资源描述：
《现在完成时_the_present_perfect_tense学案》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、现在完成时ThePresentperfectTense一、现在完成时：用来表示过去发生或已经完成的动作对现在造成的影响或过去的动作从过去延续到现在。l 现在完成时的句型结构：have(has)+PP（过去分词）。l 规则动词的过去分词构成与过去式相同，不规则动词需要特殊记忆。Exercise1：写出下列动词的过去式、过去分词。动词的过去式、过去分词的构成：①__________________________________②_____________________________
2、_____③__________________________________④不规则动词特殊记。finish_________________________play__________________________cry___________________________carry_________________________stop__________________________fly___________________________have_______________________
3、__Exercise2：1.I______Englishinthisschoolsince1999.A.havetaughtB.haveC.teaD.wouldteach2.LiLei________thepenforfiveyears.A.hashadB.hasboughtC.havehadD.havebought3.Kate________hergrandmother’sphotobefore.A.haven’tseenB.haveseenC.seeD.hasn’tseen4.________Mary___
4、________youthesedays?A.Has,seenB.Do,seeC.Did,seeD.hasn’tseen5.Sofar,we__________thousandsofbuildinginBeijing.A.buildB.havebuiltC.builtD.willbuild二、现在完成时的含义之一表示过去发生或已经完成的动作对现在造成的影响，常与never/ever,just,already/yet,before,sofar等连用。1.以already,just,yet为标志：already,j
5、ust,yet表示到现在为止动作或状态已经、刚刚或还没发生。eg.⑴Hehasalreadyfinishedhishomework.⑵Hehasjustfinishedhishomework.⑶Hehasn’tfinishedhishomeworkyet.2.以ever/never为标志：everever标志到现在为止动作或状态曾经或从来没有发生过。ThisisthebestfilmIhaveeverseen.HehasneverbeentoBeijing.3.以动作发生的次数为标志：若某一动作到目前为止已
6、经发生若干次，则要用现在完成时态。HesayshehasbeentoShanghaithreetimes.4.以sofar为标志：往往表示到目前为止动作或状态已经发生。Ihavepassedtheexamsofar.5.never/ever,just,already/yet,before,sofar的用法（略）Exercises21.---Haveyou________traveledonthetrain.---Yes,Ihave.A.neverB.everC.justD.yet2.---Haveyoufini
7、shedyourhousework.---Not,____________.A.everB.alreadyC.yetD.just3.Wehaven’theardhisvoice_____________.A.alreadyB.everC.yetD.just64.---Haveyou________learnedEnglish?---Yes,I’ve________learnedalot.A.never,everB.already,yetC.ever,alreadyD.already,ever5.---Havey
8、oufinishedyourwork__________?----Yes,I’vedonethat____________.A.yet,alreadyB.already,yetC.ever,neverD.still,yet6.John’sfather_________borrowedsomepictures.A.havealreadyB.hasalreadyC.haveeverD.ha
