高中英语动词的时态和语态用法详解-文档完结(10页).doc
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1、-高中英语动词的时态和语态用法详解-文档完结-第 10 页动词的时态和语态用法详解在英语中,不同时间里发生的动作或存在的状态需要用动词的不同形式表示出来,动词的这种不同形式就构成了动词的时态。英语中的时态按动作发生时间分为现在时态、过去时态、将来时态一、时态的分类和基本构成形式现在时一般现在时do/ does现在完成时have/has done现在进行时am/ is/ are doing现在完成进行时have/has been doing过去时一般过去时did过去完成时had done过去进行时was/were doing过去完成进行时had been doing将来时一般将来时will/ s
2、hall do将来完成时will/shall have done将来进行时shall/ will be doing将来完成进行时shall/ will have been doing过去将来一般过去将来时should/ would do二、常见时态的基本用法现在体1. 一般现在时:一般现在时是描述现在或经常性的动作性质或状态的时态。常和表示频率、时间的副词(短语)always, every time, now and then, occasionally, often, seldom, sometimes, usually等连用。1)表示经常性或习惯性的动作。We have three mea
3、ls a day.2)表示客观事实、真理和自然现象。Knowledge is power.3)表示现在的情况或状态。I live in Beijing.4)表示已经“列入日程”的将来的事件,尤其指计划中的和安排好的将来的动作,这些动词往往表示“出发,到达”等含义的词,如,arrive, begin, go, leave, start, stay等。The train arrives at 10:30. Theres plenty of time. 。考点一:表示永恒的真理,即使出现在过去的语境中,仍用一般现在时。如:I learned that the earth goes around th
4、e sun when I was in primary school.考点二:在时间和条件状语从句中,代替一般将来时;常用的引导词有:时间:when, until, after, before, as soon as, once, the moment/the minute, the day; 条件:if, unless, provided.If he accepts the job, he will get more money soon.考点三:在make sure (certain), see to it, mind, care, matter 宾语从句, 从句用一般现在时代替一般将来时
5、。So long as he works hard, I dont mind when he finishes the experiment.考点四:在the more the more (越越) 句型中, 若主句是一般将来时, 从句通常用一般现在时。The harder you study, the better results you will get.2. 一般过去时:一般过去时表示过去发生的动作、存在的状态,或反复发生的动作,句中一般都有表示过去具体时间的时间状语。1)在确定的过去时间里所发生的动作或状态。此时与表示过去的时间状语连用,如yesterday, last week, an
6、 hour ago, the other day, in1998等。Where did you go yesterday??2)表示在过去一段时间内,经常性或习惯性的动作。When I was a child, I often played football in the street.3)用在条件句中表示与现在或将来事实不符的虚拟语气。If he were here now, we could turn to him for help.4)句中有延续性时间状语,但表示与现在没有关联的过去某段时间做了某事,此时用一般过去时。This is the primary school where ou
7、r manager Mr. Smith studied for six years.3. 一般将来时:一般将来时用来表示将要发生的事。1)shall用于第一人称,常被will代替。will在陈述句中用于各人称,在征求意见时常用于第二人称。 will (shall) + 动词原形There is still much to discuss. We shall return to this item at our next meeting.2)be going to + 动词原形,表示将来。(1)主语的意图,即将做某事或打算做某事。What are you going to do this Sun
8、day morning?(2)计划、安排要发生的事。Im going to the airport to pick up my aunt from America this afternoon.(3)有迹象要发生的事。Look at the dark clouds; there is going to be a storm.注意:be going to与will的区别be going to既可指主观打算做某事,也可指客观迹象表明将要发生某事;will往往指没有经过计划而临时出现的意图,常伴有说话者的主观意识或表示将来必然发生的事。Im going to quit my present job.
9、 (现在的打算,事先经过思考,指向将来)Ill answer the door. (未经事先考虑的意图)The little boy is going to fall over. (根据客观迹象判断)I hope it will be fine tomorrow. (主观意愿)3)“be + 不定式”表将来,表示按计划安排的事或按职责、义务或要求必须去做的事等。We are to discuss the report next Saturday.The meeting is to take place at 8:00 tomorrow morning.注意:be to 和be going be
10、的用法比较be to表示客观安排或受人指示而做某事。I am to play football tomorrow afternoon. (客观安排)be going to则表示主观的打算或计划。I am going to play football tomorrow afternoon. (主观安排)4)“be about to do”意为“马上做某事”,表示即将发生某事,该事将发生在很近的将来,不能与tomorrow, next week等表示明确将来的时间状语连用。He is about to leave for Beijing.5)be on the point of doing 强调在
11、很近的将来要发生的事。They are on the point of leaving.考点一:一般将来时总是用在一些时间状语从句或条件状语从句的主句中:We will begin our class as soon as the teacher comes.(主句用一般将来时,从句中一定要用一般现在时替代一般将来时。)考点二:某些表示短暂性动作的动词如arrive, come, go, leave, start等,用现在进行时形式表示将来。I am leaving for Beijing tomorrow.考点三:“祈使句 + and/or + 句子”,这种结构中and后面的句子谓语用一般将
12、来时。Use your head and you will find a way.4. 过去将来时:过去将来时表示从过去某一时间看将要发生的动作或存在的状态。注意:这种时态常用于主句是一般过去时的宾语从句中,表示从句的动作发生在主句之后。过去将来时同一般将来时类似,除了用would do 表示外,也可以用be going to do, be to do, be about to do及过去进行时等方式表示。He was sixty-eight and in two years, he would be seventy.You were going to give me your address
13、 but you didnt.I was about to turn on the power of the computer when the electricity was cut off.完成体:现在完成时、过去完成时、将来完成时和过去将来完成时1. 现在完成时:常用的时间状语有:so far, recently, lately, before, ever, by now, in thelast/ past few years, over a long time, up to now,yet, already, just, since, for+ 一段时间等。1)表示说话之前已经完成的动
14、作,常与already, yet, just, by this time,so far, by now等时间状语连用。此时句子中的谓语动词一般为非延续性动词且句子一般不与表示“一段时间”的时间状语连用。Have you finished your task yet?注意:have gone to与have been to的区别have gone to 表示“到某地去了”,人可能还在路上,也可能已经到达,但一定不在说话者这里。have been to 表示“去过某地”,是回来之后再谈论去过某地的情况。2)表示过去发生的某一动作对现在造成的影响或结果。He has lost his wallet
15、and cant find it.3)表示从过去某一时间开始一直持续到现在的动作或状态。They have been good friends since they met at a meeting.4)表示动作反复发生,句中常用once/ twice/ three. times 等。You neednt describe her. I have met her many times.5)在时间或条件状语从句中表示在将来某个时间之前要完成某个动作。Dont get off until the bus has stopped.注意:常用现在完成时的句型有:1)It is/has been + 一
16、段时间 + since 从句;2)This/ That/ It is the first/ second. Time + that从句(从句用现在完成时);3)It/ This is the best/ worst/ most interesting + 名词 + that从句(从句用现在完成时)关于现在完成时的时间状语问题:A.现在完成时的句子里,不可以带有表示具体过去时间的状语,比较: We have bought a new typewriter .We bought a new typewriter yesterday.B. 在以when提问的特殊疑问中不能用现在完成时。另外,ago不
17、能用于现在完成时的句子,但是可以用before来表示以前的意义。C.非延续性动词用于现在完成时态的时候,通常不与表示时间段的时间状语连用,在这种情况下,应该用It has been since的句式来表达。如: He has been in the army for three years.= He has been a soldier for three years.= Its three years since he joined the army. He has joined the army for three years. .D非延续性动词的否定式可以和表示一段时间的状语连用,表示这
18、种动作的否定状态的延续。I havent heard from you for a month.2. 过去完成时:由“had + 过去分词”构成,表示在过去某一时间或动作以前已经完成的动作,即“过去的过去”。在使用过去完成时时,一定要有过去的时间或动作作为参照。By nine oclock last night, we had got 200 pictures from the spaceship.考点一:用于hardly/scarcely.when; no sooner .than 句型中,主句用过去完成时,从句用一般过去时。,并且no sooner 与hardly等位于句首时,此部分须用部
19、分倒装。I had no sooner got into the room than it began to snow.No sooner had I arrived home than the telephone rang. (注意主谓倒装)考点二:表示“第几次做某事”,主句用过去时,从句用过去完成时。That was the second time that she had seen her grandfather.考点三:动词hope, expect, think, intend, mean, want, suppose, plan 表示主观想法的动词,可用于过去完成时表示过去未曾实现的
20、想法、希望、打算或意图,意为“本来想.”They had wanted to help, but they could not get there in time.3. 将来完成时:主要用于表示在将来某一时间点上会完成的动作,并对将来某一时间产生影响。常与将来时间状语连用。We shall have fulfilled the work by the end of next week.考点一:常用的时间状语一般用by+将来的时间。如:by the end of this year, by 8 oclock this evening, by March next year以及由by the ti
21、me, before或when等引导的副词从句。By the end of next month, he will have traveled 1000 miles on foot.By the time you reach the station, the train will have left.By next Tuesday, I will have got ready for the exams.考点二:在时间和条件状语从句中,将来完成时则由现在完成时表示。The children will do their homework the moment they have arrived
22、back from school.进行体:现在进行时、过去进行时、将来进行时和过去将来进行时。1. 现在进行时:1)表示说话时正在进行的动作或存在的状态。这种用法往往表示发生在过去,说话时没完成,仍在继续进行的动作或存在的状态。常与now, right now, at this moment, atpresent等时间状语连用。What are they quarreling about?2)表示现阶段某动作正在进行,但说话时未必正在进行。Im teaching part-time in a middle school.3)表示马上就要发生。非延续性动词用于进行时态,往往表示“马上就,即将,逐
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