一般过去时与一般现在时、现在进行时的不同
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/22 02:56:25
一般过去时与一般现在时、现在进行时的不同
一般过去时与一般现在时、现在进行时的不同
一般过去时与一般现在时、现在进行时的不同
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?
回答完毕 望采纳
最后祝楼主英语学习顺利