过去分词ppt教学提纲.ppt

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1、过去分词pptI.过去分词的构成Readthefollowingwordsandconsiderhowarepastparticiplesformed?finish-finishedknow-knowncomplete-completedfall-fallenimagine-imaginedforget-forgotten规则动词的过去分词直接在动词词尾加上或，不规则动词的过去分词有不规则的变化，需要单独记忆。-ed-d1.规则动词的过去分词：1)一般情况在动词原形后加-edwatch---watched2)以不发

2、音e结尾的加-dpractice---practiced3)以辅音加y结尾的，去y变i加-edstudy---studied4)以重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加-edstop---stopped2.不规则动词的过去分词：amisarebeenhavehashaddodonewritewrittengogoneⅡ.过去分词本身的含义ReadthefollowingphrasesandtranslateintoChinese.anorganizedtripprintedfilesanunk

3、nownplantabrokencupafallentreearisensun及物动词的过去分词含有和的意思，不及物动词的过去分词仅表示。被动完成完成Ⅲ.过去分词的用法Readthefollowingsentencesandanalyzethefunctionsofthepastparticiplesinthesentences.1.Ihavefinishedallmyhomework.2.Myhomeworkwasfinishedanhourago.过去分词与have,has，had等助动词连用构成,在句子中做谓

4、语动词；过去分词与be动词连用，构成，在句子中做谓语动词。完成时态被动语态教育What’sthedifference？现在分词过去分词Thewaterisboiling.Thedogisbarking.Thedogisinjured.时间语态She’sdrinkingboiledwater.IfIhadthechance,Iwouldhaveababy____________.1.IfIhadthechance,Iwouldhavea______(clone)baby.clonedwhoisclonedclone

5、B.tocloneC.cloningD.cloned一、过去分词作定语Ⅰ.Finishthefollowingexercises.2.Theytookthewomanwhowasinjuredtothehospitalatonce.Theytookthe______________tothehospitalatonce.injuredwoman规律（1）：3.译：我们的书店只卖用过的书。Weonlysell___________inourbookstore.usedbooks单个的及物动词-ed形式作定语往往置于被

6、修饰词____(前/后)，表示_____________(主动/进行/被动/完成)意义，可改写成动词用________(主动/被动)形式的__________。前被动被动或完成定语从句*过去分词短语作定语，置于被修饰词的后面，同样可改成定语从句。1.Ithinkthescientificadvancesmentionedinyourarticleareinteresting._____________________________________________________________________

7、_______________3.译：由一名中学生写的这个故事在学校中很流行。Thestorywritten/whichwaswrittenbyamiddleschoolstudentispopularinschools.Ithinkthescientificadvances_________________inyourarticleareinteresting.thatarementioned__________________________________________2.Heisateacherlove

8、dbyallhisstudents.Heisateacherwhoislovedbyallhisstudents.2.Readandcompare①a.Hedidn’ttakepartinthesportsmeetingheldlastterm.b.Onthegroundtherewasafallentree.②a.Asleepingmanissitting