一般现在时的句子

关于一般现在时的句子大家了解过多少呢?可能很多人都不是很清楚,下面就是小编分享的 一般现在时的句子介绍,一起来看一下吧。

一般现在时的句子

一般现在时的结构我们可以从两方面入手,一是从be 动词入手,肯定句:主语+be +其它,She is a student.I am a teacher.否定句:主语+be +not +其它,She isn’t a student.I am not a teacher.

一般疑问句:be+主语+其它,Is she a student ? Are you a teacher?, 回答时,肯定回答用Yes,主语+be,否定回答用No,主语+be的"否定的缩写。

be动词在一般现在时中学生很容易掌握,考试时它都是以各种时态出现在卷子中,结构都不是很难,大多数以数的形式或时态的形式出现在考题中。

二是从行为动词入手,而在从行为动词入手时,我们还要从两个方面来讲解一般现在时的结构。

一方面是当主语是第三人称单数时,肯定句:主语+动词第三人称单数(动词后加s或 es)+其它,She likes playing ping-pong.Her father watches TV at home everyday.否定句:主语+doesn’t+动词原形+其它,She doesn’t like play ping-pong.Her father doesn’t watch TV at home.一般疑问句:Does+主语+动词原形+其它, Does she like playing ping-pong? Does her father watch TV at home?回答时用 Yes,主语+does,否定回答用 No,主语+doesn’t。(www.fwsIr.com)

另一方面是当主语是非第三人称单数时,肯定句:主语+动词原形+其它,I work in a hospital.They watch TV everyday.否定句:主语+don’t+动词原形+其它,I don’t work in a hospital.They don’t watch TV everyday.一般疑问句:Do+主语+动词原形+其它,Do you work in a hospital? Do they watch TV everyday.

一般现在时被动语态的结构讲解

而一般现在时常用来表示经常性、习惯性、有规律地做某事或者是客观的事实,因此一般现在时被动语态主要用来表示某个被动的动作经常出现,主语是动作或者状态的承受者。

一般现在时被动语态的结构

在一般现在时的.句子中,被动语态的结构为“be+及物动词的过去分词”,此时的be动词有三种形式:am/is/are,要随着人称、时态和数的变化而变化。

1、一般现在时被动语态的肯定结构是:主语+be(is、am、are)+动词的过去分词+by+其他。比如:the book is written by my father.这本书是我爸爸写的。

2、一般现在时被动语态的否定结构是:主语+be(is、am、are)+not+动词的过去分词 + 其他。比如:The sentence is not written by your mother.这句话不是你妈妈写的。

3、一般现在时被动语态的一般疑问句:Be(is、am、are)+主语+动词的过去分词+ by +其他+?

4、一般现在时被动语态的特殊疑问句:特殊疑问词 + be(is、am、are)+ 动词的过去分词 + by +其他+?

小学英语四种时态总结

小学英语四种时态总结

一、一般现在时

标志词:always(总是) usually(通常) often(经常) sometimes(有时) never(从不) every(每一) 行为动词词型变化形式

一般现在时动词只有第三人称有词形变化,

其他人称(第一人称:I, we;第二人称:you;第三人称复数:they、my friends)动词均用原形 当主语是第三人称单数时,一般动词在一般现在时句子中的变化规律:

1、多数在动词后加s play—plays like—likes ,

2、以s,x,sh,ch,o结尾的动词加es wash–washes catch–catches do–does

3、以辅音字母加y结尾,把y改i再加es fly—flies study—studies

4、以元音字母加y结尾,直接加s buy – buys

5、不规则变化 have—has

一般现在时基本用法

功能

1.表示事物或人物的特征、状态。 如:The sky is blue.天空是蓝色的。

2.表示经常性或习惯性的动作。 如:I get up at six every day.我每天六点起床。

3.表示客观现实。 如:The earth goes around the sun.地球绕着太阳转。

The earth is round.

构成

1.be动词:主语+be(am,is,are)+其它。 如:I am a boy.我是一个男孩。

2.行为动词:主语+行为动词(+其它)。 如:We study English.我们学习英语。

句型

肯定句:A.be动词:主语+ be + 其它成分 He is a worker.

B.行为动词:主语+动词(注意人称变化) +其它成分 We like the little cat.

否定句:A.be动词:主语+ be + not +其它成分 They are not students.

B.行为动词:主语+助动词(do/does) + not +动词原形+其它成分

We don’t like the little cat.

一般疑问句:A.be动词: Am / Is /Are +主语 + 其它成分

Are you a teacher? Yes, I am./ No, I am not.

Are they students of your school.Yes they are / No they aren,t.

B.行为动词:助动词(Do/Does)+主语+动词原形 + 其它成分

Do you like it? Yes, I do./ No.I don’t .

Does he(she) like it? Yes, he( she )does./ No, he ( she )doesn’t.

特殊疑问句:疑问词+ 一般疑问句

A.be动词: How many students are there in your school?

B.行为动词:What do you usually do on Sunday?

一般现在时动词be和 have的变化形式

1.动词Be 叫连系动词, 用法:第一人称单数用am,第三人称单数用is,其它人称用are。

2.动词have的用法:第三人称单数用has以外,其它人称一律用have。如:

注意事项 1.在英国,人们常用have got代替have,特别在疑问句和否定句中。

2.当have如果不表示“有”时,构成疑问或否定句时,就借助于助动词do, does

如:I have a new pen .否:I have not a new pen.(表示有)

I have lunch at 12 o’clock.否:I don’t have lunch at 12 o’clock.(表示吃)

二.现在进行时:

标志词:now, look, listen,It’s+时间.

现在进行时: 表示正在进行的、发生的动作

基本结构:

am

be is + 动词 ing

are

肯定句:主语 + be动词(am, are, is)+ 现在分词(ing)+ 其他 I am watching TV.否定句:主语 + be动词+ not + 现在分词(ing)+ 其他 I am not watching TV.

一般疑问句:Be动词(Am, Are, Is) + 主语 + 现在分词(ing)+ 其他

Are you watching TV? Yes, I am./ No, I am not.

特殊疑问句:疑问词+ 一般疑问句

What are you doing?

动词的-ing形式的变化规律:

1.直接加-ing watch—watching clean—cleaning

2.以-y结尾的动词,直接加-ing study—studying play—playing

3.以不发音的-e结尾的动词,先去-e再加-ing make—making come—coming

4.末尾只有一个元音字母和一个辅音字母的重读闭音节动词,

双写末尾字母,再加-ing cut—cutting

三、一般将来时的用法:

表示将来某一时刻的动作或状态,或将来某一段时间内经常的动作或状态。

标志词:tomorrow(明天),the day after tomorrow(后天),next (下一个),

from now on(从现在开始),in the future(将来),soon(不久)等

结构:( 1 ) be(am,is ,are) +going to+动词原形 ( 2 ) will+动词原形

“be going to+动词原形(打算…)”=”will+动词原形(将,会…)”

I’m going to study tomorrow.I will study tomorrow.

(be going to着重于事先考虑好 will 未事先考虑好)----一般不用考虑

肯定句:主语 + be (am, are, is) going to + 动词原形.

主语 + will + 动词原形

否定句:主语 + be (am, are, is) not going to + 动词原形.

主语 + won’t + 动词原形.

一般疑问句:Be (Am, Are, Is) + 主语 + going to + 动词原形?

Will + 主语 + 动词原形?

特殊疑问句:疑问词+ 一般疑问句?

注意:will 常简略为 "ll,并与主语连写在一起,如:I"ll,he"ll,it"ll,we"ll,you"ll,they"ll。

四、一般过去时

标志词:yesterday(昨天), last (上一个), this morning(今天早上),ago(以前),

before (在?之前), in 2002(在2002年) 等

用法:表示过去某个时间发生的动作或存在的状态,常和表示过去的时间状语连用。

也表示过去经常或反复发生的动作

动词过去式变化规则:

1.一般在动词末尾加-ed 如:watch-watched, cook-cooked

2.结尾是e加d 如:taste-tasted

3.末尾只有一个元音字母和一个辅音字母的重读闭音节,应双写末尾的辅音字母,再加-ed,如:stop-stopped

4.以“辅音字母+y”结尾的,变y为i, 再加-ed,如:study-studied

5.不规则动词过去式:am,is-was, are-were, do-did, see-saw, say-said, give-gave…

句型:

1、Be动词在一般过去时中的变化:

⑴am 和is 变为was。 否定(was not=wasn’t)

⑵are 变为were。 否定(were not=weren’t)

否定句:在 was或were后加not

一般疑问句:把was或were调到句首。

2、行为动词在一般过去时中的变化

否定句:didn’t + 动词原形 如:Jim didn’t go home yesterday.

一般疑问句:在句首加Did,句子中的动词过去式变回原形 如:Did Jim go home yesterday? 特殊疑问句:(1)疑问词+did+主语+动词原形? 如: What did Jim do yesterday?

(2)疑问词当主语时:疑问词+动词过去式? 如:Who went to home yesterday?

附录:小学常用不规则动词过去式

一、不规则动词的过去式的构成

1.把动词原形中的`i改为a,变成过去式。如:

begin—began,drink—drank,give—gave,ring—rang,sing—sang,sit—sat,swim—swam

2.把重读开音节中的i改为o,变成过去式。如:

drive—drove,ride—rode,write—wrote

3.改动词原形中的aw /ow为ew,变成过去式。如:

draw—drew,grow—grew,know—knew,throw—threw(动词show除外,show—showed)

4.动词原形中的e改为o,变成过去式。如:

get—got,forget—forgot

5.动词原形中的ee改为e,变成过去式。如:

feed—fed,meet—met

6.动词原形中的eep改为ept,变成过去式。如:

keep—kept,sleep—slept,sweep—swept

7.动词原形中的eak改为oke,变成过去式。如:

break—broke,speak—spoke

8.动词原形中的ell改为old,变成过去式。如:

sell—sold,tell—told

9.动词原形中的an改为oo,变成过去式。如:

stand—stood,understand—understood

10.以ought和aught结尾,且读音是〔 :t〕的过去式。如:

bring—brought,buy— bought,think—thought,catch—caught,teach—taught

11.以ould结尾且读音为〔ud〕的情态动词过去式。如:

can—could,shall—should,will—would

12.把动词原形中的o改为a,变成过去式。如:

come—came,become—became

13.在动词原形后加d或t变成过去式,并且发生音变。如:

hear〔hi 〕—heard〔h :d〕, say〔sei〕—said〔sed〕,mean〔mi:n〕—meant〔ment〕

14.动词的过去式与动词原形一样。如:

let—let,must—must,put—put,read—read〔red〕

二.不规则动词表

原形 过去式 中文释义

am was 是(表示存在、状态等)

are were 是(表示存在、状态等)

become became 成为;变成

begin began 开始

break broke 打破

bring brought 拿来;取来;带来

build built

buy bought

can could

catch caught

come came

cut cut

do/does did

draw drew

drink drank

drive drove

eat ate

feel felt

find found

fly flew

forget forgot

get got

give gave

go went

have/has had

hear heard

hide hid

is was

keep kept

know knew

leave left

let let

lose lost

make made

may might

mean meant

meet met

put put

read read /e/

ride rode

ring rang

now是什么时态的代表

now that的用法及例句:

now that是个从属连词,可以归入because,as,since这一家族,意思和since(既然,由于)接近,但now?that必须引出一个新的情况,否则需要由别的词替代。

例句:

Now you're settled, why don't you take up some serious study?

既然你现在已经安顿下来了,为什么不开始正经地学点东西呢?

Now that she was retired she lived with her sister.

现在她已经退休了,和姐姐一起住。

Now that he’s got this job, there’ll be no holding him back .

既然他现在已经得到了这份工作, 就没有什么能制约他的了。

now that,since,as的"区别:

now that用来说明一种新情况,然后加以推论。

例句:Now that you are ready, we'll start at once.既然你已经准备好了,我们马上开始。

since指双方都明确的原因或众所周知的原因,侧重主句,从句表示显然的或已知的理由。

例句:Since you don't like it, I'll put it away.既然你不喜欢,我就把它放在一边。

as意思是“由于,鉴于”,指客观事实,常与since互换使用。

例句:As there was no answer, I wrote again.鉴于没回复,我又写了一封信。

英语十六种时态总结

总结就是把一个时段的学习、工作或其完成情况进行一次全面系统的总结,它有助于我们寻找工作和事物发展的规律,从而掌握并运用这些规律,我想我们需要写一份总结了吧。我们该怎么写总结呢?下面是小编帮大家整理的英语十六种时态总结,希望能够帮助到大家。

一、一般现在时

1.概念:表示经常发生的情况;有规律出现的情况;总是发生的;和事实真理。

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

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:主语 + am/is/are + no t + 其他; 此时态的谓语动词若为行为动词,则在其前加dont,如主语为第三人称单数,则用doesnt,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.这里很少下雪。

He is always ready to help others.他总是乐于帮助别人。

Action speaks louder than words.事实胜于雄辩。

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 1990,just now, at the age of 5,one day, long long ago, once upon a time, etc.

3.基本结构:主语 + 动词的过去式或be的过去式+名词

4.否定形式:主语 + was/were + not + 其他;在行为动词前加didnt,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.那些天她经常来帮助我们。

I didnt know you were so busy.我不知道你是这么忙。

三、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:主语 + am/is/are + going to + do + 其它;主语 + will/shall + do + 其它

4.否定形式:主语 + am/is/are not going to do ;主语 + will/shall not do + 其它

5.一般疑问句:be放于句首;will/shall提到句首。{首字母大写}

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

It is going to rain.天要下雨了。

四、一般过去将来时

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.1

3.基本结构:主语 + was/were + going to + do + 其它;主语 + would/should + do +其它

4.否定形式:主语 + was/were + not + going to + do; 主语 + 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.他说他第二天要去北京。

I asked who was going there.我问,谁要去那里。

五、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, days, etc.look, listen

3.基本结构:主语 + be + doing + 其它

4.否定形式:主语 + be + not +doing + 其它

5.一般疑问句:把be动词放于句首。

6.例句:How are you feeling today你今天感觉如何?

He is doing well in his lessons.在课上他表现得很好。

六、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 主语+was/were +doing +其它

4.否定形式:主语+was/were + not +doing+其它

5.一般疑问句:把was或were放于句首。(第一个字母大写)

6.例句:At that time she was working in a PLA unit.那段时间她在人民解放军部队工作。 When he came in, I was reading a newspaper.他进来时,我正在读报纸。

七、将来进行时

1.概念:表示将来某一时间正在进行的动作,或表示要在将来某一时间开始,并继续下去的动作。常用来表示询问、请求等。

2.时间状语:Soon, tomorrow, this evening,on Sunday, by this time,in two days, tomorrow evening

3.基本结构:主语 + shall/will + be + 现在分词 + 其它

4.否定形式:主语 + shall/will + not + be + 现在分词 + 其它

5.例句:This time next day they will be sitting in the cinema.下一天的这个时间,他们正坐在电影院。

He won’t be coming to the party.他不去参加聚会了。

八、过去将来进行时

1.概念:表示就过去某一时间而言,将来某一时刻或某一段时间正在进行的动作,主要用于宾语从句中,尤其多用于间接引语中。

2.基本结构:should/would + be + 现在分词

3.例句:They said they would be coming.他们说了他们将要来。

He said he could not come because he would be having a meeting.他说他不能来因为要开会。

九、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:yet, already ,just, never, ever, so far, by now, since + 时间点,for + 时间段,recently, lately, in the past few years, etc.

3.基本结构:主语 + have/has + p.p(过去分词) + 其它

4.否定形式:主语 + have/has + not + p.p(过去分词) + 其它

5.一般疑问句:have或has放句首。

6.例句:Ive written an article.我已经写了一篇论文。

The countryside has changed a lot in the past few years.在过去的几年,农村发生了巨大的变化。

十、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:主语 + had + p.p(过去分词) + 其它

4.否定形式:主语 + had + not +p.p(过去分词) + 其它

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.当我们到车站的时候,火车已经开走了。

By the end of last month, we had reviewed four books.到上个月底,我们已经复习了四本书。 基本结构:主语 + had + p.p(过去分词) + 其它

①肯定句:主语 + had + p.p(过去分词) + 其它

②否定句:主语 + had + not + p.p(过去分词) + 其它

③一般疑问句:Had +主语 + p.p(过去分词)+其它

④特殊疑问句:特殊疑问词 + 一般疑问句

十一、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:主语 + be going to/will/shall + have + p.p(过去分词) + 其它

4例句:By the time you get back, great changes will have taken place in this area.到你回来的时候,就将发生巨大的变化。

十二、过去将来完成时

1.概念:表示在过去某一时间对将来某一时刻以前所会发生的动作,常用在虚拟语气中,表示与过去的事实相反。

2.基本结构:should/would have done sth.

3.例句:I thought youd have left by this time.我想这会儿你已经走了。

He told them he would have finished it by 8 oclock.他告诉他们他会在8点以前干完。

十三、现在完成进行时

1.概念:表示从过去某一时间开始一直延续到现在的动作。这一动作可能刚刚开始,也可能仍在继续,并可能延续到将来。

2.基本结构:主语 + have/has + been + doing + 其它

3.时间状语:since + 时间点,for + 时间段等。

4.例子:I have been sitting here for an hour.我已经在这里坐了一个小时。

The children have been watching TV since six oclock.从6点起,孩子们一直看电视。

十四、过去完成进行时

1.概念:表示某个正在进行的动作或状态,持续到过去某个时刻,还未完成,一直持续到之后的当前才结束。

2.基本结构:主语 + had + been + doing + 其它

3.例子: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。100字日记 wWW.riJI100ZI.COM原创不易,请大佬高抬贵手!

Had they been expecting the news for some time他们期待这个消息有一段时间了吧?

4.特殊含义:①尚未完成:He had been writing the novel.他已经在写小说了。(他没写完) ②企图:He had been studying the meaning of this proverb.他曾经学习过这个谚语。(他曾努力学习过它)

③未得结果:We had been studying what our enemy had said.我们一直致力于敌人所说的。(但是我们没有理解)

④最近情况:He had been quarrelling with his wife.他和他的妻子吵了一场架。(最近) ⑤反复动作:He had been asking me the same question.他一直问我相同的问题。(屡次) ⑥情绪:What had he been doing?他做了什么?(不耐烦)

十五、将来完成进行时

1.概念:表示动作从某一时间开始一直延续到将来某一时间。是否继续下去,要视上下文而定。

2.基本结构:shall/will have been doing

3.例子:I shall have been working here in this factory for twenty years by the end of the year.到今年年底,我将在这个工厂工作20年了。

If we dont hurry up the store will have been closing before we get there.咱们如不快一点儿,等我们到了那儿,店门就会关了。

十六、过去将来完成进行时

1.概念:表示从过去某时看至未来某时以前会一直在进行的动作。

2.基本结构:should/would + have + been +现在分词

3.例子:He told me that by the end of the year he would have been living there for thirty years.他告诉我,到年底时,他就在那住了30年了。 主动语态和被动语态

被动语态的用法:

1.一般现在时的被动语态构成:is / am / are + 及物动词的过去分词

Our classroom is cleaned every day.我们教室每天都被打扫。

I am asked to study hard.我被告知要努力学习。

Knives are used for cutting things.刀是用来切东西的。

2.一般过去时的被动语态构成:was / were + 及物动词的过去分词

A new shop was built last year.去年修了一座新商店。

Dinosaur eggs were laid long long ago.恐龙蛋被放置了很久很久。

3.一般将来时的被动语态构成:will+ be + 及物动词的过去分词

A new hospital will be built in our city.我们城市将要修建一家新医院。

Many more trees will be planted next year.明年会种更多的树。

4.现在进行时的被动语态构成:am / is / are + being + 及物动词的过去分词

Uncle Wang is mending my bike now.→

My bike is being repaired by Tom now.王叔叔正在修理我的自行车。

They are planting trees over there.→

Trees are being planted over there by them.他们在那里种植的树木。

5.现在完成时的被动语态构成:has / have + been + 及物动词的过去分词

This book has been translated into many languages.这本书被翻译成多种文字。

Many man-made satellites have been sent up into space by many countries.在许多国家有许多人造卫星被送上了太空。

6.过去进行时的被动语态构成:was/were + being + 及物动词的过去分词

The boy was being operated on when his parents hurried to the hospital.当他的父母赶到医院的时候这个男孩正在做手术。

The new road was being made.这条新路正在修筑。

7.过去完成时的被动语态构成:had + been + 及物动词的过去分词

The classroom hadn’t been cleaned before the teacher came.在老师来之前,教室尚未打扫。The tickets had been sold out before I came to the cinema.在门票被销售一空前我赶到了电影院。

8.将来完成时的被动语态构成:shall/will + have done

They will have been married for 20 years by then.届时,他们结婚将满20周年。

The project will have been completed before May.该项目将在五月前完成。

9.含有情态动词的被动语态构成:情态动词 + be + 及物动词的过去分词

Young trees must be watered often.小树需要经常浇水。

Your mistakes should be corrected right now.你应该现在就改正你的错误。

The door may be locked inside.这扇门可以反锁。

Your homework can be handed in tomorrow.你的家庭作业可以明天交。

初中英语时态总结

一、一般现在时:

概念: 经常、反复发生的动作或行为及现在的某种状况。

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

基本结构 :① be 动词;②实义动词

否定形式:① am/is/are+not; ②谓语动词若为实义动词,A.主语不是三单式,则don't+动词原形 B.主语为三单式,则 doesn't+动词原形。

一般疑问句:①把 be 动词放于句首;②谓语动词若为实义动词,A.主语不是三单式,用助动词 Do+主语+动词原形

B.主语为三单式,则Does+主语+动词原形

Helen ________ a good student.(be)

Helen ________ fishing very much.(like)

Helen’s friends usually ________ to school by bike.(go)

二、一般过去时:

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。

时间状语: …ago, yesterday, the day before yesterday, last week(year, night, month…), in 1989, just now, at the age of 5, one day, at last, in the end, finally, at first

基本结构: ① was/were;②实义动词的过去式 (dodid, comecame, stopstopped)

否定形式:① was/were+not; ②在实义动词前加 didn't ,同时还原实义动词,即didn’t+动词原形

一般疑问句:① was 或 were 放于句首;②用助动词 do 的过去式did 提问,同时还原实义动词。

Helen ________ born in Wuxi.(be)

Helen ________ to school by bike yesterday.(go)

三、现在进行时 :

概念: 表示现阶段或说话时正在进行的动作及行为。

时间状语: now, at this time, these days, look, listen

基本结构: am/is/are+doing 否定形式: am/is/are+not+doing.

一般疑问句:把 be 动词放于句首。

Listen, Helen ________ a song in the room.(sing)

四、过去进行时:

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。

时间状语: at this time yesterday, at that time, from 6 to 8 last night, at 5 yesterday evening或以 when/while 引导的谓语动词是一般过去时的时间状语等。

基本结构: was/were+doing 否定形式: was/were + not + doing.

一般疑问句:把 was 或 were 放于句首。

Helen ________ TV at six last night.(watch)

I ________ TV when Mum came home last night.(watch)

五、现在完成时:

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。

时间状语 : since…,for…,in/during the past few/two years, ever, yet, already, recently, over the years(几年来,这么多年来),主(现完)+since +从(一过),just(注意和just now的区别),so far, till now

基本结构: have/has + done 否定形式: have/has + not +done.

一般疑问句: have 或 has+主语+ done

Helen ________ in Nanjing for twenty yearsThe readers are all very happy because they ________ a new book.(receive)

六、过去完成时:

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”。

时间状语: by the end of last year(term, month…) ,by+过去的时间,主(过完)+before+从(一过)

基本结构: had + done.否定形式: had + not + done.

一般疑问句: had 放于句首。

They ________ in Nanjing by the end of last year.(be)

The plane ___________ off before/when we got to the airport.(take)

七、一般将来时:

概念: 表示目前将要发生的动作或存在的状态及打算、计划或准备做某事。

时间状语: tomorrow, next day(week, month, year…),soon, in a few minutes, by+将来的时间,the day after tomorrow

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

否定形式: am/is/are/not going to + do或 will/shall not+ do.一般疑问句:am/is/are 放于句首或will/shall 提到句首。

Helen ________ to Shanghai next week.(fly)

八、过去将来时:

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。

时间状语: the next day(morning, year…)

基本结构: ① was/were/going to + do ;② would/should + do.

否定形式:① was/were/not + going to + do; ② would/should + not + do.

一般疑问句:① was 或 were 放于句首;② would/should 提到句首。

Helen said she ________ to Shanghai the next month.(fly)

延伸阅读:几种常见的时态转换形式:

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連用,瞬间动词却不能。但是,可用別的表达方式: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應的延续性动词及短语,与一段时间連用;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.

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.

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.

四、“be going to+动词原形”与“will(shall)+动词原形”结构的转换

“be going to+动词原形”、表示打算、计划要做的事;将来时“will(shall)+动词原形”结构在书面语中,当主语为第一人称时,常用助动词shall。在口语中,所有人称都可以用will。请看:

We are going to visit the Great Wall next Sunday.

We shall visit the Great Wall next Sunday

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