英语的八种常用时态的构成,重点.

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英语的八种常用时态的构成,重点.
英语的八种常用时态的构成,重点.

英语的八种常用时态的构成,重点.
一般现在时:
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)
二、 一般过去时:
基本结构:be动词;行为动词 的过去式
三、 现在进行时
基本结构:am/is/are+doing
四、 过去进行时:
基本结构:was/were+doing
五、 现在完成时:
基本结构:have/has + done
六、 过去完成时:
基本结构:had + done.
七、 一般将来时:
基本结构:am/is/are/going to + do;will/shall + do.
八、 过去将来时:
基本结构:was/were/going to + do;would/should + do.

我这有16种。
一般现在时:do
一般过去时:did
一般将来时:will do
一般过去将来时: would do
现在进行时:is(am,are)doing
过去进行时:was (were)doing
将来进行时:will be doing
过去将来进行时:would be doing
现在完成时:have(has)don...

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我这有16种。
一般现在时:do
一般过去时:did
一般将来时:will do
一般过去将来时: would do
现在进行时:is(am,are)doing
过去进行时:was (were)doing
将来进行时:will be doing
过去将来进行时:would be doing
现在完成时:have(has)done
过去完成时:had done
将来完成时:will have done
过去将来完成时:would have done
现在完成进行时: have(has)been doing
过去完成进行时:had been doing
将来完成进行时:will have been doing
过去将来完成进行时:would have been doing
以上来源于另外一个同学之前的提问回答,希望能帮到你!

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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...

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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 .
如果是高中 完成时比较重要

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