中考复习八年级英语现在完成时语法详细讲解与配套习题

英语现在完成时专项训练

Past and present

一、定义

现在完成时用来表示之前已发生或完成的动作或状态，但它的影响现在还存在；也可表示持续到现在的动作或状态。其构成： have (has) +过去分词。规则变化的过去分词与过去式的变化一样，在动词词尾加ed; 不规则变化的过去分词见不规则动词表，需要同学记忆。

现以see the film为例将现在完成时的肯定句，否定句和疑问句列表如下： 肯定句：I/You/We/They have seen the film. He/She /It has seen the film. 否定句：I/You/We/They have not/ haven’t seen the film. He/ She/It has not/hasn’t seen the film.

疑问句：Have I/you/they seen the film? Yes, you/ we/I/they have. No, you/ we/I/they haven’t. Has he/she/it seen the film? Yes, he/ she/ it has. No, he/ she/ it hasn’t. 二、用法

用法一：表示过去发生或已经完成的某一动作对现在造成的影响或结果。常与just（刚刚），already（已经），never（从来没有），ever（曾经），before（以前），yet（仍然），once（一次），twice（两次），many times（很多次），how many times（多少次），so far（迄今为止），during the past（last）three years（最近三年来）等连用。

※ 副词的位置：

①just常用于肯定句中，放在have / has后，He has just come .

②never表示否定, 放在have / has后, He has never visited the Great Wall.

③ever用于疑问句中,句型为: Have / Has＋主语＋ever ＋过去分词？“…曾经……过吗？”用于询问某人过去的经历。Have you ever been to the farm？

④before用于句末，The woman has never heard of that before. ⑤yet 用于句末或not 之后.Has the train arrived yet? No, not yet. ⑥already用于肯定句, have / has 之后或句末.We have already finished it. ⑦so far用于句首或句末. So far, we have visited the moon.

用法二：表示过去已经开始，一直延续到现在的动作或状态。时间状语有：

① for（介）＋表示一段时间的词语I have taught English for 19 years。 ② since（介）＋表示过去时间点的词语He has been at this school since 1986. ③ since（连）＋表示过去的时间状语从句I have lived here since I was born. ④ since（介）＋一段时间＋ago. I have known him since 20 years ago.

三、现在完成时态中可以和表示一段时间状语（for，since，how long, all one’s life）连用的动词必须是表示延续的情况或动作的动词，即延续性动词。如：be，have，know，live，work，study，learn，teach，keep，speak，talk，draw，wait，wear，walk，sleep，drive，write，do，clean等。

I have been a teacher for nearly 20 years. How long has he lived here?

四、延续性动词的现在完成时可和包括“现在”在内的（到说话时仍未结束）表示一段时间的状语连用。如this morning，today，this week，these days

He has been to Beijing three times this year. He has written two letters this morning.（说话时间在上午）He

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wrote two letters this morning.（说话时间在下午或晚上）

英语中还有一些动词的意义决定它们所表示的动作不能延续,只是一瞬间

就结束的动作,这类动词叫做“非延续性动词”，常见的有：come，go，arrive，reach，see，hear，close，open，leave，begin，start，lose，buy，fall，join，die，get up，become，borrow，lend，find，finish，receive等。这些动词可用于现在完成时，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（how long，for，since）连用。He has come back.（√）He has come back for two hours.（×）

※ 但在否定句中，非延续性动词也可用表示一段时间的状语来修饰，如 I haven’t heard from my father for a long time. We haven’t seen him since 1999.

六、当终止性动词（非延续性动词）与表示一段时间的状语（how long，since，for， all one’s life）相矛盾时,改正错句的方法有如下几种:

（1）用副词ago把现在完成时的句子改为一般过去时.

He has come back for two weeks.（错）改为:He came back two weeks ago.（正） I have lost my bike for ten days. （错）改为:I lost my bike ten days ago. （正） （2）用“It is / has been＋时间＋since＋一般过去时态”句型来改写。

He has joined the League for 3 years. （错）It is 3 years since he joined the League. I have bought the book for 5 days. （错）It is 5 days since I bought the book. （正） He has died for 20 years. （错）It is 20 years since he died. （正） （3）用“时间＋has passed＋since＋一般过去时态”句型来改写。

He has left home for 20 years. 改为:Twenty years has passed since he left home. He has lost his pen for 2 days. 改为:Two days has passed since he lost his pen. （4）用系表结构来改写.

He has died for 20 years. 改为: He has been dead for 20 years.

The factory has opened since 1999. 改为:The factory has been open since 1999. How long has he left? 改为:How long has he been away? （5）用相应的延续性动词替代非延续性动词。

He has bought the book for two weeks. 改为:He has had the book for two weeks. 常见的相应转换形式如下:

borrow / lend→keep, buy→have, finish / end→be over, arrive /come / go / move / reach /get to→be in /at / be here /be there, begin / start→be on , open→be open , close→be closed, die→be dead , leave→be away（from）, go to school→be in school / be a student,

get up→be up, fall asleep→be asleep , fall ill→be ill, get to know→know, lose→be lost, become→be, return / come back / get back→be back, join→be in / be a…member, join the army→be in the army /be a soldier, receive / get a letter→have a letter , catch / get a cold→have a cold, begin to study→study,

他参军已有三年.He has joined the army for three years.（错）改为: He has been in the army for three years / since three years ago.

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He has been a soldier for three years / since three years ago. He joined the army three years ago. It is three years since he joined the army. Three years has passed since he joined the army.

（1）He came to our village two years ago.=He our village since two years ago. （2）He left home three days ago=He home for 3 days. （3）I bought the watch 2 weeks ago=I the watch since 2 weeks ago. （4）It is 5 days since I borrowed the book=I the book for 5 days. （5）The film has begun= The film for half an hour. （6）I got to know him 10 years ago=I him for 10 years. （7）There is a factory=There a factory for 20 years. （8）Our school opened in 1960=Our school since 1960. 七、现在完成时中应注意的几个问题 1. have been to 和have gone to的区别

have been to 强调“去过”，现已不在那里，如： He has been to the USA three times.

他到美国去过三次。（过去“到美国”，现在已“不在美国”） have gone to主要强调的是“去了”，现在人不在说话的现场，如： --Where's your mother? --你妈妈在哪？ --She has gone to the hospital. --她去医院了。 2. have been to 和have been in的区别

have been to强调人“已回到原地”，后面可接表示“次数”的状语。 eg. ① She has been to Shanghai only once.

②--How many times has he been there? --He's been there many times.

have been in表示某人“已在某地停留一段时间，现仍在那里”，其后常带表示一段时间的状语。 eg. ①They have been at the bus stop for half an hour.他们在车站呆了半小时。（现在仍然在车站） ②We have been in Xi'an for two weeks. 我们在西安呆了两个多星期。（现仍在西安） ③How long have they been in China? 他们在中国呆了多长时间了？（仍在中国）

八、如何通过与一般过去时做比较,进一步掌握现在完成时? 一般过去时和现在完成时的动作都发生在过去,但意义却不同. （1）一般过去时只表示过去的动作或状态,和现在不发生关系。 现在完成时表示过去发生的某一动作对现在造成的影响,强调的是现在。 如:I learned ten English songs（说明过去学过,现在是否记得,不是本句的内容） I have learnt ten English songs.（learn发生在过去,但强调我现在懂英语歌曲） I cleaned the blackboard half an hour ago.（只说明“擦”和其发生的时间）

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I have cleaned the blackboard.（说明现在黑板是干净的）

The teacher has written some new words on the blackboard（黑板上现在有单词） The teacher wrote some new words on the blackboard（黑板上现在没有单词）

（2）一般过去时可以和表示过去的时间状语连用,如:yesterday, last year, three days ago, just now, 等。现在完成时不能和表示过去的时间状语连用,其时间状语可以是since…,for… , just, ever, never, before, already, yet , so far, all one’s life等

【典型例题】

1. — Oh, Mrs. King, your necklace looks nice. Is it new? — No, I ____ it for two years. A. had B. have had C. bought D. have bought 2. His grandfather _____ for over two years.

A. has died B. has been dead C. has dead D. died 3.Uncle Li can speak English very well because he _____ England for 5 years. A. has gone to B. has been to C. has come to D. has been in 4. — Where is Mr. Zhang? — He _____ London.

A. has been to B. has been C. has gone D. has gone to

5. — _____ to the United States? — No, never, but I went to Canada a few years ago. A. Have you been B. Have you gone C. Did you go D. Will you go 6. I haven’t seen you _____ last Friday.

A. for B. since C. from D. on

7. — John, you ____ the computer game for two hours. It’s bad for your eyes. Stop, please! — OK, Mum.

A. played B. have played C. were playing D. play 8.I won’t go to the concert because I _____ my ticket. A. lost B. don’t lose C. have lost D. will lost Exercise: Fill in the blanks with the right verb tense: 1. It （rain）for a week.

2. I don’t know this woman. I （meet, never）her.

3.－Let’s go to the cinema.－No, I （see, already）the film. 4. We （finish, not）our homework yet. Will you wait a minute? 5. John （come, not）yet. He will be back in a minute.

6. Mr. Green often goes to America. In fact, he （be）there ten times. 7. －Where’s John? －He just （go）to the teachers’ office.

8. She （study）English since she was ten. She （begin）to study English when she was ten. 9. Jim isn’t here. He （go）to the library. He （go）there an hour ago. 10. He （travel, never）on a train in her life.

11. I （buy）the bike two weeks ago. I （have）this bike since the beginning of this month. I （have）it for two weeks.

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12. Great changes （take place）in those villages in the last ten years, Great changes （take place, also）in my home－town in the last ten years.

13. How many times you （phone）me these days? you （phone）me this morning? 14. Tom can’t get into the room because he （lost）the key to the door. 15. I （look）for the dictionary, but I （find not）it yet.

16. － the new programmes （start）yet?－No, they （plan,still） 18. We （live）in Shanghai from 1989 to 1999. We （live）for 10 years. 19. They can’t go with us. They （finish, not）the work yet. 20. You （change, not ）your mind, haven’t you? 21.We must pay for the library book if we （lost）it. 22. He has already finished his homework.（改为否定句） He finished his homework .

23.－ I hear your father （be）to Japan once.－Yes. He （go）there last year. 24. －When you （buy）the book?－I （have）it for two weeks. 25. Such a thing （happen, never）in the village before.

现在完成时态have / has +done,请注意与一般过去式的区别 1． I have already worked out this math problem? (改为否定句) I worked out the math problem .

2． He has already finished the book.(改一般疑问句并做肯定否定回答) he the book ? Yes, he . No, he . 3． I have a book.. (改一般疑问句并做肯定和否定回答) you a book? Yes, I . No, I .

4． I have got a book. (改一般疑问句并做肯定和否定回答) you a book? Yes, I . No, I .

5． He has got a book. (改一般疑问句并做肯定和否定回答) he a book? yes, he .No, he .

6． You have done your homework, you ?(改为反意疑问句) 7． He has never been abroad, he? (改为反意疑问句) 8． We have got little milk, we? (改为反意疑问句)

9． Jim has got a pen. Lucy has got a pen too.(改为同义句) Jim has got a pen, Lucy. 10． I think you never (hear) such a thing. 11． you (know) where your sister has (go)? 12． I think you (be) all right soon.

13． If you (lose) a book, you (pay ) for it.

14． I (tell) you about the accident as soon as I (finish) the work. 15． you ( read) the book yet? 16． Tom just (find) his cat.

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