英语八大时态用法详解21869.pdf

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1、 英语八大时态用法详解 Revised final draft November 26,2020 英语八大时态用法详解 一一般现在时 1.概念:表示经常、反复发生的动作或行为及现在的某种状况。2.基本结构:(1)主语+be 动词(is/am/are)+表语(2)主语+行为动词的原形或单数第三人称形式+其他(3)There be 句型:There is/are+n.+介词短语 is/are 根据 n.的单复数决定。否定形式:(1)am/is/are+not;(2)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,同时行为动词还原为原形。(3)There is/a

2、re not+n.+介词短语 一般疑问句:(1)把 is/am/are 动词放于句首;(2)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;(3)There is/are+n.+介词短语:is/are 动词放于句首。3.标志性时间状语:(1)on+星期 s=every 星期(2)once/twice/three times a week(month/year)(3)频度副词 always/usually/often/sometimes=at times=(every)once in a while/seldom/never(不绝对)(4)in the mornin

3、gs/afternoons/evenings=every morning/afternoon/evening 4.用法:(1)表示经常性或习惯性的动作,常与表示频度的时间状语连用。如:I leave home for school at 7 every morning.(2)表示客观真理,客观存在或科学事实。如:The earth moves around the sun.(3)表示格言或警句。如:Pride goes before a fall.骄者必败。注意:此用法如果出现在宾语从句中,即使主句是过去时,从句谓语也要用一般现在时。如:Columbus proved that the ear

4、th is round.(4)表示现在时刻的状态、能力、性格、个性等。如:I dont want so much.Ann writes good English but does not speak well.(5)一般现在时表示将来含义 come,go,arrive,leave,start,begin,return 的一般现在时可以表示将来,主要用来表示在时间上已确定或安排好的事情。如:The train leaves at six tomorrow morning.When does the bus star?It stars in ten minutes.在时间或条件状语句中。如:Whe

5、n Bill comes(不是 will come),ask him to wait for me.Ill write to you as soon as I arrive there.二一般过去时 1.概念:表示过去某个时间里发生的动作或状态;过去习惯性、经常性的动作或行为。2.基本结构:(1)主语+was/were+表语(2)主语+行为动词的过去式+其他(3)There be 句型:There was/were+n.+介词短语 (4)主语+could+动词原形(5)主语+used to do sth 否定形式:(1)was/were+not;(2)在行为动词前加 didnt,同时还原行为动

6、词。(3)There was/were not+n.+介词短语 (4)主语+could not+动词原形(5)主语+used not to do sth 或主语+didnt use to do sth 一般疑问句:(1)was 或 were 放于句首;(2)用助动词 do 的过去式 did 提问,同时还原行为动词;(3)There was/were+n.+介词短语:was 或 were 放于句首;(4)could 放于句首;(5)Used 主语+to do sth 或 Did+主语+use to do sth 3.时间状语:(1)last 短语(2)时间段+ago(3)yesterday 及

7、yesterday 短语(4)at the age of=when sb.was+年龄(5)in ones teens/twenties (6)固定短语:just now=a moment ago,one day,from then on,at that time,the day before yesterday,before,long before,in the past,in the/early old days,in the ancient days,in the ancient+国家,long long ago=once upon a time(故事的开头)4.用法:(1)在确定的过去

8、时间里所发生的动作或存在的状态。如:Where did you go just now?(2)表示在过去一段时间内,经常性或习惯性的动作。如:When I was a child,I often played football in the street.注意:used to do sth“过去常常做某事”,表示过去习惯性的动作或状态,但如今已不存在。如:Mother used not to be so forgetful.妈妈过去没这么健忘。(3)用于时间状语从句 a.由 when 引导的时间状语从句,从句用一般过去时态,主句用过去进行时态。如:His mother was cooking

9、when he came back.b.由 since/before 引导的时间状语从句,从句用一般过去时态,主句用现在完成时态。如:I have made many friends since I came to China.It has been/is 15 years since I was a teacher.It has been/is 15 years before he knew it.不知不觉15 年过去了。c.由 when/by the time/before引导的时间状语从句,从句用一般过去时态,主句用过去完成时态。如:The plane had taken off whe

10、n/by the time we arrived at the airport.The Enlish class had begun before I got to school.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.基本结构:主语+am/is/are+doing 否定形式:主语+am/is/are+not+doing 一般疑问句:把 be 动词放于句首。3.时间状语:(1)now(2)at this time=at this/the moment(3)Look!/Look at!(4)Listen!/Listen to!(5)these days/months/

11、years(6)It is+时间点/日期/星期 4.用法:(1)表示现在(指说话人说话时)正在发生的事情。如:We are waiting for you.(2)表示长期的或重复性的动作,说话时动作未必正在进行。如:Mr Green is writing another novel.(说话时并不一定在写小说)(3)表示动作的渐变,这样的动词有:get,grow,become,turn,run,go,begin等。如:The leaves are turning red.Its getting warmer and warmer.(4)与 always,constantly,forever 等词

12、连用,表示反复发生的动作或持续存在的状态,往往带有说话人的主观色彩。如:You are always changing your mind.你老是改变主意。(5)用现在进行时表示将来 下列动词 come,go,arrive,leave,start,begin,return 等瞬间动词的现在进行时可以表示将来。如:Im leaving tomorrow.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。如:My brother fell while he was riding his bicycle and hurt himself.2.基本结构:主语+was/wer

13、e+doing 否定形式:主语+was/were+not+doing 一般疑问句:把 was 或 were 放于句首。3.时间状语:(1)at that time(2)at this time+过去的时间(3)It was+时间点/日期/星期(过去)(4)from A 时间 to B 时间+过去的时间 4.用法:(1)过去进行时表示过去某段时间内持续进行的动作或者事情。如:We were watching TV from seven to nine last night.(2)过去进行时可以表示在过去某个时间点发生的事情。时间点可以用介词短语、副词或从句来表示。如:What was she d

14、oing at nine o clock yesterday(介词短语表示时间点)She was doing her homework then.(副词表示时间点)When I saw him he was decorating his room.(when 从句表示时间点)(3)在复合句中,如果主要动作和背景动作都是延续的或同时发生的,那么主从句的动词都可用过去进行时。如:When he was waiting for the bus,he was reading a newspaper.(两个动作都是延续的)He was cleaning his car while I was cooki

15、ng.(两个动作同时进行或主句的动作发生在从句的动作过程中)五一般将来时 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.基本结构:(1)主语+am/is/are/going to do sth(2)主语+will do sth(3)主语+am/is/are t to do sth(4)主语+am/is/are about to do sth 否定形式:(1)主语+am/is/are+not+going to do sth(2)主语+will not(wont)do sth(3)主语+am/is/are not t to do sth(4)主语+am/is/are not

16、 about to do sth 一般疑问句:(1)am/is/are放于句首;(2)will 置于句首。(3)am/is/are 放于句首;(4)am/is/are 放于句首;2.时间状语:(1)tomorrow 及其短语、the day after tomorrow(2)next 短语(3)固定短语:one day,someday=some day,in the future,from now/today on,before long,sometime,in+时间段(多长时间之后),in following+时间段 4.will 主要用于以下三个方面:(1)表示主观意愿的将来。如:They

17、 will go to visit the factory tomorrow.(2)表示不以人的意志为转移的客观的将来。如:Today is Saturday.Tomorrow will be Sunday.He will be thirty years old this time next year.(3)表示临时决定,通常用于对话中。Mary has been ill for a week.Oh,I didnt know.I will go and see her.5.be going to 主要用于以下两个方面:(1)表示事先经过考虑、打算、计划要做某事。如:Dad and I are

18、going to watch an opera this afternoon.今天下午我和爸爸打算去看歌剧。(2)表示根据目前某种迹象判断,某事非常有可能发生,表示推测。如:Look!There come the dark clouds.It is going to rain.6.用于状语从句 由 when/as soon as/begore/after 等引导的时间状语从句或者 if,unless,as/so long as 引导的条件状语从句,从句用一般现在时态或从句为祈使句,再或者从句中含有情态动词,主句用一般将来时态。(可理解为主将从现、主祈从现、主情从现)如:Dont trouble

19、 troubles until trouble troubles you.He will help you out whenever you have problems.I wont go to the partyunlessIm invited.六过去将来时 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.基本结构:(1)主语+was/were/going to do sth(2)主语+would do sth 否定形式:(1)主语+was/were/not+going to do sth(2)主语+would+not+do sth 一般疑问句:(1)was 或 were

20、放于句首;(2)would 提到句首。3.时间状语:the next day(morning,year),the following month(week)等。4.用法:(1)“would+动词原形”常表示主观意愿的将来。如:He said he would come to see me.他说他要来看我。(2)“was/were+going to+动词原形”常表示按计划或安排即将发生的事。如:She said she was going to start off at once.I was told that he was going to return home.此结构还可表示根据某种迹象来

21、看,很可能或即将发生的事情。如:It seemed as if it was going to rain.看来好像要下雨。(3)come,go,leave,arrive,start 等瞬时动词可用过去进行时表示过去将来的含义。如:He said the train was leaving at six the next morning.She told me she was coming to see me.七现在完成时 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并且有可能继续下去的动作或状态。3.基本结构:主语+have/has+done+其他 否定

22、形式:主语+have/has+not+done+其他 一般疑问句:Have/Has+主语+done+其他 4.时间状语:(1)already(用于肯定句)yet(否定句和一般疑问句)(2)just,ever,before,never(3)so far=up to now=until/till now=by now(4)over/in the past/last+时间段(5)by+时间(6)by the end of+现在的时间(7)since+过去时间(如具体的年、月、日、钟点等,如:1980,last month,half past six)(8)since+一段时间+ago(9)recen

23、tly=lately(10)in recent+时间段 5.特殊用法:(1)由 since/before 引导的时间状语从句,从句用一般过去时态,主句用现在完成时态。如:I have made many friends since I came to China.It has been/is 15 years since I was a teacher.It has been/is 15 years before he knew it.不知不觉15 年过去了。(2)用于由 that 引导的定语从句中,先行词前有形容词的最高级修饰。如:Youre the best teacher that ha

24、s ever taught me.6.比较 since 和 for since 用来说明动作起始时间,for 用来说明动作延续时间的长度。如:We havent had any guests since we moved in here.I have lived here for more than twenty years.注意:并非有 for 作为时间状语的句子都用现在完成时。I worked here for more than twenty years.(我现在已不在这里工作。)7.延续性动词与非延续性动词之间的转换:leave-be away from borrow-keep buy

25、-have begin/start-be on die-be dead finish-be over open sth-keep sth open join-be in+组织机构 或 be a member of+组织机构 fall ill/asleep-be ill/asleep get up-be up catch/get a cold-have a cold come here-be here go there-be there become/get+adj.-be+adj come back-be back get to/arrive/reach-be(in)get to know-k

26、now go(get)out-be out put on-wear/be in/be dressed in 八过去完成时 1.概念:以过去某个时间为参照,在此以前发生的动作或行为,或在过去某动作之前已完成的动作,即“过去的过去”。2.基本结构:主语+had done+其他 否定形式:主语+hadnt done+其他 一般疑问句:had 置于句首。3.时间状语:before,by the end of last year(term,month)等。4.用法:(1)用于 told,said,knew,heard,thought等动词后的宾语从句中。如:She said(that)she had n

27、ever been to Paris.(2)由 when/by the time/before 引导的时间状语从句,从句用一般过去时态,主句用过去完成时态。如:The plane had taken off when/by the time we arrived at the airport.The Enlish class had begun before I got to school.When the police arrived,the thieves had run away.(3)表示意向的动词,如 hope,wish,expect,think,intend,mean,suppose 等用过去完成时表示“原本,未能”。如:We had hoped that you would come,but you didnt.注意:had hardly when.刚就。如:I had hardly opened the door when he hit me.我刚打开门,他就打了我。had no soonerthan 刚就。如:He had no sooner bought the car than he sold it.他刚买了这辆车,转眼又卖了。

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