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1、延續(xù)性動(dòng)詞與非延續(xù)性動(dòng)詞及其轉(zhuǎn)換動(dòng)詞按其動(dòng)作發(fā)生的方式、發(fā)生過程的長(zhǎng)短可分為延續(xù)性動(dòng)詞與非延續(xù)性動(dòng)詞。一. 延續(xù)性動(dòng)詞表示能夠延續(xù)的動(dòng)作 ,如: learn, work, stand, lie, know, walk, keep, have, wait, watch, sing, read, sleep, live, stay 等。延續(xù)性動(dòng)詞可以與表示 時(shí)間段的狀語連用。表示時(shí)間段的短語有 : for+ 一段時(shí)間 , 如 :for 2 years; since 從 句 , 如 since he came here; since+ 過去時(shí)間點(diǎn)名詞 , 如 since last year, sin

2、ce 5 days ago. 例:He has lived here for 6 years. You can keep the book for 5 days.二. 非延續(xù)性動(dòng)詞也稱終止性動(dòng)詞、 瞬間動(dòng)詞 , 表示不能延續(xù)的動(dòng)作 ,這種動(dòng)作發(fā) 生后立即結(jié)束。如: open, die, close, begin, finish, come, go, move, borrow, lend, buy 等。非延續(xù)性動(dòng)詞在肯定句中與表示時(shí)間點(diǎn)的狀語連用,如: two years ago; at 5 oclock;例 : He died 5 years ago.三. 延續(xù)性動(dòng)詞與非延續(xù)性動(dòng)詞之間的轉(zhuǎn)換:

3、例: He left five minutes ago.= He has been away for five minutes.這句話的意思是指他離開的動(dòng)作是 5 分鐘之前發(fā)生的, 是過去時(shí)。也就是說從 他離開到現(xiàn)在已經(jīng)有五分鐘了, 這個(gè)動(dòng)作是延續(xù)的, 要用現(xiàn)在完成時(shí), 并且要把 原來的短暫性動(dòng)詞 改為延續(xù)性動(dòng)詞。 下面是一些短暫性動(dòng)詞及相應(yīng)的延續(xù)性動(dòng)詞,須牢記。leave - be away,borrow - keep,buy - have,begin/start - be on,die - be dead,finish - be over,join - be in+ 組織機(jī)構(gòu) , be a

4、 member of+ 組織機(jī)構(gòu) ,open sth - keep sth open, fall ill - be ill,get up-be up,catch a cold - have a cold,come here - be here,go there - be there,become - be, come back - be back,fall asleep - be asleep,get to/ arrive/reach - be (in),leave - be away from,get to know - know,go (get) out be out,put on f w

5、ear ; catch a cold have a cold 等。練習(xí):1. The old man died 4 years ago.The old manfor 4 years.2. He joined the Party 2 years ago.He the Party for 2 years.3. I bought the book 5 days ago.- I the book for 5 days.現(xiàn)在完成時(shí)(一)現(xiàn)在完成時(shí)是初三教材中的一個(gè)重點(diǎn)語法項(xiàng)目,下面我們就來學(xué)習(xí)它的構(gòu)成。1 .現(xiàn)在完成時(shí)的基本句式是have (has)+過去分詞”。女口: I have seen that

6、 film 我已經(jīng)看過那部影片了。 We have just finished our homework .我們剛剛做完家庭作業(yè)。 She has gone home .她回家去了。注意: 1 )該句式中的 have 或 has 是助動(dòng)詞, has 用于第三人稱單數(shù),其它 人稱一律用have。 2)該句式中have (has)和過去分詞之間可用just插入。3) 把該句式譯成漢語時(shí),往往用 “已經(jīng)”、“剛剛 ”、“過”或“了”等。2現(xiàn)在完成時(shí)的一般疑問句式是把助動(dòng)詞have 或 has 提到主語之前。如: Have you read this story book yet ?你讀過這本故事書嗎

7、? Has he eaten that apple yet ?他吃那個(gè)蘋果了嗎?注意:1)現(xiàn)在完成時(shí)的一般疑問句往往在句末加 yet。 2)把現(xiàn)在完成時(shí)的一般 疑問句譯成漢語時(shí),往往譯成“過嗎?” 還有嗎? ”等。3)其肯定回答用:Yes,have (has).否定回答用:No,.have nt (hasnt).有時(shí)用: No, not yet 或 No, never3.現(xiàn)在完成時(shí)的否定句式是 have (has)+過去分詞”女口: We havent studied Unit 2yet 我們還沒學(xué)習(xí)第二單元。 The train hasnt stopped yet 火車還沒有停下來。注意:

8、1)現(xiàn)在完成時(shí)的否定句句末往往加 yet。 2)否定句常譯為 “還沒有” 等。現(xiàn)在完成時(shí)(二)現(xiàn)在完成時(shí)表示過去發(fā)生或完成的某一動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果。如:Have you read that story ?你讀過那個(gè)故事嗎?( “讀”這一動(dòng)作發(fā)生在過去,對(duì) 現(xiàn)在造成的影響是:是否知道故事的內(nèi)容)I have bought two apples 我買了兩個(gè)蘋果。 ( “買”這一動(dòng)作發(fā)生在過去,對(duì)現(xiàn) 在造成的結(jié)果是:擁有兩個(gè)蘋果) 在學(xué)習(xí)這一概念的同時(shí),還應(yīng)注意常與現(xiàn)在完成時(shí)連用的幾個(gè)副詞: already , just, yet, ever, never 等。 already , just

9、 多用于肯定句中, yet, ever, never 多用于疑問句和否定句中。如:I have already finished my homework 我已經(jīng)做完家庭作業(yè)了。He has just had his meal 他剛吃過飯。Have you ever sung this English song ?你曾唱過這首英文歌嗎?They havent started yet 他們還沒有動(dòng)身。We have never heard of it 我們從來沒有聽說過這件事。現(xiàn)在完成時(shí)(三)1現(xiàn)在完成時(shí)態(tài)既涉及過去,又聯(lián)系現(xiàn)在,它可表示動(dòng)作或狀態(tài)過去已經(jīng)開始 一直延續(xù)到現(xiàn)在,和由 for 或 s

10、ince 引導(dǎo)的時(shí)間狀語連用。例如:We have lived here for five years 我們?cè)谶@里住了五年了。I have known him since he was a boy 我從他還是個(gè)孩子的時(shí)候就認(rèn)識(shí)他了。 注意:現(xiàn)在完成時(shí)與一般過去時(shí)的區(qū)別: 現(xiàn)在完成時(shí)強(qiáng)調(diào)過去發(fā)生的事對(duì)現(xiàn)在造 成的影響; 一般過去時(shí)指過去發(fā)生的事實(shí)。 請(qǐng)看下面對(duì)話中一般過去時(shí)和現(xiàn)在完 成時(shí)的不同。A: Have you seen the film ? B:Yes,I haveA: When did you see it ? B:I saw it a year ago 2延續(xù)性動(dòng)詞與非延續(xù)性動(dòng)詞在現(xiàn)

11、在完成時(shí)中的使用。( 1)延續(xù)性動(dòng)詞: be,have ,know ,live , work ,study ,learn ,teach ,speak , talk ,draw , wait ,wear ,walk ,sleep 等,這些動(dòng)詞可以和表示一段時(shí)間的狀 語連用。例如: Uncle Wang has worked in this factory for ten years 王伯伯在 這家工廠工作十年了2)非延續(xù)性動(dòng)詞: come ,go ,arrive , reach ,see,hear,close,leave,begin ,start, lose, buy,fall ,join ,d

12、ie 等,這些動(dòng)詞可用于完成時(shí)態(tài),說明 某個(gè)動(dòng)作的結(jié)果還存在,但不能和表示一段時(shí)間的狀語連用。例如:【正】 The play has begun 戲開演了。(戲正在演著)【誤】 The play has begun for half an hour 戲開演半小時(shí)了。 3非延續(xù)性動(dòng)詞表示狀態(tài)有三種方法:(1)用相應(yīng)的延續(xù)性動(dòng)詞來替換非延續(xù)性動(dòng)詞。句中的謂語動(dòng)詞一般用現(xiàn)在完 成時(shí),時(shí)間狀語為 “for 時(shí)間段 ”或 “since 時(shí)間點(diǎn) (過去某一時(shí)刻或非延續(xù)性 動(dòng)詞的一般過去時(shí)從句) ”或用在 how long 的問句中。例如:They have been here for five years

13、 他們來這里已經(jīng)五年了。 (這里 come 這一 非延續(xù)性動(dòng)詞改成了 be 。)常見的非延續(xù)性動(dòng)詞與延續(xù)性動(dòng)詞轉(zhuǎn)換如下:come be , come to be in /at,go outbe out, leave be away , beg in / startbe on , buyhave , borrowkeep, joinbe a member of be amember , diebe dead , put on wear,catch a cold have a cold,get to knowknow,become a teacher be a teacher ,fall asle

14、ep be asleep ,go to sleep sleep 等。(2)用“非延續(xù)性動(dòng)詞的一般過去時(shí)一段時(shí)間ago ”這一句型(即用一般過去時(shí))。例如: They came here five years ago 他們是五年前來這里的。(3)用ft is (has been)+時(shí)間段+ since從句(從句的謂語動(dòng)詞用非延續(xù)性 動(dòng)詞的過去式) ”這一句型。例如:It is five years since they came here 自從他們來到這里已經(jīng)有五年了?,F(xiàn)在完成時(shí)與中考題選擇填空。1I a letter from him since he left (天津市)Adidnt rec

15、eive B havent got C didnt have D havent heard2 Where have you these days ? I have to Dazhu with myfriends (重慶市) Abeen ;gone B been ;been C gone ;been D gone ; gone3How long have you this book ?(哈爾濱市)Abought B borrowed C had D lent4 Wheres Peter ? He to Nanjing (沈陽市)Ais going B has been C has gone D

16、went5Youve never seen such a wonderful film before , ?(河北省)Ahavent you B have you C do you D dont you6We have lived here five years ago (河南?。〢when B since C before D after7I have watched the game When you it ?(長(zhǎng)沙市)Ahave;watched B do ; watch Cdid;watch Dwill;watch8How do you like Beijing ,Mr Black ?

17、Oh ,I such a beautifulcity (江西?。?Adont visit B didnt visit C havent visited D hadnt visited9The old people lonely at all since we began to visit them once aweek (廣州市) Adont feel B hasnt felt C havent felt D didnt feel10 My grandfather in the small town all his life He always says helikes the town (四

18、川省) Alived B have lived C has lived D is living11 Miss Brown to the Great Wall twice (貴陽市)Ahave been B has been C have gone D has gone12 His brother has been to Stone Forest twice he came toYunnan (昆明市) Aafter B before C since D for13 His grandpa for two years (廣西)Awas died B has been dead C was dead D has died14 Have you ever to Haikou ?Yes ,I t

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