初中语法-现在完成时课件.ppt

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1、语法课堂上一页现在完成时下一页主菜单同学们好！今天我们介绍的英语语法知识是时态中的现在完成时。现在完成时是中考考纲要求的五种基本时态之一，要求同学们必须掌握并熟练运用。这种时态的动词变化，基本用法，时间状语，特殊结构等要点与其他四种时态相比要有一定的难度，希望同学们重视并且能够从下面的介绍中获得帮助。present(now)futurepast现在完成时(presentperfecttense)domyhomework现在完成时主菜单上一页下一页现在完成时的构成现在完成时的主要用法现在完成时的时间状语短暂性动

2、词与时间段的关系havebeen与havegone比较与一般过去时的用法比较现在完成时的构成主菜单上一页下一页have(has）+过去分词过去分词的构成上一页下一页Typeoriginalp.tp.pcutcutcuthit(撞击)hithitcostcostcosthurthurthurtPut(放)putputreadreadreadAAA主菜单meetmetmetkeepkeptkeptmakemademadebringbroughtbroughtbuyboughtboughtthinkthoughtt

3、houghtteachtaughttaughttelltoldtoldlendlentlentspendspentspentfindfoundfoundhearheardheardbuildbuiltbuiltABBbeginbeganbegunsingsangsungdrinkdrankdrunkswimswamswumspeakspokespokenchoosechosechosenknowknewknownforgetforgotforgottenbreakbrokebrokendrivedrovedr

4、ivengivegavegiveneatateeatenwritewrotewrittenABCseesawseengowentgonetaketooktakenrideroderiddenwakewokewakengrowgrewgrowndrawdrewdrawnhidehidhiddenABC写出下列动词的过去式及过去分词。1leave-________-_______2catch-________--________3tell-________--_________4stand-______--___

5、___5get-_______--________6hurt-________--_________7put-_______--_________8come-_______--________9run-________--_________10begin-________--_________11swim-_________--________12draw-_________--_________13know-________--__________14do-_______--________15go-___

6、____--_________16give-_______--_______17see-_______--________18drive-_______--________19take-______--_______20be-________--________21eat-_____--______22write-_______--______23speak-______--________24steal-_______--________25tear-_______--________leftleftcau

7、ghtcaughttoldtoldstoodstoodgotgothurthurtputputcamecomeranrunbeganbegunswamswumdrewdrawnknewknowndiddonewentgonegavegivensawseendrovedriventooktakenwas,werebeenateeatenwrotewrittenspokespokenstolestolentoretornPleaserememberthem.Homework:抄写动词以及过去式和过去分词。1.be

8、--2.come—3.go--4.do—5.have--6.drink—7.give--8.eat–9.know--10.make—11.run--12.say—13.see--14.find—15.draw--16.get—17.hear--18.begin—19.buy--20.leave—was/were--beencame--comewent--gonedid--donehad-haddra