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**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(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: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+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 news*****.
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:h**e/has + done
4.否定形式:h**e/has + not +d one.
5.一般疑问句:h**e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 h**e 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
练习题。1. heback a month ago. (come)
2. my mother often tells mein bed. (not read)
3. i must take it back the day after tomorrow. you can onlyit for 24 hours. (保存)
4. why h**e you kept mehere for so long a time? (wait)
5. please come to our meeting if youfree tomorrow. (be)
6. sheto the great wall several times. (goes)
7. in his letter, he said that heus very much. (miss)
8. the filmfor nearly fifteen minutes when i got to the cinema. (be)
9. he said he becamein physics. (interest)
10. this film is worthsee)
11. he went to school instead ofhome. (go)
12. in the old days it was difficult for the poor toa job. (找)
13. it's cold outside, so you'd betteryour coat. (穿上)
14. he is hungry. please give him somethingeat)
15. please don't waste timetv every evening. you should word hard at english. (watch)
16. we found the windowbreak)
17. you h**e dropped your pencil拾起来)
18. mother often tells metoo late. (not come home)
19. you had betterby bus, or you will be late. (go)
20. i willli ming the good news as soon as i see him. (告诉)
21. great changesin our country since 1978. (take place)
22. imy daughter since last month. (hear from)
23. itme two days to write the article. (花费)
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