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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, I have finished my 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. I have lived here since 1990.二. 现在完成时的构成 &
2、#160; have/has+过去分词三. 现在完成时的四个基本句型 肯定句 He has finished the work. 一般疑问句
3、60; Has he finished the work? 否定句 He has not finished the work. 两回答 Yes ,he has. / No, he ha
4、snt. 特殊疑问句 What has he done? 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 have already found my pen. = I
5、have found my pen already.yet已经 否定句和疑问句句尾 e.g. I have not finished the work yet.Have you bought a computer yet?ever曾经 句中 e.g. H
6、ave you ever seen pandas?never从不 句中 e.g. I have never been to Beijing.just刚刚 句中 e.g. I have
7、 just done my work.before以前 句尾 e.g. I have never been there before.so far到目前为止 e.g. So far he has learnt 200 words.how long多久
8、160; e.g. How long have you lived here?how many times多少次 e.g.How many times has he been to Beijing?(2)两词组 have<has>gone to去了某地
9、; 例:He has gone to Beijing (去了北京) have<has>been to去过某地 例:He has been to Beijing. (去过北京)(3)两结构for two monthsfor +一段时间Jim has lived here for 2 months.since last yearsin
10、ce +过去点时间Lucy has been in Beijing since 3 years ago.since 3 years agosince 1990since he came heresince +过去时态句子He has been in China since 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 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
11、 They have planted many trees in the last few years. 在过去的几年,他们已经种了很多树。 This is the best book I have ever read. 这是我曾经读过的最好的一本书。 It is the first time I have played the computer games. 这是我第一次玩电脑游
12、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 for 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.
13、60; (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) I
14、ts 3 years since he bought the book. = 3 years has passed since he bought the book. &
15、#160; (改为固定句型 It is -since-) He has not bought the
16、book for 3 years. (改为否定句) He has 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/reach be here
17、60; 例:I have come here for 3 years.(错) 改为:I have been here for 3 years.leave/go be away 例:He has left for 3 hours.(错) &
18、#160; 改为:He has been away for 3 hours.begin/start be on 例:The film has begun for 3 minutes.(错) 改为:The film has been on for 3 minut
19、es.open be open / close be closed 例:The shop has opened for 3 years.(错) 改为:The shop has been open for 3 years.die be dead 例:His fa
20、ther has died for 3 years.(错) 改为:His father has been dead for 3 years.finish/end be over 例:He has finished the work for 3 days.(错)
21、; 改为:The work has been over for 3 daysjoin 例:I have joined the army for 3 years.(错) &
22、#160; 改为:I have been in the army for 3 years. 或I have been a soldier for 3 years.buy /catch havee.g. I have bought the bike for 3 years.(错)
23、160; 改为:I have had the bike for 3 years. e.g. He has caught a cold for 3 days.(错) 改为:He has had a cold for 3 days.borrow keep
24、0; e.g. I have borrowed the book for 3 years. (错) 改为:I have kept the book for 3 years.还有其它的归纳如下:break be broken
25、0; get up be upmarry be married become be
26、 lose be 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。
27、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 has died for th
28、ree 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、Both his parents look sad. Maybe they _what's happened to him . A. knew B. have known C.must know
29、0; D.will know2、He has _ been to Shanghai, has he ? A. already B. never C.ever D. still3、Have you met Mr. Li _? A.
30、just B. ago C. before D. a moment ago4、The famous writer _ one new book in the past two year . A. is writing B. was
31、0;writing C. wrote D. has written5、Our country _ a lot so far . Yes .I hope it will be even _ . A. has changed ; well
32、160; B. changed ; good C. has changed ; better D. changed ; better6、Zhao Lan _already _in this school for two years . A. was ; studying &
33、#160; B. will ; study C. has ; studied D. are ; studying7、We _ Xiao Li since she was
34、 a little girl. A. know B. had known C. have known D.knew8、Harry Potter is a very nice film .I_ it twice . A. will see B. have
35、;seen C. saw D.see9、These farmers have been to the United States. Really ? When _ there ?A. will they go
36、60;B. did they goC.do they go D. have they gone10、_ you _ your homework yet ? Yes . I _ it a moment ago . A. Did ; do ; finished
37、; B. Have ; done ; finishedC. Have ; done ; have finished D. 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. Wh
38、en we got to the station, the train had left. 当我到车站的时候,火车已经离开了。By the end of last week, he had learnt 1000 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 he had made a few friends since he came to China.他说自从他来中国,他已
39、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 been 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
40、 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 great 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
41、.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. had hidden, from C. has hidden, with D. had hidden, with8. By the time he was ten years old, he _.A. has completed university B. has completed the universityC. had completed a
42、n university D. had completed university9. She had written a number of books _ the end of last year.A. for B. in C. by D. at 10. He _ to play _ before he was 11 years old.A had learned, piano B. had learned, the piano C. has learned, the piano D. learns ,piano. 知识点:现在完成进行时 一、现在完成进行时的定义现在完成进行时表示
43、某动作从过去某个时间开始,一直延续到现在,并且还有可能持续下去。e.g. Those cats have been screaming for hours. 那些猫叫了半天了。二、现在完成进行时的结构: have / has been + 现在分词e.g. I have been waiting for an hour and a half. 我一直等了一个半小时了。三、现在完成进行时主要用法1. 表示“持续”:即表示一个从过去某时开始一直持续的动作,这动作可能刚刚停止,也可能还在进行。如:e.g. The children have bee
44、n having a lot of fun. 孩子们一直玩得很开心。e.g. She is very tired. Shes been working all morning. 她很累。她干了一早晨了。2. 表示“重复”即表示在一段持续的时间内动作的多次重复,而这个重复的动作在说话时并不一定在进行。e.g. Weve all along been making mistakes like this. 我们一直犯这样的错误。四、与现在完成进行连用的主要时间状语现在完成进行时所用的时间状语:all day / month; this month /
45、 week / year; these days; recently / lately; in the past few + 时间段; since +时间点; for + 时间段,等等。e.g. He has been working all day. 他整天都在工作。They have been building the bridge for two month. 两个月来他们一直在修桥。He has been sleeping for ten hours. 他已经睡了十个小时了。The two parties have been tryin
46、g to unite since the New Year. 自从新年以来,双方就一直在试图联手。 拓展:现在完成进行时与现在完成时的区别1. 现在完成时强调动作的完成,而现在完成进行时强调动作的延续,因此,表示动作的完成,只能用现在完成时,而不能用现在完成进行时。如:He has changed his idea. 他改变了想法。2. 在表示动作的延续时,虽然既可用现在完成时,也可用现在完成进行时,但现在完成进行时强调动作的进行。因此在需要明确表示动作还要持续下去时,应用现在完成进行时。如:We have been studying here
47、 for two years. 我们在这儿已经学习了两年了。 在许多情况下,现在完成时表示动作已经完成,而现在完成进行时却并非如此。如:He has cleaned the window. 他把窗户擦干净了。(动作已完成)He has been cleaning the window. 他一直在擦窗户。(动作不一定完成)4. 有些静态动词只能用于现在完成时,一般不能用于现在完成进行时。如:The war has lasted for a long time. 这场战争持续了很长时间。5. 现在完成时与现在完成进行时的相通性:
48、在表达一个从过去开始而现在仍在继续或刚刚结束的动作时,某些动词既可以用现在完成时,也可以用现在完成进行时,如expect, hope, learn, lie, live, look, rain, sleep, sit, snow, stand, stay, study, teach, wait, want, work等。如:你学习英语多久了?正:How long have yon learnt English?正:How long have you been learning English?他已经睡了十个小时了。正:He has slept for ten hours.正:He has be
49、en sleeping for ten hours. 同步练习:单项选择题1. Im sure Andrew will win the first prize in the final. I think so. He _ for it for months. A. is pr
50、eparing B. was preparing C. had been preparing D. has been preparing 2. By the time he realizes he _ into a trap, itll be too late for him to
51、;do anything about it. A. walks B. walked C. has walked D. had walked 3. So far this year we _ a
52、fall in house prices by between 5 and 10 percent. A. saw B. see C. had seen &
53、#160; D. have seen 4. Cathy is taking notes of the grammatical rules in class at Sunshine School, where she_ English for a year. A.
54、studies B. studied C. is studying D. has been studying 5. Danny _ hard for long to
55、realize his dream and now he is popular. A. works B. is working C. has worked D. had worked 6. I have got a headache. No wonder. You
56、_ in front of that computer too long. A. work B. are working C. have been working D. worked
57、0;7. The unemployment rate in this district_ from 6% to 5% in the past two years. A. has fallen B. had fallen C. is&
58、#160;falling D. was falling 8. Now that she is out of job, Lucy _ going back to school,but she hasnt decided yet.A. had consi
59、dered B. has been considering C. considered D. is going to consider 9. _ you _ him around the museum yet? (2007江苏)
60、60; Yes. We had a great time there. A. Have shown B. Do show C. Had; shown D. Did; sh
61、ow 10. Hi, Tracy,you look pale. I am tired. I _ the living room all day. A. painted B. had painted C. have been paint
62、ing D. have painted四、课堂小结(10分钟)和学生一起回顾本节课所学知识:现在完成时、过去完成时、现在完成进行时的结构、用法及注意事项。五、作业布置一单项选择题。1His father _ the Party since 1978.A. joined B. has joined C. was in &
63、#160;D. has been in 2.Do you know him well ? Sure .We _ friends since ten years ago .A. were B. have been C. have become D. have made 3How long have you
64、 _ here ?About two months .A. been B. gone C. come D. arrived 4. Hurry up! The play _ for ten
65、 minutes .A. has begun B. had begunC. has been on
66、 D. began5. It _ ten years since he left the army .A. is B. has
67、160; C. will D. was6. What _ Annie _ by the time he was ten?A. did, do B. did, did C. has, done D. had done 7 .He _ in the factory for three years before he joined the Army.A. has worked B. work
68、s C. had worked D. will work8. By the end of last week, they _ the bridge.A. has completed B. completed C. will complete D. had completed9. Ben hates playing _ violin, but he likes playing _ football.A. athe B. the the C. / the D. the/10. By the time he was 4, he _ a lot of German words.A. had learned B. has learned C. learned D. learns二用括号里面的正确形式填空。1. You know, I _ (look) for a job for three months, and this is my first forma
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