英语八大时态讲解及练习(共10页).docx
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1、精选优质文档-倾情为你奉上英语八大时态讲解及练习文章类型:资料文章阅读次数: 28362日期:12/28/2008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
2、,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dont,如主语为第三人称单数,则用doesnt,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(很少) 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:ag
3、o, 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didnt,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 thos
4、e days. I didnt 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
5、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
6、状语:recently, lately, sincefor,in the past few years, etc. 3.基本结构:have/has + done 4.否定形式:have/has + not +d one. 5.一般疑问句:have或has。 6.例句:Ive 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, m
7、onth),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,
8、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didnt,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(m
9、orning, 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练习题1. He _ back a month ago.
10、 (come) 2. My mother often tells me _ in bed. (not read) 3. I must take it back the day after tomorrow. You can only _ it for 24 hours. (保存) 4. Why have you kept me _ here for so long a time? (wait) 5. Please come to our meeting if you _ free tomorrow. (be) 6. She _ to the Great Wall several times.
11、(goes) 7. In his letter, he said that he _ us very much. (miss) 8. The film _ for nearly fifteen minutes when I got to the cinema. (be) 9. He said he became _ in physics. (interest) 10. This film is worth _. (see) 11. He went to school instead of _ home. (go) 12. In the old days it was difficult for
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