英語中常見的八種基本時(shí)態(tài)

1、英語中常見的八種基本時(shí)態(tài)一、一般現(xiàn)在時(shí)：1 .概念：經(jīng)常、反復(fù)發(fā)生的 動(dòng)作或行為及現(xiàn)在的某種狀況。2 .時(shí)間狀語：always, usually, often, sometimes, every week (day, year, month), once a week,on Sundays,3 .基本結(jié)構(gòu)：動(dòng)詞 原形(如主語為第三人稱單數(shù)，動(dòng)詞上要加(e) S)4 .否定形式：am/is/are+not; 此時(shí)態(tài)的謂語動(dòng)詞若為行為動(dòng)詞，則在其前加don't,如主語為第三人稱 單數(shù)，則用doesn't ,同時(shí)還原行為動(dòng)詞。5 .一般疑問句：把be動(dòng)詞放于句首；用助動(dòng)詞do提問，如

2、主語為第三人稱單數(shù)，則用does ,同時(shí),還原行為動(dòng)詞。6 .例句：.It seldom snows here.He is always ready to help others.Action speaks louder than words.一般過去時(shí):1 .概念：過去某個(gè)時(shí)間里發(fā)生的動(dòng)作或狀態(tài)；過去習(xí)慣性、經(jīng)常性的動(dòng)作、行為。)in 1989,2 .時(shí)間狀語：ago, yesterday, the day before yesterday, last week(year, night, month just now, at the age of 5, one day, long long

3、ago, once upon a time, etc.3 .基本結(jié)構(gòu)：be動(dòng)詞；行為動(dòng)詞4 .否定形式：was/were+not;在行為動(dòng)詞前加didn't ,同時(shí)還原行為動(dòng)詞。5 .一般疑問句：was或were放于句首；用助動(dòng)詞do的過去式did提問，同時(shí)還原行為動(dòng)詞。6 .例句：She often came to help us in those days.I didn't know you were so busy.三、現(xiàn)在進(jìn)行時(shí):1 .概念：表示現(xiàn)階段或說話時(shí)正在進(jìn)行的動(dòng)作及行為2 .時(shí)間狀語：now, at this time, these days, etc.3 .

4、基本結(jié)構(gòu)：am/is/are+doing4 .否定形式：am/is/are+not+doing.5 .一般疑問句：把be動(dòng)詞放于句首。6 .例句：How are you feeling today?He is doing well in his lessons.四、過去進(jìn)行時(shí)：1 .概念：表示過去某段時(shí)間或某一時(shí)刻正在發(fā)生或進(jìn)行的行為或動(dòng)作。2 .時(shí)間狀語：at this time yesterday, at that time 或以when引導(dǎo)的謂語動(dòng)詞是一般過去時(shí)的時(shí)間 狀語等。3 .基本結(jié)構(gòu)：was/were+doing4 .否定形式： was/were + not + doing.5

5、.一般疑問句：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、現(xiàn)在完成時(shí)：1 .概念：過去發(fā)生或已經(jīng)完成的動(dòng)作對現(xiàn)在造成的影響或結(jié)果，或從過去已經(jīng)開始，持續(xù)到現(xiàn)在的動(dòng) 作或狀態(tài)。2 .時(shí)間狀語：recently, lately, since for -,in the past few years, etc.3 .基本結(jié)構(gòu)：have/has + done4 .否定形式：have/has + not +d one.5 .一般疑問句

6、：have或has。6 .例句：I've written an article.It has been raining these days.六、過去完成時(shí)：1 .概念：以過去某個(gè)時(shí)間為標(biāo)準(zhǔn)，在此 以前發(fā)生的動(dòng)作或行為，或在過去某動(dòng)作之前完成的行為，即 “過去的過去”。2 .時(shí)間狀語： before, by the end of last year(term, month),etc.3 .基本結(jié)構(gòu)：had + done.4 .否定形式：had + not + done.5 .一般疑問句：had放于句首。6 .例句： As soon as we got to the station, t

7、he train had left.By the end of last month. We had reviewed four books七、一般將來時(shí)：1.概念：表示將要發(fā)生的動(dòng)作或存在的狀態(tài)及打算、計(jì)劃或準(zhǔn)備做某事2.時(shí)間狀語：tomorrow, next day(week, month, year),soon, in a few minutes, by,the dayafter tomorrow, etc.3 .基本結(jié)構(gòu)：am/is/are/going to + do ； will/shall + do.4 .否定形式：was/were + not;在行為動(dòng)詞前加didn't

8、,同時(shí)還原行為動(dòng)詞5 .一般疑問句：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、過去將來時(shí):1 .概念：立足于過去某一時(shí)刻，從過去看將來，常用于 賓語從句中),etc.2 .時(shí)間狀語：the next day(morning, year),the following month(week3 .基本結(jié)構(gòu)： was/were/going to + do ； would/should + do.4 .否定形式： was/were/no

9、t + going to + do;would/should + not + do.5 .一般疑問句：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 .幾種常見時(shí)態(tài)的相互轉(zhuǎn)換英語中的幾種時(shí)態(tài)在一定情況下可以互相轉(zhuǎn)換，以下是幾種常見的轉(zhuǎn)換形式：一、一般過去時(shí)與現(xiàn)在完成時(shí)的轉(zhuǎn)換在現(xiàn)在完成時(shí)中，延續(xù)性動(dòng)詞 能與表示一段時(shí)間的 狀語連用，瞬間動(dòng)詞卻不能。但是，可用別的表達(dá) 方式：瞬間動(dòng)詞用于“一段時(shí)間 + ago”的一般過去時(shí)的句型中

10、；瞬間動(dòng)詞可改成與之相對應(yīng) 的延續(xù)性動(dòng)詞及 短語，與一段時(shí)間連用；瞬間動(dòng)詞用于“ It is + 一段時(shí)間+ since + 一般過去時(shí)” 的句型中，表示“自從以來有時(shí)間”的意思， 主句一般用it is來代替It has been;瞬間動(dòng)詞 用于"Some time has passed since +一般過去時(shí)”的句型中。請看：A. He joined the League two years ago.B. He has been in the League for two years.C. It is two years since he joined the League.D.

11、 Two years has passed since he joined the League.二、一般現(xiàn)在時(shí)與現(xiàn)在進(jìn)行時(shí)的轉(zhuǎn)換在一般現(xiàn)在時(shí)中，at加上名詞表示“處于某種狀態(tài)"，如 at work （在工作），at school （上學(xué)、上 課）等。此短語可與進(jìn)行時(shí)態(tài)轉(zhuǎn)換。請看：Peter is at work, but Mike is at play.Peter is working, but Mike is playing.三、現(xiàn)在進(jìn)行時(shí)與一般將來時(shí)的轉(zhuǎn)換在現(xiàn)在進(jìn)彳f時(shí)態(tài)中g(shù)o, come, leave, start, arrive等動(dòng)詞常與表示將來的時(shí)間狀語連用表示將要發(fā)生的動(dòng)作。如：I am coming, Mum! 意為"我就來，媽媽！"請看：The train is leaving soon.The train will leave soon.四、"be going to+ 動(dòng)詞原形"與"will(shall)+動(dòng)詞原形”結(jié)構(gòu)的轉(zhuǎn)換"be going to+動(dòng)詞原形”、表示