(完整版)外研版八下M2U3現(xiàn)在完成時(shí)

Welcometoourclass!寫(xiě)出下列動(dòng)詞的過(guò)去式及過(guò)去分詞：cleanfinishentervisitcooktravelcopycleanedcleanedfinishedfinishedenteredenteredcookedcookedtraveled/travelledtraveled/travelledcopiedcopied課前延伸visitedvisitedpratisewaterclimbwashwinseehavebefindpratisedpratisedwateredwateredclimbedclimbedwashedwashedwonwonsawseenhadwas/werefoundhadbeenfounddosweepreadlosetakegorideeatdiddonesweptsweptreadreadtooktakenlostlostwentrodeategoneriddeneatenpresentpastThey______________thePyramids.TwoyearsagonowTheysawthePyramids.TheyknowPyramidsverywell

.haveseen現(xiàn)在完成時(shí)語(yǔ)法課堂PresentPerfectTense

(1)Ihaveenteredlotsofspeakingcompetitions.I’vewonsomeprizes.(2)Haveyoueverwonanyprizesbefore?(3)IhavenevervisitedtheUSA.past現(xiàn)在完成時(shí)(presentperfecttense)present(now)future以上句子的謂語(yǔ)動(dòng)詞有一個(gè)共同的特點(diǎn)就是“__________________________”,用于表示____________________________________________________________________如(1);

還可以______________________________，如(2)(3)。我們把這種時(shí)態(tài)稱(chēng)為“現(xiàn)在完成時(shí)”。have/has+動(dòng)詞的過(guò)去分詞在以前的某個(gè)時(shí)間曾經(jīng)做過(guò)的、發(fā)生的事情,這種行為對(duì)目前有某種影響表示到目前為止曾經(jīng)經(jīng)歷或沒(méi)經(jīng)歷的事情summary現(xiàn)在完成時(shí)的構(gòu)成

（一）肯定式Ihaveenteredlotsofspeakingcompetitions.hashave主語(yǔ)＋助動(dòng)詞have／has＋過(guò)去分詞＋其它說(shuō)明：這里的have／has是助動(dòng)詞，沒(méi)有什么具體意義。當(dāng)主語(yǔ)是第三人稱(chēng)單數(shù)時(shí)助動(dòng)詞用_____，其余人稱(chēng)一律用______。has，have的縮略式分別為's或've。EXERCISES:1）I______just_______allthenewwords．我剛抄寫(xiě)了所有的生詞。(表示不要再抄了)2）She__________herbooks．她丟失了她的書(shū)。（表示到目前為止還沒(méi)有找到）3）We______just________theclassroom．我們剛好打掃了教室。（表明現(xiàn)在教室是干凈的）havecopiedhaslosthavecleaned(如果用過(guò)去時(shí)：Shelostherbooks則強(qiáng)調(diào)書(shū)是過(guò)去丟的這一動(dòng)作，而不知現(xiàn)在有沒(méi)有找到)TeamracingActivityTwoteamshavearace.Theteamthatfirstgivesacorrectsentencegetsonepoint.SpeakingPracticeIReady?I/He/Shehave/has…winsomeprizeshaveaWesternmealenterasingingcompetitiontravelbytraincookdinnerforyourparents（二）否定式IhavenotvisitedtheUSA.have／hasnothaven’thasn’tsome，alreadyanyyet主語(yǔ)＋助動(dòng)詞have／has＋not＋過(guò)去分詞＋其它說(shuō)明：現(xiàn)在完成時(shí)構(gòu)成否定句時(shí)，只需在助動(dòng)詞___________后面加_____就行。havenot，hasnot的縮略式分別為_(kāi)________,_________。另外，肯定句中有________________時(shí)，改為否定時(shí)要分別改成_______,________。EXERCISES:將下列句子改為否定句1）Ihavealreadycopiedallthenewwords．2）Shehaslostherbooks．3）Wehavecleanedtheclassroom．I_____________allthenewwords______．haven’tcopiedyetShe_______________herbooks.hasn’tlostWe_______________theclassroom．haven’tcleaned有時(shí)not可以用never代替，表示“從來(lái)沒(méi)有”的意思I_______________himbefore.我以前見(jiàn)過(guò)他。I___________________himbefore.I___________________himbefore．以前我從來(lái)沒(méi)有見(jiàn)過(guò)他。haveneverseenhaveseenhaven’tseenTeamracingActivityTwoteamshavearace.Theteamthatfirstgivesacorrectsentencegetsonepoint.SpeakingPracticeⅡReady?Ican’tplaycomputergamesnow,becauseIhaven’t…finishsweephavepractisereadwaterwash（三）一般疑問(wèn)式Haveyoueverwonanyprizesbefore?句首any,yetYes，主語(yǔ)＋have／has．No，主語(yǔ)＋haven’t／hasn’t．有時(shí)也可以用“No，notyet．／No，never．等。助動(dòng)詞Have／Has＋主語(yǔ)＋過(guò)去分詞＋其它？說(shuō)明：把陳述句中的have或has放到_____，句末打問(wèn)號(hào)，同時(shí)把句中的some，already改為_(kāi)____________就構(gòu)成了一般疑問(wèn)句?？隙ɑ卮鹩梅穸ɑ卮鹩肊XERCISES:將下列句子改為一般疑問(wèn)句1）Ihavealreadycopiedallthenewwords．2）Shehaslostherbooks．3）Wehavecleanedtheclassroom．_____you_______allthenewwords____?Havecopiedyet______she_________herbooks?Haslost_______you________theclassroom?HavecleanedNo,___________/____________.Ihaven’tnotyetYes,____________.shehasTeamracingActivityTwoteamshavearace.Theteamthatfirstgivesacorrectsentencegetsonepoint.SpeakingPracticeⅢReady?根據(jù)所給圖片和提示詞Havetakenphotosofstoneanimals_______youever_____________________________?Yes,__________________ever,take,photosstoneanimalsIhaveHasbeentothePalaceMuseumbybus_______Tom_______________________________?No,______________________________.be,bybusthePalaceMuseumhehasn’t./never./notyetgo;bybike_______they_____________________________________?No,_______________________________.HavegonetoHongKongDisneylandbybikeHongKongDisneylandtheyhaven’t./notyet______youruncle___________________________?Yes,__________________.ride;beforeHasriddenacamelbeforeacamelhehasPairworkA:Haveyou…?B:Yes,Ihave./No,...I’venever…A:Whatelsehaveyou…?B:I’ve…Completethepostcard.UsethelistofThingstodoinBeijingtohelpyou.seetheBeijingOpera√climbtheGreatWall×eatBeijingduck√visitthePalaceMuseum√writingDearDavid,I’mhavingawonderfultimeinBeijing.I’vedonesomanythings!I’ve__________________________________________________________________________There’sonlyonethingIhaven’tdone:_____________________________________Byefornow.RobseentheBeijingOpera.I’veeatenBeijingDuck.I’vevisitedthePalaceMuseum.Ihaven’tclimbedtheGreatWall.堂堂清選擇正確答案1）--WhenwillTinaarrive?

---Oh,she_____.Sheisinthemeetingroomnow.AarrivesBisarrivingCarrivedDhasarrived2)–Yourshoesaresoold.Whydon’tyoubuyanewpair?--BecauseI____allmymoneyonanMP5.

AspendBhavespentCamspendingDwasspending

3)---Whereareyougoingforyourholiday?---Well,we____yet.Ahaven’tdecidedBhadn