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1一般现在时

发布时间:2013-12-15 11:41:49  

1一般现在时

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,动词上要加(e)S)

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.

7.特殊用法:一些动词可用一般现在时来表达现在进行时:

verbs of the senses: hear,see,taste,smell

verbs of the thinking: believe,know,mean,realize,think,remember

verbs of the linking: dislike,fear,hate,like,love,want verbs of the possession: belong,have,own,possess

2一般过去时

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(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:含有Be动词主语+was/were+......

不含有be动词:主语+动词过去式+......

4.否定句:带be:主语+was/were not+动词原形+......

不带be:主语+didn't+动词原形+......

5.一般疑问句:含be动词was或were放于句首;

不含be动词用助动词do的过去式did 提问,同时还原行为动词原型。

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

I didn't know you were so busy. She sang a song of Lin Feng yesterday[1].

3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:Be动词、am/is/are+doing

4.否定形式:Be动词、am/is/are+not+doing.

5.一般疑问句:把be动词放于疑问词的后面。

6.例句:How are you feeling today?

He is doing well in his lessons.

7. 一般表示位移的词如leave fly arrive go come. 等用现在进行时表将来。

I am flying Beijing next week .表示我下周即将飞往北京。

He is leaving for Beijing tomorrow. 他明天即将去北京。

4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.

5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 +d one.

5.一般疑问句:have或has提前。

6.例句:I've written an article.

It has been raining these days.

6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…),by the time...,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

7一般将来时

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:am/is/are/+ not+going to; 在行为动词前加will/shall(will适用于所有人称,shall只用于第一人称)

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. I think he will be back soon

8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 .

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