初中英現(xiàn)在完成時(shí)講解 練習(xí)及答案.doc

現(xiàn)在完成時(shí)一、 考點(diǎn)、熱點(diǎn)回顧【詞匯辨析】1. be famous for 和 be famous asbe famous for表示“因而出名”， for后接表示出名的原因be famous as則表示“以身份而著名”，as 后接職業(yè)、身份或地位，表示作為職業(yè)、身份或地位是著名的eg. France is famous for its fine food and wine. 法國(guó)以其佳肴和美酒著名。 France is famous as a romantic country 法國(guó)作為一個(gè)浪漫的國(guó)家而出名。2. hard與 hardlyhard adv.“努力地，費(fèi)力地，辛苦地”, 如： He works hard.他努力工作。 hard adj. “努力的，辛苦的” , 如： Its a hard work. 這是一項(xiàng)辛苦的工作。hardly否定副詞，意思為“幾乎不”，表示否定含義, 如：He works hardly. 他幾乎不工作。【固定搭配】加-ing be good at doing sth擅長(zhǎng)做某事 eg: He is good at playing the piano.mind doing sth介意做某事 eg: Do you mind my opening the door?practice doing sth練習(xí)做某事 eg: My sister practices playing the piano every day.stop doing sth停止做某事 eg: The teacher is coming, please stop talking.What/How about doing sth. 做某事怎樣 eg: What about going to the park this weekend?【現(xiàn)在完成時(shí)】 A. 表示過(guò)去發(fā)生或已經(jīng)完成的動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果，或從過(guò)去已經(jīng)開(kāi)始，持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)。【常用時(shí)間狀語(yǔ)】recently, lately, since+時(shí)間點(diǎn), for+數(shù)字+時(shí)間名詞, in the past few months/years等【構(gòu)成】 肯定形式：have/has + done 否定形式：have/has + not +done 一般疑問(wèn)句：have或has放于句首 B.現(xiàn)在完成時(shí)的用法1）現(xiàn)在完成時(shí)所表示的動(dòng)作在說(shuō)話(huà)之前已完成，而對(duì)現(xiàn)在有影響。 eg. The car has arrived.車(chē)子來(lái)了。（結(jié)果：車(chē)子已在門(mén)口） Someone has broken the window.有人把窗戶(hù)打破了。（結(jié)果：窗戶(hù)仍破著）區(qū)別：have been to, have gone to, have been inhave been to,表示去過(guò)某個(gè)地方，不過(guò)現(xiàn)在已經(jīng)回來(lái)了have gone to表示去了，但還沒(méi)有回來(lái)，也許是在去的途中have been in指的是在某個(gè)地方，從過(guò)去一直延續(xù)到現(xiàn)在例如：你以前去過(guò)北京么？例如：A: Is Mr.Wang at home?B: No,he is not in,（他去香港了）2）現(xiàn)在完成時(shí)所表示的動(dòng)作開(kāi)始于過(guò)去，持續(xù)到現(xiàn)在，也許還會(huì)持續(xù)下去。常用for和since表示一段時(shí)間的狀語(yǔ)或so far，now，today，this week (month，year)等表示包括現(xiàn)在時(shí)間在內(nèi)的狀語(yǔ)。eg. He has studied English for 5 years. He has studied English since 2001. Now I have finished the work.注意：表示短暫時(shí)間動(dòng)作的詞，如:come，go，die，marry，buy等的完成時(shí)不能與for，since等表示一段時(shí)間的詞連用。用來(lái)持續(xù)的動(dòng)作或狀態(tài)或表過(guò)去重復(fù)的動(dòng)作，如live，study，be，wait等，常和since（自從）或for（經(jīng)歷）引導(dǎo)的詞語(yǔ)連用。如：I have lived here for more than thirty years.我已在此住了30多年。由非延續(xù)性動(dòng)詞到延續(xù)性動(dòng)詞的轉(zhuǎn)換：5arrive be here begin(start)be ondie be dead come back be backleave be awayfall ill(sick, asleep) be ill(sick, asleep)get up be upgo out be outfinish be overput on wear 或be onopen be openjoin be in或be a member ofclose be closedgo to school be a studentborrow keepbuy have catch(a cold) have(a cold)get to know knowbegin to study studycome to work work二、 典型例題 （ ）1.When he arrived at the bus stop, the bus _ for 20 minutes.A. has left B. had left C. has been away D. had been away（ ）2. I _ the League for 5 years so far. A. joined B. have joined C. have been in（ ）3.The factory _ since the February of 1988. A . has been open B. has opened C. was open D. opened（ ）4.Mary and Rose _friends since they met in 2000. A. have made B. have been C. made D. have become（ ）5.You mustnt_ until he comes back. A. be away B. leave C. be left（ ）6.The meeting _ for a week now. A. has finished B. has ended C. has been over（ ）7.Miss Gao _ this school for nearly 5 years. A. has been in B. has come to C. has taught（ ）8.Ben _ a teacher for 4 years. A. has been B. has become C. was D. became（ ）9. I _ home for a week. A. have returned B. have been back C. returned（ ）10. How long _ he _ ? A. died B. has, died C. has, been dead（ ）11. He _ at eight yesterday afternoon. A. slept B. was sleeping C. has sleep D. had slept（ ）12.He _ the car for a week. A. bought B. has bought C. has had （ ）13.-How long _ you _ ill ? -Two weeks. A. did fall B. have, fell C. have, been（ ）14.Since 2000, he _ his hometown. A. has left B. has moved away C. has been away from（ ）15.Ill lend you the book , but you can only _ it for 2 days. A. borrow B. keep C. take三、課后練習(xí)單項(xiàng)選擇 （ ）1、Both his parents look sad. Maybe they _whats happened to him. A. knew B. have known C. must know D. will know（ ）2、He has _ been to Shanghai, has he ?A. already B. never C. ever D. still（ ）3、Have you met Mr Li _？ A. just B. ago C. before D. a moment ago（ ）4、The famous writer _ one new book in the past two year . A. is writing B. was writing C. wrote D. has written（ ）5、Our country _ a lot so far . Yes. I hope it will be even _. A. has changed; well B. changed; good C. has changed; better D. changed; better（ ）6、Zhao Lan _already _in this school for two years . A. was; studying B. will; study C. has; studied D. are; studying（ ）7、We _ Xiao Li since she was a little girl . A. know B. had known C. have known D. knew（ ）8、Harry Potter is a very nice film. I _ it twice. A. will see B. have seen C. saw D. see（ ）9、These farmers have been to the United States . Really? When _ there? A. will they go B. did they go C. do they go D. have they gone （ ）10、_ you _ your homework yet? Yes. I _ it a moment ago. A.Did; do; finished B.Have; done; finished C.Have; done; have finished D.will; do; finish（ ）11、His father _ the club since 1988. A. joined B. has joined C. was in D. has been in（ ）12、Do you know her well? Sure .We _ friends since ten years ago. A. were B. have been C. have become D. have made（ ）13、How long have you _ here? About seven years. A. been B. gone C. come D. arrived（ ）14、Hurry up! The program _ for five minutes . A. has begun B. had begun C. has been on D. began（ ）15、It _ ten years since he came Chengdu. A. is B. has C. will D. was（ ）16、Miss Green isnt in the office. She _ to the library. A. has gone B. went C. will go D. has been（ ）17、My parents _ Shandong for ten years . A. have been in B. have been to C. have gone to D. have been（ ）18、He _ for 2 hours. A. got up B. has got up C. has been up（ ）19、Tom is ill in hospital. He _ a cold for several days. A. is B. catches C. has caught D. has had（ ）20、His grandparents _ for more than 9 years.A. has come here B. has started to work C. has lived there D. has left the university漢譯英1、 吉姆已做完作業(yè)，他現(xiàn)在有空了。2、 他昨天收到一封信。3、 我父親以前到過(guò)長(zhǎng)城。4、 她還沒(méi)有看過(guò)那部新電影。5、 她去過(guò)上海。1、現(xiàn)在完成時(shí)主要強(qiáng)調(diào)過(guò)去發(fā)生的動(dòng)作對(duì)現(xiàn)在造成的影響，或過(guò)去發(fā)生的動(dòng)作還未結(jié)束，一直持續(xù)到現(xiàn)在或?qū)?lái)，重點(diǎn)在于對(duì)現(xiàn)在的影響。這種考查難度較大，往往無(wú)時(shí)間狀語(yǔ)，需要從上下文分析、推理才行。故上兩側(cè)根據(jù)上下文分析、推理，正確答案是B。2、現(xiàn)在完成時(shí)常與already（已經(jīng)），just（剛剛，正好），ever（曾經(jīng)），never（從來(lái)，也不；從不），before（以前），yet（仍然）等連用。故2應(yīng)選B。3、C4、現(xiàn)在完成時(shí)常與recently（近來(lái)），so far（到目前為止），in the past/“l(fā)ast + 一段時(shí)間”等時(shí)間狀語(yǔ)連用。因?yàn)樯鲜龆陶Z(yǔ)表示的是從現(xiàn)在起往前推算的一段時(shí)間，句中的動(dòng)作是從過(guò)去某一時(shí)間或時(shí)刻開(kāi)始持續(xù)到現(xiàn)在的。故4應(yīng)選D。5、C6、現(xiàn)在完成時(shí)時(shí)常與“for +時(shí)間段或since +過(guò)去時(shí)間點(diǎn)”連用（含從句，從句過(guò)去時(shí)）。故6應(yīng)選C。7、C8、現(xiàn)在完成時(shí)還與once（一次），twice（兩次），three times（三次），several times（幾次）等表示重復(fù)次數(shù)的詞語(yǔ)連用。故8應(yīng)選B。9、現(xiàn)在完成時(shí)與一般過(guò)去時(shí)容易混淆，就是因?yàn)樗鼈兯硎镜膭?dòng)作都發(fā)生在過(guò)去，