英语所有形式

smileMK42问题未开放回答 2019-01-01 192 现在进行时 英语
英语所有形式
最佳答案
英语八大时态英语的时态(tense)是一种动词形式,不同的时态用以表示不同的时间与方式。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.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(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+doing4.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+doing4.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 + done4.否定形式:have/has + not +d one.5.一般疑问句:have或has。6.例句:I've written an article.It has been raining these days.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 .http://zhidao.baidu.com/question/51306394.html
littlewater06 2019-01-01 15:37:19 0条评论
其他回答
现在进行时表示正在进行的动作现在进行时的结构是:be动词(is,am,are)加动词的ing形式,公式:be+doingI am writing a letterYou are runningHe is swimmingThey are sitting一般过去时I went a park yesterday He flew kites last weekendsing-sang eat-ate see-saw have-had……望采纳还有一般将来时、一般现在时等
天天55射手 2019-01-01 15:37:19 0条评论
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