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Ourslogan:HewhohasneverbeentotheGreatWallisn’tatrueman.,現(xiàn)在完成時(shí),RevisionThePresentPerfectTense,FanhuaMiddleSchoolFanZHihong,現(xiàn)在完成時(shí)謂語(yǔ)動(dòng)詞的構(gòu)成：,1.I_____________(finish)homeworkalready.,2.He___________(learn)Englishforthreeyears.,I/We/You/Theyhave…,He/She/Ithas…,havefinished,haslearned,助動(dòng)詞have/has+pp（過(guò)去分詞）,句式變換：,1.Hehasfinishedhishomework.(變?yōu)榉穸ň洌?.TheyhavevisitedChinabefore.(變?yōu)橐话阋蓡?wèn)句，并做肯定回答）,Hehasn’tfinishedhishomework.,HavetheyvisitedChinabefore?Yes,theyhave.,1.現(xiàn)在完成時(shí)的第一種用法是什么？2.常用的時(shí)間狀語(yǔ)有哪些？3.你能說(shuō)出already和yet有哪些不同嗎？,想一想,現(xiàn)在完成時(shí)(一),1.表示過(guò)去發(fā)生的動(dòng)作對(duì)現(xiàn)在造成的影響和結(jié)果.2.時(shí)間狀語(yǔ):already,yet,ever,never,just,before等3.already和yet的區(qū)別already多用于肯定句；yet多用于否定句和疑問(wèn)句末。,注意：如果肯定句中含有already或just，在變成否定句或疑問(wèn)句時(shí)，要把句中的already或just轉(zhuǎn)換成yet.,Ihaven’tseenthefilmyet.,2.Ihavealreadyfinishedmyhomework.,Haveyoufinishedyourhomeworkyet?,3.Motherhasjustcleanedthehouse.,Motherhasn’tcleanedthehouseyet.,1.Ihavealreadyseenthefilm.,1.I________(do)myhomeworkalready.2.He_____________(notfinish)hishomeworkyet.3.We______never______(see)thisbookbefore.5.Mother_____just_______(clean)thehouse.6.Sally__________(visit)Chinabefore.,havedone,hasnotfinished,have,seen,has,cleaned,hasvisited,我能行,用動(dòng)詞的適當(dāng)形式填空：,現(xiàn)在完成時(shí)(二),1.現(xiàn)在完成時(shí)的第二種用法是什么？2.常用的時(shí)間狀語(yǔ)有哪些？3.你能說(shuō)出for和since有什么不同嗎？,現(xiàn)在完成時(shí)(二)1.表示過(guò)去發(fā)生的動(dòng)作,一直延續(xù)到現(xiàn)在,并且有可能繼續(xù)延續(xù)下去.2.時(shí)間狀語(yǔ):通常和for,since引導(dǎo)的時(shí)間狀語(yǔ)連用.,,,,1.for+一段時(shí)間,foraweek,for3years,foralongtime,2.since+時(shí)間起點(diǎn)since+一段時(shí)間+agosince+從句(一般過(guò)去時(shí))since2o’clock,sinceyesterday,since3yearsago,sinceIcamehere等.,注意:對(duì)for或since引導(dǎo)的時(shí)間狀語(yǔ)提問(wèn)必須用___________,1.Ihavelivedherefor10years.,Howlonghaveyoulivedhere?,2.Shehasstoodheresince2hoursago.,Howlonghasshestoodhere?,howlong,選用for和since填空:1.Wehaven’tseeneachother______alongtime.2.HisfatherhasbeenintheParty______10yearsago.3.Thefilmhasbeenon______20minutes.4.MrGreenhasworkedhere______hecametoChina.5.Hisgrandpahasbeendead______severalyears.,for,since,for,since,for,havebeento曾經(jīng)去過(guò)某地（已返回）havegoneto去了某地（還沒(méi)有回來(lái)）,A,B,,A,B,,,,巧記：beento，goneto意不同，兩者用法要記清；havebeento+地名，曾經(jīng)到過(guò)某地行；havegoneto+地點(diǎn)，到某地去了已走遠(yuǎn)。,1.IhavegonetoJapanbefore.()2.Guilinisverybeautiful,Ihavebeentotheretwice.()3.HisfatherhasgonetoBeijing.Hewillbebacknextweek()4.Wherehaveyougone?(),Trueorfalse?,F,F,F,,T,,been,been,,你能說(shuō)出一般過(guò)去時(shí)和現(xiàn)在完成時(shí)的區(qū)別嗎？,一般過(guò)去時(shí)與現(xiàn)在完成時(shí)有一些明顯的時(shí)間狀語(yǔ)。1.yesterday,lastyear,in+過(guò)去某一年，twodaysago,justnow等常用于一般過(guò)去時(shí)2.already,yet,ever,never,just,before,sofar,inthepast/lastfewyears(在過(guò)去/最近的幾年里)，for+一段時(shí)間，since+時(shí)間起點(diǎn)等常用現(xiàn)在完成時(shí),注意：在現(xiàn)在完成時(shí)的肯定句中，動(dòng)詞不能和for,since引導(dǎo)的時(shí)間狀語(yǔ)連用。要連用必須改成延續(xù)性動(dòng)詞,最常見(jiàn)的有：buy-----have,borrow-----keep,leave------beaway(from)die------bedead,come-----behere/beinjoin-----bein/amemberofbegin/start-----beon,非延續(xù)性,舉例：1.我買了這本書(shū)五年了。2.這位老人已經(jīng)死了十年了。,Ihaveboughtthisbookforfiveyears.Ihavehadthisbookforfiveyears.,Theoldmanhasdiedfortenyears.Theoldmanhasbeendeadfortenyears.,,(F),(F),(T),(T),當(dāng)堂檢測(cè)一、句式變換：（5分,每空1分）1.JackhasvisitedChinabefore.(改為否定句）JackvisitedChinabefore.2.Theyhavecomeintotheclassroom.(改為一般疑問(wèn)句）comeintotheclassroom?3.Hehasbeenherefor12years.(劃線提問(wèn)）hashebeenhere?,hasn’t,Havethey,Howlong,二、用所給詞的正確形式填空:（3分，每空1分）1.I（live）herefortenyears.2.I（live）herein1998.3.He(notreturn)thebookyet.三、判斷正誤：(2分，每題1分)1.他爺爺已經(jīng)去世三年了。Hisgrandpahasdiedfor3years.()2.他去過(guò)北京。HehasgonetoBeijing.(F),haslived,lived,hasn’treturned,F,Homework,寫(xiě)一段短文，用現(xiàn)在完成時(shí)描述自己的一次經(jīng)歷。（不少于60字）,Bye-bye!,Thankyou,