1、单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Revision,现在完成时,1,1,现在完成时的基本句式是,“,have,(,has,)过去分词”。,如:,I have seen that film,我已经看过那部影片了。,We have just finished our homework,我们刚刚做完家庭作业,.,She has gone home,她回家去了。,注意:,1,)该句式中的,have,或,has,是助动词,,has,用于第三人称单数,其它人称一律用,have,。,2,)该句式中,have,(,has,),和过去分词之间可用,just,
2、插入。,3,)把该句式译成汉语时,,往往用“已经”,“,刚刚”,“,过”或“了”等,.,2,2,现在完成时一般疑问句式是,把助动词,have,或,has,提到主语之前。如:,Have you read this story book yet,?,你读过这本故事书吗?,Has he eaten that apple yet,?,他吃那个苹果了吗?,注意:,1,)现在完成时的一般疑问句往往在句末加,yet,。,2,)一般疑问句译成汉语时,往往译成“,.,过吗?”,“,还有,.,吗?”等,.,3,)其肯定回答用:,Yes,,,.have,(,has,),否定回答用:,No,,,.havent,(,h
3、asnt,),有时用:,No,,,not yet,或,No,,,never,3,Lets continue:,3,现在完成时的否定句式是,“,have,(,has,),+not,过去分词”。如:,We havent studied Unit 2 yet,我们还没学习第二单元。,The train hasnt stopped yet,火车还没有停下来。,注意:,1,)现在完成时的否定句句末往往加,yet,。,2,)否定句常译为“还没有,”,等。,4,Lets continue:,现在完成时的用法。,表示,过去,发生或完成的某一动作对现在造成的,影响或结果,。,如:,Have you read t
4、hat story,?你读过那个故事吗?,(“,读”发生在过去,对现在造成的影响是,:,是否知道故事的内容,),I have bought two apples,我买了两个苹果。,(“买”发生在过去,对现在造成的结果是:拥有两个苹果),常与现在完成时连用的副词:,already,,,just,,,yet,,,ever,,,never,等。,already,,,just,多用于肯定句中,,yet,,,ever,,,never,多用于疑问句和否定句中。如:,I have already finished my homework,我已经做完家庭作业了。,He has just had his mea
5、l,他刚吃过饭。,They havent started yet,他们还没有动身。,We have never heard of it,我们从来没有听说过这件事。,5,2,现在完成时态既涉及过去,又联系现在,它可表示动作或状态过去已经开始一直延续到现在,和由,“,for+,时间段”,或,“,since+,过去时间点,/,从句”,引导的时间状语连用。例如:,We have lived here,for five years,我们在这里住了五年了。,I have known him,since he was a boy,我从他还是个孩子的时候就认识他了。,注意:,现在完成时与一般过去时的区别:,现
6、在完成时强调过去发生的事对现在造成的影响;,一般过去时指过去发生的事实。,请看下面对话中一般过去时和现在完成时的不同。,A,:,Have you seen the film,?,B,:,Yes,,,I have,A,:,When did you see it,?,B,:,I saw it a year ago,6,You have lived in Shenzhen,since,1985.,You have lived in Shenzhen,for,fifteen years.,(,for,fifteen years),since,1985,now(2000),1985,now(2000),
7、since,+,表示时间点的词或时间状语从句,for,+,表示一段时间的词,7,since,+,表示时间点的词或时间状语从句,for,+,表示时间段的词,I have been a teacher,since,1995.,I have been a teacher,since,I came to Shenzhen,.,I have been a teacher,for,five years.,8,(1990-2000),He has been a teacher,for,ten years.,He has been a teacher,since,1990.,He has been a tea
8、cher,since,he left college in 1990,.,(left college),9,He has been a painter,for,two months.,(2000.72000.9),(moved to Japan),He has been a painter,since,he moved to Japan.,He has been a painter,since,July.,10,(19972000),He has been a doctor,for,three years.,He has been a doctor,since,1997.,(came here
9、),He has been a doctor,since,he came here in 1997.,11,(17/09/200026/09/2000),He has been a policeman,for,nine days.,He has been a policeman,since,September 17,th,2000.,12,(19922000),He has been a singer,for,eight years.,He has been a singer,since,1992.,(won the prize for music),He has been a singer,
10、since,he won the prize for music in 1992.,13,(19882000),She has been a nurse,for,twelve years.,She has been a nurse,since,1988.,worked in this hospital,She has been a nurse,since,she,worked in this hospital in 1988.,14,She has learnt how to dance,for,five months.,She has learnt how to dance,since,Ap
11、ril.,How long,has she learnt how to dance?,(2000.4-2000.9),How long,has she learnt how to dance?,15,English,How long,have you learnt English?,16,中学,How long,have you learnt English at this school?,17,How long,have they been married?,18,Olympic Games,How long,has the Olympic Games been held?,19,How l
12、ong,has he had the dog?,20,Exercises.Use“since”or“for”to fill in the blank.,His mother has been ill _ a month.,We have had a rest _ we came back.,They have known each other _ they were children.,She has taught English in this school _ about ten years.,He has worked in that hospital _ he left college
13、.,My mother has been a doctor _ many years.,for,since,since,for,since,for,21,3,延续性动词,与,非延续性动词,在现在完成时中的使用。,(,1,)延续性动词,:,be,,,have,,,know,,,live,,,work,,,study,,,learn,,,teach,,,speak,,,talk,,,draw,,,wait,,,wear,,,walk,,,sleep,等,这些动词可以和表示一段时间的状语连用。例如:,Uncle Wang has worked in this factory for ten year
14、s,王伯伯在这家工厂工作十年了。,(,2,)非延续性动词,:,come,,,go,,,arrive,,,reach,,,see,,,hear,,,close,,,leave,,,begin,,,start,,,lose,,,buy,,,fall,,,join,,,die,等,这些动词可用于完成时态,说明某个动作的结果还存在,但不能和表示一段时间的状语连用。例如:,【,正,】The play has begun,戏开演了。(戏正在演着),【,误,】The play has begun for half an hour,戏开演半小时了。,【,正,】The play has been on for
15、half an hour.,22,4,非延续性动词表示状态有三种方法:,(,1,)用相应的,延续性动词,来替换,非延续性动词,。,句中的,谓语动词一般用现在完成时,,时间状语为,“,for,时间段”或“,since,时间点(过去某一时刻或非延续性动词的一般过去时从句)”或用在,how long,的问句中,。例如:,They have been here for five years,他们来这里已经五年了。(这里,come,这一非延续性动词改成了,be,。),(,2,)常见的非延续性动词与延续性动词转换如下:,come,come to,go out,leave,begin/start,buy,b
16、orrow,join,die,put on,catch a cold,get to know,become a teacher,fall asleep,go to sleep,be,be in,at,be out,be away,be on,have,keep,be a member of/be amember,be dead,wear,have a cold,know,be a teacher,be asleep,sleep,。,23,(,2,)用“,非延续性动词的一般过去时,一段时间,ago,”,这一句型(即用一般过去时)。例如:,They came here five years ago,他们是五年前来这里的。,(,3,)用“,It is,(,has been,)时间段,since,从句(从句的谓语动词用非延续性动词的过去式),”这一句型。例如:,It is five years since they came here,自从他们来到这里已经有五年了。,24,25,26,27,Lets do some exercises:,28,