冀教版八年级英语最全现在完成时讲解(共8页).doc

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1、精选优质文档-倾情为你奉上现在完成时一、基本结构:1、肯定句:主语+have/has+(done)+其他成分.2、否定句:主语+have/has+not+过去分词+其他成分.3、一般疑问句:Have/Has+主语+过去分词+其他成分.回答: Yes,主语+ have/has.(肯定) No,主语+ havent/hasnt.(否定)二、用法(1)现在完成时表示过去发生或已经完成的动作对现在造成的影响或结果Ihave spentall of my money. (含义是:现在我没有钱花了.)Lilyhas (just/already) come. (含义:Lily现在在这儿)My fatherh

2、as goneto work.(含义是:我爸爸现在不在这儿)(2)现在完成时可以用来表示发生在过去某一时刻的, 持续到现在的动作或状态,常与for(+时间段),since(+时间点或过去时的句子)连用.for+时段since+过去时间(译为:自从以来)since+从句(过去时)It is+时段+since+从句(过去时)Mary has been illfor three days.I have lived heresince 1998.三、has gone (to), has been (to), has been (in)的区别1、Have/Has gone(to) :去了(现在不在说话现

3、场)Where is your father?He has gone to Shanghai.2、Have/Has been (to) :去过(已不在去过的地方)My father has been to Shanghai.3、Have/has been in:呆了多久(还在所呆的地方)My father has been in Shanghaifor two months. /since two months ago.四、现在完成时的标志1、现在完成时的含义之一是过去完成的动作对现在仍有影响,用以下四大标志词可以表达这种含义:(1)以already, just和yet为标志Hehas alr

4、eady gother help.他已得到她的帮助。Hehas just seenthe film.他刚刚看过这场电影。Hehasnt comebackyet.他还没有回来。(2)以ever和never为标志This is the best film Ihave ever seen.这是我曾经看过的最好的一部电影。Hehas never beento Beijing.他从没有到过北京。(3)以动作发生的次数为标志He says hehas been tothe USAthree times. 他说他已经去过美国三次了。(4)以so far(到目前为止)为标志+beforeHehas gotto

5、 Beijingso far.到目前为止他已到了北京。She has passed the exam so far.到目前为止她已经通过了考试。2.过去已经开始的动作一直延续到现在, 甚至有可能继续延续下去,我们可以从动作“延续”的特性和“时间”点段的区分入手,进一步学习现在完成时。 for+时段since+过去一个时间点(过去从句)为标志注意:1)现在完成时不能单独与过去的时间状语连用,如yesterday, last week, three years ago等;五、过去分词(一) 规则动词:规则动词的过去分词的构成规则与规则动词的过去式的构成规则相同。(1) 一般动词,在词尾直接加“ e

6、d ”。work-worked-worked ,visit-visited-visited(2) 以“ e ”结尾的动词,只在词尾加“ d ”。live-lived-lived ,(3) 以“辅音字母 + y ”结尾的动词,将 y 变为 i ,再加“ ed ”。study-studied-studied ,cry-cried-cried(4) 重读闭音节结尾,末尾只有一个辅音字母,先双写该辅音字母,再加“ ed ”。stop-stopped-stopped , drop-dropped-dropped(二):1、 AAA型原型 过去式 过去分词burst burst burst cast ca

7、st cast cost cost cost cut cut cuthit hit hit hurt hurt hurt let let let put put putset set set shut shut shut spread spread spreadread read readread原形发音为/ri:d/,过去式和过去分词发音为/red/2、AAB型beat beat beaten3、ABA型become became become run ran run come came come特殊情况4、ABB型bring brought brought buy bought bough

8、t build built built burn burnt burntcatch caught caught dig dug dug feel felt felt fight fought fought find found foundhear heard heard hold held heldkeep kept kept lay laid laid lead led led lose lost lostmake made made meet met metsell sold sold shoot shot shot sit sat sat stand stood stoodsweep s

9、wept sweptteach taught taught tell told told think thought thought win won won5、ABC型begin began begun blow blew blown break broke brokenchoose chose chosendraw drew drawn drive drove driven drink drank drunk fly flew flown forgive forgave forgiven forget forgot forgotten freeze froze frozengive gave

10、 given grow grew grownknow knew knownride rode ridden rise rose risen ring rang rungshake shook shaken sing sang sung sink sank sunk swim swam swumswim swam swumthrow threw thrownwrite wrote written六、(buy, die, join, come,go ,leave, join )不能直接与for /since连用。要改变动词begin-be on borrow -keep buy-have clos

11、e -be closed come/arrive/reach/get to-be in die-be deadfinish-be overgo out-be out leave -be awayopen-be open1、have代替buyMy brother has had(不能用has bought) this bike for almost four years.2、用keep或have代替borrowI have kept(不能用have borrowed) the book for quite a few days.3、用be替代becomeHow long has your sis

12、ter been a teacher?4、用have a cold代替catch a coldTom has had a cold since the day before yesterday.5、用wear代替put onb)用“be形容词”代1、bemarried代marry 2、beill代fall (get) ill3、bedead代die 4、beasleep代fall (get) asleep5、beawake代wake/wake up 6、begone代lose,die,sell,leave7、beopen代open 8、be closed代close/shut9、bemissi

13、ng(gone,lost)代losec)用“be副词”代终止性动词1“beon”代start, begin2“beup”代get up3“beback(to)”代return to, come back to, go back to4“be here (there)”代come(arrive, reach, get) here或go (arrive, reach, get) there等等d)用“be介词短语”代终止性动词1.“be in/at +地点”代替go to /come to2.用be in the army代替join the army3.“be in/at +地点”代替move

14、to常用瞬间动词变表:1. have arrived at/in sw. got to/reached sw. come/gone/moved to sw.have been in sw./at相应的介词2. have come/gone back/returned have been back3. have come/gone out have been out4. have become have been5. have closed / opened have been close/open6. have got up have been up;7. have died have bee

15、n dead;8. have left sw. have been away from sw.9. have fallen asleep/got to sleep have been asleep;10. have finished/ended/completed have been over;11. have married have been married;12. have started/begun to do sth. have done sth.;13. have begun have been on14. have borrowed/bought have kept/had15.

16、 have lost havent had16. have put on have worn17. have caught /get a cold have had a cold;18. have got to know have known19. have/has gone to have been in20. have joined/have taken part in the league/the Party/the armyhave been a member of/ have been in/have been the Partys member/the league member/

17、the soldier现在完成时练习(一)A)选用have, has填空:1.I _ told him the news. 2.She _ come back from school.3.You _ won the game.B)按要求改写下列各句:4.They have bought a computer.(改成否定句)_5.He has lost his book.(先改成一般疑问句,再作肯定与否定回答)_C)单项选择6. -Where have you _, Kate? -Ive _ to the bank.A. gone, goneB. been, beenC. gone, beenD

18、. been, gone7. Her grandfather _ for two years.A. diedB. has diedC. has been deadD. has been died8. Its six weeks _ I met you last. A. whenB. sinceC. beforeD. for9. Tom and Jack have arrived at West Hill Farm already.A. have gotB. have gone toC. have been toD. have reached现在完成时练习(二)一、 单项选择。1、Both hi

19、s parentslook sad. Maybe they _whats happened to him .(呼和浩特) . knew . have known . must know .will know2、He has _ been to Shanghai , has he ? . already .never .ever . Still3、HaveyoumetMr Li _?. just . ago .before . a moment ago4、The famous writer _ one new bookin the past two years . is writing .was

20、 writing .wrote .has written5、Our country _ a lotso far.Yes . I hope it will beeven_ . has changed ; well . changed ; good. has changed ; better . changed ; better6、Zhao Lan _already _in this schoolfor two years . was ; studying . will ; study. has ; studied . are ; studying7、We _ Xiao Li since she

21、was a little girl . know . had known . have known . Knew8、Harry Potter is a very nice film .I_ ittwice. will see . have seen . saw .see9、These farmers have been to the United States . Really ? When _ there ?. will they go . did they go . do they go . have they gone10、_ you _ your homeworkyet? Yes .

22、I _ ita moment ago. Did ; do ; finished . Have ; done ; finished. Have ; done ; have finished . will ; do ; finish11、 His father _ the Party since 1978 . joined . has joined . was in . has been in12、Do you know him well ? Sure .We _ friends since ten years ago . were . have been . have become . have

23、 made13、How longhave you _ here ? About two months . been . gone . come . Arrived14、Hurry up! The play _for ten minutes. has begun . had begun . has been on . Began15、 It _ ten years since he left the army . is . has . will . Was16、 Miss Green isnt in the office . she_ to the library .has gone . wen

24、t .will go . has been17、My parents _ Shandong for ten years . have been in . have been to. have gone to . have been18、The students have cleaned the classroom, ?A. so they B. dont they C. have they D. havent they19、 has Mr White been a member of Greener China since he to China?A. How soon, comes B. H

25、ow often, gotC. How long, came D. How far, arrived20、 His uncle_for more than 9 years.A. has come here B. has started to workC. has lived there D. has left the university二、 句型转换。1、He has never surfed, ?(改成反意疑问句)2、They have been heresince 2000.(对划线部分提问)_they been here?3、The old man _last year. Hefor

26、a year. (die)(动词填空)4、This factory opened twenty years ago.(同义句转换)This factory _ for twenty years.5、Miss Gao left an hour ago. (同义句转换)Miss Gao _ _ _ _ an hour ago.6、Her mother has been a Party member for three years .(同义句)Her mother _ the Party three years _ .7、The Green Family moved to France two ye

27、ars ago. (同义句转换)_ two years _ the Green family moved to France.8、The bus has arrived here. It arrived ten minutes ago. (把两个句子合并成一个句子)_三、 汉译英。1、 吉姆已做完作业,他现在有空了。2、 他昨天收到一封信。3、 我父亲以前到过长城。4、 她还没有看过那部新电影。5、 她去过上海。6、 他这些天上哪儿去了?参考答案:一、单项选择。1、现在完成时主要强调过去发生的动作对现在造成的影响,或过去发生的动作还未结束,一直持续到现在或将来,重点在于对现在的影响。这种考查难

28、度较大,往往无时间状语,需要从上下文分析、推理才行。故上两侧根据上下文分析、推理,正确答案是。2、现在完成时常与already(已经),just(刚刚,正好),ever(曾经),never(从来,也不;从不),before(以前),yet(仍然)等连用。故2应选B。3、C4、现在完成时常与recently(近来),so far(到目前为止),in the past/“last +一段时间”等时间状语连用。因为上述短语表示的是从现在起往前推算的一段时间,句中的动作是从过去某一时间或时刻开始持续到现在的。故4应选D。5、C6、现在完成时时常与“for +时间段或since +过去时间点”连用(含从

29、句,从句过去时)。故6应选C。7、C8、现在完成时还与once(一次),twice(两次),three times(三次),several times(几次)等表示重复次数的词语连用。故8应选B。9、现在完成时与一般过去时容易混淆,就是因为它们所表示的动作都发生在过去,但二者又有区别:一般过去时表示过去某个时间发生的事、存在的状态或经常发生的动作,说话的侧重点在于陈述一件过去的事情,与现在没有关系;现在完成时表示与现在有关系的发生在过去的动作,它不与表示过去的时间状语(如yesterday , last week , a moment ago等)连用。故9的正确答案为B。10、B11、现在完成

30、时中,非延续性动词不能与for和since引导的表示一段时间的状语连用,通常是用相应的延续性动词来代替。故11的正确答案依次为:D。12、B 13、A 14、C 15、A。16、“have/has gone to +地点”表示“某人去了某地(还未回来)”,指主语所指的人不在这儿。“have/has been in +地点”表示“在某地呆了多长时间”,常与表示时间的状语连用。“have/has been to +地点”表示“曾经去过某地(但现在已不在那儿)。”故16的正确答案为A。17、A 18、D 19、C 20、C二、句型转换。1、has he? 2、How long 3、died, has

31、 been dead4、has been open 5、has been away 6、joined;ago7、It is, since 8、The bus has been here for ten minutes.三、汉译英。1、Jim has finished doing his homework already. He is free now.2、He received a letter yesterday.3、My father has been to the Great Wall before.4、She hasnt seen the new film yet.5、She has been to Shanghai.6、Where has he been these days?专心-专注-专业

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