一般现在时 一般过去时 现在进行时 过去进行时 过去完成时 的句式结构

一般现在时 一般过去时 现在进行时 过去进行时 过去完成时 的句式结构

八种时态 主动语态 被动语态
一般现在时 (经常,反复,爱好,特点,条件,真理) do; does am;is;are done
一般过去时 (过去发生的事,不强调现在的结果) did; -ed was;were done
一般将来时 (将要发生的事) will do will be done
现在进行时 (现在正在发生的事) am;is;are doing am;is;are being done
过去进行时 (当时正在发生的事) was;were doing was;were being done
现在完成时 (过去发生的事,强调现在的结果) have;has done have;has been done
过去完成时 (过去完成的事；过去以前发生的事) had done had been done
过去将来时 (过去将要发生的事) would do would be done

八种时态：
• He is always ready to help others. 一般现在时
• She often came to help us in those days.一般过去式
• He is doing his homework now. 现在进行时
• At that time she was doing her homework.过去进行时
• I've written an article.现在完成时
• By the end of last month. We had reviewed four books 。过去完成时
• It is going to rain.一般将来时
• I asked who was going there. 过去将来时
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：.
I am a student.——I am not a student.——Is she a student?
He knows the answer of my question.
He doesn’t know the answer of my question.
Does he know the answer of my question?

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；I was a student last year.
行为动词 的过去式I finished my homework yesterday
4.否定形式：was/were+not; I was not a student last year.
在行为动词前加didn't，同时还原行为动词。I didn’t finish my homework yesterday

5.一般疑问句：was或were放于句首；Were you a student last year？
用助动词do的过去式did 提问，同时还原行为动词。Didn’t they finish my homework yesterday?

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, days, etc. look . listen
3.基本结构：be+doing He is doing his homework now.
4.否定形式：be+not+doing. He is not doing his homework now.
5.一般疑问句：把be动词放于句首。Is he doing his homework now.

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 s+was/were+doing When he knocked at the door, his mother was cooking.
4.否定形式：s+was/were + not + doing. When he knocked at the door, his mother was not cooking.
5.一般疑问句：把was或were放于句首。(第一个字母大写）Was his mother cooking, when he knocked at the door?

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：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：have/has + done
The countryside has changed a lot in the past few years. 这个农村在过去的几年里变化了很多
4.否定形式：have/has + not +done. The countryside has not changed a lot in the past few years.
5.一般疑问句：have或has。Has the countryside 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.
As soon as we got to the station, the train had left.
By the end of last month. We had reviewed four books.
4.否定形式：had + not + done. By the end of last month. We had not reviewed four books.
5.一般疑问句：had放于句首。By the end of last month. Had we reviewed four books.
基本结构：主语+had+过去分词(done)
①肯定句：主语+had+过去分词+其他
②否定句：主语+had+not+过去分词+其他
③一般疑问句：Had+主语+过去分词+其他
④特殊疑问句：特殊疑问词+一般疑问句

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：主语+am/is/are+going to + do；will/shall + do.
It is going to rain.
They will finish work tomorrow.
4.否定形式：am/is/are not going to do ；will/shall not do。
It is not going to rain.
They will not finish work tomorrow.
5.一般疑问句：be放于句首；will/shall提到句首。
Is it going to rain?
Will they finish work tomorrow?
Yes, they will.
No, they won’t.

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.
They told me that they would go to work in Guangdong.
4.否定形式：was/were/not + going to + do;would/should + not + do.
They told me that they would not go to work in Guangdong.
5.一般疑问句：was或were放于句首；would/should 提到句首。
He said he was going there.
Was he going there?

现在进行时，is,am,are+doing 一般将来时，will,shall,begoingto,beaboutto+ do（动词原形） 过去进行时，was,were+doing 过去完成时，had+done（过去分词） 一般过去时,did（过去式）