所以同學(xué)們掌握起來(lái)比較困.ppt

現(xiàn)在完成時(shí)態(tài)是中考的必考時(shí)態(tài)，由于現(xiàn)在完成時(shí)態(tài)既涉及到過(guò)去，又聯(lián)系到現(xiàn)在，和一般過(guò)去時(shí)態(tài)，一般現(xiàn)在時(shí)態(tài)，現(xiàn)在進(jìn)行時(shí)態(tài)既有聯(lián)系，又有區(qū)別，所以同學(xué)們掌握起來(lái)比較困難。 現(xiàn)把這種時(shí)態(tài)的用法簡(jiǎn)單的總結(jié)一下，和各位老師共同切磋。,合賢學(xué)校,呂新華,1.現(xiàn)在完成時(shí)態(tài)表示過(guò)去發(fā)生的動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果 Our teacher has left. We have studied English. I have already finished the homework. He has had his lunch. He has become a doctor. 我們老師已經(jīng)離開了. Our teacher has been away. (F) Our teacher has left.(T),錯(cuò)誤的認(rèn)識(shí): (1)必須使用延續(xù)性動(dòng)詞. (2) 延續(xù)性動(dòng)詞必須和一段時(shí)間連用.,構(gòu)成,have/has+過(guò)去分詞,2.某個(gè)動(dòng)作從過(guò)去已經(jīng)開始,一直持續(xù)到現(xiàn)在,還有可能持續(xù)到將來(lái).動(dòng)作的持續(xù)性要通過(guò)一段時(shí)間來(lái)表示.,一段時(shí)間的表達(dá)方法有兩種: for: +一段時(shí)間 for a year for two weeks for three years,Since 過(guò)去的某一時(shí)刻, since nine since last week 一般過(guò)去時(shí)態(tài)的時(shí)間狀語(yǔ)從句 since you came since you got home.,注意:for 和since 所引導(dǎo)的時(shí)間狀語(yǔ)都表示一段時(shí)間.,He has been away since last week.,He has been away since last week.,對(duì)劃線部分提問(wèn)都用How long,結(jié)束性動(dòng)詞不能和表示一段時(shí)間的時(shí)間狀語(yǔ)連用,但是他可以轉(zhuǎn)換成相應(yīng)的延續(xù)性動(dòng)詞.,1.直接用延續(xù)性動(dòng)詞 buy have catch(get) a cold have a cold borrowkeep Come/go /becomebe put on- wear,2.轉(zhuǎn)換成be+名詞 join the army be a soldier Join the Party be a Party member go to school be a student,3轉(zhuǎn)換成be+形容詞或副詞 diebe dead finish be over beginbe on leavebe away fall sleep be asleep close be closed,4.轉(zhuǎn)換成 be+介詞短語(yǔ) go to school be in school join the army be in the army,1.我們買這本書三年了.,We have had the book for three years.,2.他感冒三天了.,He has had a cold for three days.,We bought the book three years ago.,He caught a cold three days ago.,一般過(guò)去時(shí)態(tài)和現(xiàn)在完成時(shí)態(tài)可以構(gòu)成同意句,3.自從上星期我借的這本書,I have kept the book since last week.,4.我成為一個(gè)學(xué)生兩年多了.,I have been a student for over two years.,I borrowed the book last week.,I became a student two years ago.,5.Mr Black死了三年了。,Mr Black has been dead for three years.,Mr Black died three years ago.,6.小名參軍半年了。,Xiao Ming has been a soldier for half a year.,Xiao Ming joined the army half a year ago.,7.我們上了8年學(xué)了。,We have been students for eight years.,8.下課10分鐘了,The class has been over for ten minutes.,9.電影開始了一小時(shí)了,The film has been on for an hour.,10.門打開半小時(shí)了,The door has been open for half an hour.,Exercises,Youve never seen such a wonderful film before, _? A havent you B have you C do you D dont you 2. -Ann has gone to Shanghai. -So _ her parents. 3. I have watched the game. -When _ you _ it? A have watched B do watch C did watch D will watch,4. Mr. Green _ in China since five years ago. A lived B has lived C lives D is going to live 5. His grandma _ for two years. A died B has been dead C was dead D has died,6. Where is Han Mei now? - She _ to Shanghai. She will be back in two days. A has gone B has been C goes D had gone 7. -_ to the United Stated ? - No, never,but I went to Canada a few years ago,8. You havent changed your mind,_? A do you B are you C have you D did you,9. How long have you _ the football team of the school? A been on B been at C joined D played 10. -Where have you _ these days? - I have _ to Dazhu with my friends. A been , gone B been , been C gone , been D gone, gone 11. How long have you _ this book? A bought B borrowed C had D lent 12. Excuse me, _ you seen the film yet? - Yes, I _ it last nig