初中英語(yǔ)人教版八年級(jí)下冊(cè)現(xiàn)在完成時(shí)

1、現(xiàn)在完成時(shí)The Present Perfect課前熱身I. The famous writer one new book in the past two years .A . writes B.wrote C.has written2,I the League for 5 years so far.A. joined B. have joined C. have been in3. Mary and Rose friends since they met in 2000.A.have made B.have been C.made D. have become4. Our country a

2、 lot so far .Yes. I hope it will be even.A . has changed ; well B . changed ; good C . has changed ; better5. you your homework yet ?Yes. I it a moment ago.A .Did; do; finished B .Have; done; finished C .Have; done; have finished討論展示1、分組討論,說(shuō)出以上句子主要用了哪種時(shí)態(tài)2、你能講出該時(shí)態(tài)的構(gòu)成嗎現(xiàn)在完成時(shí)一. 根本結(jié)構(gòu)：助動(dòng)詞have/has如去分詞done二

3、. 句型：肯定句：主語(yǔ)+have/has如去分詞+其他否認(rèn)句：主語(yǔ)+have/has+not如去分詞+其他.一般疑問(wèn)句：Have/Has+主語(yǔ)+過(guò)去分詞+其他.簡(jiǎn)略答語(yǔ)：Yes,主語(yǔ)+ have/has.筒定No,主語(yǔ) + haven't/hasn't.借定3、請(qǐng)歸納出現(xiàn)在完成時(shí)的主要用法,通過(guò)哪些詞語(yǔ)來(lái)提示現(xiàn)在完成時(shí)用法1. 表示過(guò)去發(fā)生或已經(jīng)完成的某一動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果.常用的時(shí)間狀語(yǔ)：already, yet, so far, never, just, before, recently,I have already lost my key.說(shuō)明過(guò)去某時(shí)丟的,現(xiàn)在還

4、未找到.你能舉例嗎2. 表示過(guò)去已經(jīng)開始,持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)往往和表示一段時(shí)間的狀語(yǔ)連用.for+一段時(shí)間,since+一段時(shí)間I have known him for ten years.I have known him since ten years ago .從開始熟悉到現(xiàn)在延續(xù)了十年你能舉例嗎4、請(qǐng)比較:He has been to the US .He has gone to the US .He has been in the US for three years .5、請(qǐng)看句子： He has come to school for two hours對(duì)嗎For和since要用

5、延續(xù)性動(dòng)詞,如果是短暫性動(dòng)詞要改為相應(yīng)的延續(xù)性動(dòng)詞,例如：leave/go- be away come-be here/be inbuy- have,borrow-keepjoin-be in/a member of die-be dead, begin/start- be on finish- be over5、你能用英語(yǔ)說(shuō)出他們嗎1) 、瑪麗上午七點(diǎn)到了學(xué)校.2) 、她在學(xué)校學(xué)習(xí)兩個(gè)小時(shí)了.The keys:1) 、Mary got to school at seven .2) 、She has studied at school for two hours.現(xiàn)在完成時(shí)與一般過(guò)去時(shí)的用法比

6、較1、一般過(guò)去時(shí)表小過(guò)去某個(gè)時(shí)間發(fā)生的事、存在的狀態(tài)或經(jīng)常發(fā)生的動(dòng)作.說(shuō) 話的側(cè)重點(diǎn)只在丁陳述一件過(guò)去的事情,不強(qiáng)調(diào)對(duì) "現(xiàn)在"產(chǎn)生的影響. 如： He visited Guilin in 1998.他1998年參觀過(guò)桂林.(只說(shuō)明去桂林的時(shí)間)2、現(xiàn)在完成時(shí)表示動(dòng)作發(fā)生在過(guò)去,對(duì)現(xiàn)在造成了影響或產(chǎn)生了結(jié)果.不與確 定的過(guò)去時(shí)間狀語(yǔ)連用.如：Jill has bought a new computer.吉爾買了一臺(tái)新電腦.(著重點(diǎn)是現(xiàn)在有了一臺(tái)新電腦)3、兩種時(shí)態(tài)的區(qū)分(1) 一般過(guò)去時(shí)的謂語(yǔ)動(dòng)詞用過(guò)去式,而現(xiàn)在完成時(shí)的謂語(yǔ)根本構(gòu)成是"助動(dòng)詞have /has以去

7、分詞.(2) 一般過(guò)去時(shí)通常與表示過(guò)去的時(shí)間狀語(yǔ)連用.如：yesterday, last week, two yearsago, just now, in 2002等；而現(xiàn)2完成時(shí)貝U常與 just, already, ever, never 等副詞和 these days, this week, since., for.等表示一段時(shí)間的狀語(yǔ)連用.(3)看看以下的幾組句子,有什么區(qū)別 Have you seen the film?(A)Did you see the film?(B)說(shuō)明你看過(guò)這部電影嗎 (A)句強(qiáng)調(diào)的是被問(wèn)者對(duì)劇情是否了解；(B)句強(qiáng) 調(diào)的是看這部電影的動(dòng)作是否發(fā)生過(guò),并不強(qiáng)

8、調(diào)是否知道其內(nèi)容. How has he done it?(A)How did he do it?(B)說(shuō)明他是怎么做的這件事(A)句強(qiáng)調(diào)的是他做這件事的方式對(duì)現(xiàn)在產(chǎn)生了某種影響；(B)句單純的詢問(wèn)做這件事的方式. He has lived in Beijing for 8 years.(A)He lived in Beijing for 8 years.(B)說(shuō)明他在北京住了 8年.(A)句講的是到目前為止他在北京住了 8年,可能還會(huì) 繼續(xù)在北京住下去.(B)句講的是他在北京住過(guò)8年,現(xiàn)在不在北京了.測(cè)評(píng)提升1、單項(xiàng)選擇：1) 、Harry Potter is a very nice fil

9、m. I it twice.A . will see B . have seen C . saw D .see2) 、These farmers have been to the United States .Really? When there ?A . will they go B .did they go C . do they goD . have they gone3) 、Zhou Lang already in this school for two years .A . was ; studying B . will ; study C . has ; studiedD. are

10、; studying4) 、His father the Party since 1998 .A .joined B . has joined C . was in D. has been in5) 、一 Do you know him well ? Sure .We friends since ten years ago .A . were B . have been C . have become D . have made6|、He has been to Shanghai, has he ?A . already B .never C .ever D. still7) 、Hurry u

11、p! The play for ten minutes .A . has begun B . had begun C . has been on D. began8) 、 It ten years since he left the army .A . IsB . has been C . Will be D. was9) 、 Miss Green isn't in the office. She to the library.A .has gone B . went C .will go D . has been10) 、My parents Shandong for ten yea

12、rs.A . have been in B . have been to C . have gone to D . have been2、用適當(dāng)?shù)臅r(shí)態(tài)填空：1) . She(live) here for ten years .2) . Both of them(come) to Hongkong ten days ago.3) . Half an hour(pass) since the train(leave).4) . Mary(lose) her pen .you(see) it anywhere?5) .you(find) your watch yet?6) . -Are you thirsty?-N