(完整版)外研版八下M2U3现在完成时

Welcometoourclass!写出下列动词的过去式及过去分词：cleanfinishentervisitcooktravelcopycleanedcleanedfinishedfinishedenteredenteredcookedcookedtraveled/travelledtraveled/travelledcopiedcopied课前延伸visitedvisitedpratisewaterclimbwashwinseehavebefindpratisedpratisedwateredwateredclimbedclimbedwashedwashedwonwonsawseenhadwas/werefoundhadbeenfounddosweepreadlosetakegorideeatdiddonesweptsweptreadreadtooktakenlostlostwentrodeategoneriddeneatenpresentpastThey______________thePyramids.TwoyearsagonowTheysawthePyramids.TheyknowPyramidsverywell

.haveseen现在完成时语法课堂PresentPerfectTense

(1)Ihaveenteredlotsofspeakingcompetitions.I’vewonsomeprizes.(2)Haveyoueverwonanyprizesbefore?(3)IhavenevervisitedtheUSA.past现在完成时(presentperfecttense)present(now)future以上句子的谓语动词有一个共同的特点就是“__________________________”,用于表示____________________________________________________________________如(1);

还可以______________________________，如(2)(3)。我们把这种时态称为“现在完成时”。have/has+动词的过去分词在以前的某个时间曾经做过的、发生的事情,这种行为对目前有某种影响表示到目前为止曾经经历或没经历的事情summary现在完成时的构成

（一）肯定式Ihaveenteredlotsofspeakingcompetitions.hashave主语＋助动词have／has＋过去分词＋其它说明：这里的have／has是助动词，没有什么具体意义。当主语是第三人称单数时助动词用_____，其余人称一律用______。has，have的缩略式分别为's或've。EXERCISES:1）I______just_______allthenewwords．我刚抄写了所有的生词。(表示不要再抄了)2）She__________herbooks．她丢失了她的书。（表示到目前为止还没有找到）3）We______just________theclassroom．我们刚好打扫了教室。（表明现在教室是干净的）havecopiedhaslosthavecleaned(如果用过去时：Shelostherbooks则强调书是过去丢的这一动作，而不知现在有没有找到)TeamracingActivityTwoteamshavearace.Theteamthatfirstgivesacorrectsentencegetsonepoint.SpeakingPracticeIReady?I/He/Shehave/has…winsomeprizeshaveaWesternmealenterasingingcompetitiontravelbytraincookdinnerforyourparents（二）否定式IhavenotvisitedtheUSA.have／hasnothaven’thasn’tsome，alreadyanyyet主语＋助动词have／has＋not＋过去分词＋其它说明：现在完成时构成否定句时，只需在助动词___________后面加_____就行。havenot，hasnot的缩略式分别为_________,_________。另外，肯定句中有________________时，改为否定时要分别改成_______,________。EXERCISES:将下列句子改为否定句1）Ihavealreadycopiedallthenewwords．2）Shehaslostherbooks．3）Wehavecleanedtheclassroom．I_____________allthenewwords______．haven’tcopiedyetShe_______________herbooks.hasn’tlostWe_______________theclassroom．haven’tcleaned有时not可以用never代替，表示“从来没有”的意思I_______________himbefore.我以前见过他。I___________________himbefore.I___________________himbefore．以前我从来没有见过他。haveneverseenhaveseenhaven’tseenTeamracingActivityTwoteamshavearace.Theteamthatfirstgivesacorrectsentencegetsonepoint.SpeakingPracticeⅡReady?Ican’tplaycomputergamesnow,becauseIhaven’t…finishsweephavepractisereadwaterwash（三）一般疑问式Haveyoueverwonanyprizesbefore?句首any,yetYes，主语＋have／has．No，主语＋haven’t／hasn’t．有时也可以用“No，notyet．／No，never．等。助动词Have／Has＋主语＋过去分词＋其它？说明：把陈述句中的have或has放到_____，句末打问号，同时把句中的some，already改为_____________就构成了一般疑问句。肯定回答用否定回答用EXERCISES:将下列句子改为一般疑问句1）Ihavealreadycopiedallthenewwords．2）Shehaslostherbooks．3）Wehavecleanedtheclassroom．_____you_______allthenewwords____?Havecopiedyet______she_________herbooks?Haslost_______you________theclassroom?HavecleanedNo,___________/____________.Ihaven’tnotyetYes,____________.shehasTeamracingActivityTwoteamshavearace.Theteamthatfirstgivesacorrectsentencegetsonepoint.SpeakingPracticeⅢReady?根据所给图片和提示词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.堂堂清选择正确答案1）--WhenwillTinaarrive?

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

AspendBhavespentCamspendingDwasspending

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