英语中常见的几种时态比如说一般将来时,现在进行时,现在完成时……请写出常见的几种时态.结构.概念和例句一定要全面.我想做个统计_百度作业帮

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  • 英语时态分为16种:一般现在、一般过去、一般将来、过去将来时,以及这四者的进行时、完成时和完成进行时
    下面就英语中常见的八种基本时态进行阐述,其它的时态都是在这八种时态的基础上结合而成的.
    一、 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 .
    九.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:be going to/will/shall + have done
    十.现在完成进行时:
    1.概念:在过去某一时刻之前开始的动作或状态一直
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  • 2015-08-30