂工作。
一般过去时的句子要用动词的过去式来表示,规则动词的过去式,就是在动词后面加ed的动词形式,例如:
I visited the park yesterday. 本句的visited就是动词的过去式。
不规则动词的过去式与过去分词需要逐个去记。
3. 一般将来时的用法
一般将来时表示将来某个时间要发生的动作或存在的状态,也可以表示将来经常或反复发生的动作。一般将来时由“will或shall+动词原形” 构成。shall用于第一人称,will用于第二、三人称,但是现在第一人称一般也用will,其区别并不明显。一般将来时常常和表示将来的时间状语连用,如:tomorrow,next week,in 2008等。例如:
Li Lei will visit her grandmother tomorrow morning. 明天上午,李蕾将去看望她奶奶。
另外,“be going to+动词原形”结构常用来表示按照主观意图打算或按计划,安排将要做的事,有“打算、就要”的意思。也常用于表示从迹象上表明将要发生的事情,多指个人主观臆断的推测。如:
They are going to play football this afternoon. 他们打算今天下午踢足球。
Look at the clouds. It’s going to rain. 看这些云,要下雨了。
4. 现在进行时的用法
1)现在进行时一般用来表示现在(说话的瞬间)正在发生或进行的动作或者表示现阶段经常发生的动作,常与now,right now,at the moment等连用或者用在look, listen开头的句子。现在进行时谓语动词的形式为:be(am, is, are) + 实义动词的 -ing 形式。 如:
They are watching TV now. 现在他们正在看电视。(正在进行的动作)
We are working on the farm these days. 这几天我们一直在农场劳动。(现阶段发生的动作)
They are having lunch now.现在他们正在吃午饭。
Look! they are playing basketball. 看!他们正在打篮球。
2)现在进行时有时还表示根据计划或安排将要做某事。
I am going to America tomorrow.明天我将去美国。
They are having a math test next Friday. 下个星期五他们将有数学考试。
3)表示感觉,愿望和状态的某些动词,如have, be, hear, see, like等词一般不用进行时。
5. 过去进行时的用法
过去进行时表示过去某一时刻,某一阶段正进行的动作,由“was (were)+现在分词”构成。例如:
In 1980 he was studying in a university.
He was reading a novel when I came in.
6. 现在完成时的用法
现在完成时由“have+过去分词”构成。其使用有两种情况:
1)现在完成时所表示的动作在说话之前已完成,而对现在有影响。句中没有明显时间状语。例如:
He has gone to Fuyang . (说话人认为他不在该地)
He has been to Fuyang. (说话人认为他在该地)
2)现在完成时所表示的动作开始于过去,持续到现在,也许还会持续下去。常用for和since表示一段时间的状语或so far, now, today, this week (month, year)等表示包括现在时间在内的状语。例如:
He has studied English for 5 years.
He has studied English since 1985.
Now I have finished the work.
注意:表示短暂时间动作的词,如:come, go, die, marry, buy等的完成时不能与for, since等表示一段时间的词连用。
3)现在完成时还可用在时间和条件状语从句中,表示将来某时完成的动作。例如:
I’ll go to your home when I have finished my homework.
If it has stopped snowing in the morning, we will go to the park.
7. 过去完成时的用法
1)过去完成时由“had+过去分词” 构成,过去完成时的动作表示过去某一时刻或某一动作之前完成的动作状态。句中常用by, before, until, when等词引导的时间状语。例如:
By the end of last year we had built five new houses.
I had learnt 5000 words before I entered the university.
2)过去完成时的动词还可表示过去某一时刻之前发生的动作或状态持续到过去某个时间。例如:
Before he slept, he had worked for 12 hours.
8.过去将来时的用法
过去将来时表示从过去的某时间看将要发生的动作或状态。过去将来时由“should或would+动词原形”构成。第一人称用should,其他人称用would。例如:
They were sure that they would succeed.

如果还有什么不清楚的地方,欢迎下次再问。

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