英语中的各种时态及用法

2023-04-13 09:04:15 文档大全网 [ 字体：小中大 ] [ 阅读： ]

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时态,英语,用法,各种
 英语中的各种时态及用法

 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。是表示行为、动作和状态在各种时间条件下的动词形式。因此，当我们说时态结构的时候，指的是相应时态下的动词形式。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持续到说话为止 2.基本结构:have/has +been+doing