現(xiàn)在完成時(shí)復(fù)習(xí)課件

1、現(xiàn)在完成現(xiàn)在完成八年級下冊八年級下冊Unit9Have you ever been to a museum?復(fù)習(xí)目錄現(xiàn)在完成時(shí)態(tài)的現(xiàn)在完成時(shí)態(tài)的概念概念現(xiàn)在完成時(shí)態(tài)的現(xiàn)在完成時(shí)態(tài)的結(jié)構(gòu)結(jié)構(gòu)現(xiàn)在完成時(shí)態(tài)的現(xiàn)在完成時(shí)態(tài)的句式句式現(xiàn)在完成時(shí)態(tài)與一般過去式的現(xiàn)在完成時(shí)態(tài)與一般過去式的比較比較現(xiàn)在完成時(shí)態(tài)練習(xí)現(xiàn)在完成時(shí)態(tài)練習(xí)step1.現(xiàn)在完成時(shí)的概念現(xiàn)在完成時(shí)的概念I(lǐng) have already told them the story. We have studied NO.10 middle school for more than 2 years.I have been to water park1

2、）表示）表示過去發(fā)生過去發(fā)生或或已完成已完成的動作的動作對現(xiàn)在對現(xiàn)在造成造成的影響或結(jié)果；的影響或結(jié)果；2）表示）表示一次或多次的動作一次或多次的動作已經(jīng)成為自己的經(jīng)歷。已經(jīng)成為自己的經(jīng)歷。3）表示過去已經(jīng)開始并表示過去已經(jīng)開始并一直持續(xù)一直持續(xù)到現(xiàn)在的動作到現(xiàn)在的動作或狀態(tài)?；驙顟B(tài)。 step 2.現(xiàn)在完成時(shí)的結(jié)構(gòu)現(xiàn)在完成時(shí)的結(jié)構(gòu) 現(xiàn)在完成時(shí)的構(gòu)成：現(xiàn)在完成時(shí)的構(gòu)成： have/has + done 注：注：動詞的現(xiàn)在分詞分為動詞的現(xiàn)在分詞分為規(guī)則變化規(guī)則變化與與不規(guī)則變化不規(guī)則變化.規(guī)則變化動詞的現(xiàn)規(guī)則變化動詞的現(xiàn)在分詞與過去式是一樣的，在分詞與過去式是一樣的，不規(guī)則不規(guī)則變化的動詞須特殊

3、記憶。變化的動詞須特殊記憶。助動詞助動詞 現(xiàn)在分詞現(xiàn)在分詞step 3.現(xiàn)在完成時(shí)的句式現(xiàn)在完成時(shí)的句式 現(xiàn)在完成時(shí)的否定式現(xiàn)在完成時(shí)的否定式直接在助動詞直接在助動詞have或或has后后面加上面加上not。 疑問句疑問句是把助動詞提到主語之前。是把助動詞提到主語之前。否定句否定句疑問句疑問句I have not (havent) studied. Have I studied? You have not (havent) studied. Have you studied? He has not (hasnt) studied. Has he studied? 按要求變化句式按要求變化句式1

4、. I have been to Shanghai before. (改為否定句改為否定句) 2.I have got something important to do .(改為一般改為一般疑問句）疑問句）3.Have you ever buy the subway?(做否定回答）做否定回答） I have not been to Shanghai before. Have you got anything important to do? No,I haven t 小結(jié)小結(jié)詞組詞組含義含義搭配have gone to到某地去了到某地去了，表示，表示到了某地或正在去到了某地或正在去某地的途中

5、。說話某地的途中。說話時(shí)該人時(shí)該人不在現(xiàn)場不在現(xiàn)場 have been to曾經(jīng)去過某地曾經(jīng)去過某地，現(xiàn)，現(xiàn)在已經(jīng)不在那里了在已經(jīng)不在那里了。 just, ever, neveronce, twice have been in在某地在某地呆多長時(shí)間呆多長時(shí)間 since, for, how long 比較比較have been to和和have gone to 1. lucy has _ to Beijing. She will come back tomorrow. A. been B. never been C. went D. gone 2. Hello, this is Mr. Gre

6、en speaking. Can I speak to Mr. Black? - Sorry. He _ the Park. A. has been to B. has gone to C. went to D. will go to 3. -_ you ever _ to the US? - Yes, twice. A. Have, gone B. Have, been C, Do, go D. were, goingBBDhave been to/in和和have gone to 的對比的對比例題例題step 4.現(xiàn)在完成時(shí)與一般過去時(shí)的現(xiàn)在完成時(shí)與一般過去時(shí)的比較比較 1）一般過去時(shí)表示

7、過去某時(shí)發(fā)生的動作或一般過去時(shí)表示過去某時(shí)發(fā)生的動作或單純敘述過去的事情，單純敘述過去的事情，強(qiáng)調(diào)動作強(qiáng)調(diào)動作； 2）現(xiàn)在完成時(shí)為過去發(fā)生的，強(qiáng)調(diào)過去的現(xiàn)在完成時(shí)為過去發(fā)生的，強(qiáng)調(diào)過去的事情對現(xiàn)在的影響，事情對現(xiàn)在的影響，強(qiáng)調(diào)影響強(qiáng)調(diào)影響。I saw this boy yesterdayI have seen this boy. 2）一般過去時(shí)）一般過去時(shí) 常與常與具體的表示過去的時(shí)具體的表示過去的時(shí)間間狀語連用狀語連用; 現(xiàn)在完成時(shí)通常與現(xiàn)在完成時(shí)通常與模糊的時(shí)間狀語模糊的時(shí)間狀語連連用，或無時(shí)間狀語。用，或無時(shí)間狀語。一般過去時(shí)的時(shí)間狀語一般過去時(shí)的時(shí)間狀語: yesterday, las

8、t week，ago, in1990, in October, just now, - 具體的時(shí)間狀語具體的時(shí)間狀語現(xiàn)在完成時(shí)的時(shí)間狀現(xiàn)在完成時(shí)的時(shí)間狀:already,yet,before,for, since, so far, ever, never, just, recently, twice,three times, for+一段時(shí)間，一段時(shí)間， since +時(shí)時(shí)間點(diǎn)間點(diǎn)等狀語連用。等狀語連用。 -模糊的時(shí)間狀語模糊的時(shí)間狀語 注意：since和和for的區(qū)別的區(qū)別 since后接時(shí)間點(diǎn)后接時(shí)間點(diǎn):如last term, yesterday, Monday, October“自從”

9、for后接一段時(shí)間后接一段時(shí)間:表示表示“長達(dá)多久長達(dá)多久”如如ten years, a while, two days等。短暫性動詞 (表示短暫意義的動詞如表示短暫意義的動詞如buy, come, borrow, begin, die等，在完成時(shí)等，在完成時(shí)中中不能和表示一段時(shí)間的狀語連用不能和表示一段時(shí)間的狀語連用而應(yīng)變成相應(yīng)的延續(xù)性動詞而應(yīng)變成相應(yīng)的延續(xù)性動詞）。）。 ( )1. His grandfather _ for two years? A died B has been dead C has died D has been died ( )2. Last year,Shenzhou-8 _into space, It made us proud. A. is sent B. was sent C. sent D. sends ( )3.We _xiao hu since she was a little girl. A know B had known C knew D have known ( )5. How happy the grandparents are! Yes , they _for 50 yea