现在完成时过去完成时现在完成进行时.doc
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1、知识点:现在完成时一.一般现在时用法:过去发生的动作对现在造成的影响或结果:强调结果e.g. Yesterday I finished my homework, thats to say, Ihave finishedmy homework now.过去已经开始一直持续到现在的动作或状态:强调继续e.g. Ihave livedhere since 1990.二.现在完成时的构成have/has+过去分词三.现在完成时的四个基本句型肯定句Hehas finishedthe work.一般疑问句Hashefinishedthe work?否定句Hehas not finishedthe work
2、.两回答Yes ,hehas./No, hehasnt.特殊疑问句Whathashedone?四.在下列情形下用现在完成时(1)九词语already已经肯定句中或句尾 e.g. I havealreadyfound my pen. = I have found my penalready.yet已经否定句和疑问句句尾e.g. I have not finished the workyet.Have you bought a computeryet?ever曾经句中e.g. Have youeverseen pandas?never从不句中e.g. I haveneverbeen to Beij
3、ing.just刚刚句中 e.g. I havejustdone my work.before以前句尾e.g. I have never been therebefore.so far到目前为止e.g. So farhe has learnt 200 words.how long多久e.g. How longhave you lived here?how many times多少次e.g.How many timeshas he been to Beijing?(2)两词组havegone to去了某地例:Hehas gone toBeijing(去了北京)havebeen to去过某地例:H
4、ehas been toBeijing.(去过北京)(3)两结构for two monthsfor +一段时间Jim has lived herefor 2 months.since last yearsince +过去点时间Lucy has been in Beijingsince 3 years ago.since 3 years agosince 1990since he came heresince +过去时态句子He has been in Chinasince he came here.(4)如果句子里面没有时间状语,汉语意思能够加“已经”,往往用现在完成时态。e.g. Have
5、you lost your library book?你已经弄丢了从图书馆借的那本书吗?(5)现在完成时态还常常用于下列句型Theyhave plantedmany treesin the last few years.在过去的几年,他们已经种了很多树。This is the best book Ihave ever read.这是我曾经读过的最好的一本书。It is the first time Ihave playedthe computer games.这是我第一次玩电脑游戏。五.在现在完成时中,一次性动词不能和一段时间状语连用e.g. He has bought the book fo
6、r 3 years.(错)因buy这个一次性动词不能和一段时间for 3 years连用,改正的办法有五种:He has bought the book. (去掉一段时间for 3 years)He bought the book 3 years ago(改为一般过去时,使句子的意思不变)Its 3 years since he bought the book. = 3 years has passed since he bought the book.(改为固定句型It is -since-)He has not bought the book for 3 years.(改为否定句)He h
7、as had the book for 3 years.(用延续性动词have代替buy)六.还有其他一次性动词也是这种情况,可参照前面的五种办法改正,前四种改法都一样,第五种改法各不相同,举例如下:come/arrive/get to/reachbe here例:Ihave comehere for 3 years.(错)改为:Ihave been herefor 3 years.leave/gobe away例:Hehas leftfor 3 hours.(错)改为:Hehas been awayfor 3 hours.begin/startbe on例:The filmhas begun
8、for 3 minutes.(错)改为:The filmhas been onfor 3 minutes.openbe open / closebe closed例:The shophas openedfor 3 years.(错)改为:The shophas been openfor 3 years.diebe dead例:His fatherhas diedfor 3 years.(错)改为:His fatherhas been deadfor 3 years.finish/endbe over例:Hehas finishedthe work for 3 days.(错)改为:The wo
9、rkhas been overfor 3 daysjoin例:Ihave joinedthe army for 3 years.(错)改为:Ihave been in the armyfor 3 years.或Ihave been a soldierfor 3 years.buy /catchhavee.g. Ihave boughtthe bike for 3 years.(错)改为:Ihave hadthe bike for 3 years. e.g. Hehas caughta cold for 3 days.(错)改为:Hehas hada cold for 3 days.borrow
10、keep e.g. Ihave borrowedthe book for 3 years.(错)改为:Ihave keptthe book for 3 years.还有其它的归纳如下:breakbe brokenget upbe upmarrybe marriedbecomebelosebe lost七.延续性动词和终止性动词延续性动词:表示的动作是能延续的动作,这种动作可以延续下去或产生持久的影响。如:learn work stand lie know walk keep have wait watch sing read sleep live终止性动词:也叫非延续性动词,瞬间动词,一次性动
11、词。表示的动作不能延续,即动作发生后立即结束,产生某种结果。在有了某种结果后,动作就不能再继续下去。如:leave ,start, set out ,arrive ,reach ,get to, begin, stop, shut, turn off, marry ,put ,put on, get up, wake, fall, join ,meet, receive, finish, end, complete ,become, come, go, die, open, close, break, give, jump ,buy, borrow八.终止性动词不能和一段时间状语连用。He h
12、as died for three days.(错,终止性动词die不能和一段时间for three days连用)同步练习:单项选择题1、Bothhisparentslooksad. Maybethey_whatshappenedtohim . A. knewB. have knownC.must knowD.will know2、Hehas_ beentoShanghai, hashe ? A.alreadyB. neverC.everD. still3、HaveyoumetMr. Li _? A. justB. agoC. beforeD. a moment ago4、The famou
13、s writer _ one new book in the past two year . A. iswritingB. waswritingC. wroteD. haswritten5、Our country_ a lot so far . Yes .I hope it will be even _ . A. haschanged ; wellB. changed ; good C. haschanged ; betterD. changed ; better6、Zhao Lan _already_in this school for two years . A. was ; studyi
14、ngB. will ; study C. has ; studiedD. are ; studying7、We _ XiaoLisinceshewasalittlegirl. A. knowB. hadknownC. haveknownD.knew8、Harry Potter is a very nice film .I_ it twice . A.willseeB. haveseenC. sawD.see9、ThesefarmershavebeentotheUnitedStates. Really ? When _there ?A. will theygoB. didtheygoC.doth
15、eygo D. havetheygone10、_ you _ yourhomeworkyet ?Yes . I _itamomentago . A. Did ; do ; finishedB. Have ; done ; finishedC. Have ; done ; havefinishedD. will ; do ; finish知识点:过去完成时一 过去完成时结构:had+过去分词。二 过去完成时的用法:过去某一时刻或某一动作之前就已经发生的动作或存在的状态:即过去的过去e.g. When we got to the station, the trainhad left.当我到车站的时
16、候,火车已经离开了。By the end of last week, hehad learnt1000 words.到上个星期尾为止,他已经学了1000个单词。过去某时间开始,一直延续到过去另一时间为止的动作或状态e.g. He said that hehad madea few friends since he came to China.他说自从他来中国,他已经交了几个朋友。同步练习:单项选择题:1He asked me _ during the summer holidays.A. where I had been B. where I had gone C. where had I b
17、een D. where had I gone 2. What _ Jane _ by the time he was sever?A. did, do B. has, done C did, did. D. had,done3. I _ 900 English words by the time I was ten。A. learned B. was learning C. had learned D. learnt4. She _lived here for _ years.A. had, a few B. has, several C. had, a lot of D. has, a g
18、reat deal of5. By the time my parents reached home yesterday, I _ the dinner already.A had cooked B. cooked C. have cooked D. was cooked6. She said she _ the principle alreadyA .has seen B. saw C. will see D. had seen7. She said her family _ themselves _ the army during the war.A. has hidden, from B
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