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1、Unit1Greatscientists过去分词作定语、表语过去分词的基本特点：1.从语态上讲：过去分词一般表被动。2.从时态上讲：过去分词表示已经完成的动作；Grammar一、过去分词作定语1、单个的过去分词作定语时一般兼有被动和完成的意义，常作前置定语。eg：alostanimal一只丢失/迷路的动物ausedstamp一枚用过的邮票一个受伤的手指一枚破损的硬币一支点燃的蜡烛aninjuredfingerabrokencoinalightedcandle注意：过去分词作定语时，有时只有被动意义。e.g.:spokenEnglishwrittenexercises英语口语书面
2、练习少数表示位移或状态改变的不及物动词的过去分词只有完成的意义fallenleavestherisensunthedevelopedcountries一个醉鬼一名退休教师一名逃跑的囚犯adrunkenmanaretiredteacheranescapedprisoner落叶升起来的太阳发达国家2、过去分词短语作后置定语，表示被动或完成意义。e.g.：HowIregrettedthehourswastedinthewoods!e.g.：Ilikewearingclothesmadeofthiskindofcloth．e.g.：ThebookswrittenbyMoYanarepo
3、pular．e.g.：We’llgotovisitthebridgebuilthundredsofyearsago．结论：以上的短语都带有过去分词，这些过去分词都是充当定语，而且我们都可以用定语从句来改写以上短语。Mostoftheguestsinvitedtothepartywereherclassmates.Exercises:把后置定语换成定语从句1.Thegirldressedinredismysister.=Thegirlwhoisdressedinredismysister.2.Fatherbeatthesonlostintheon-linegames.=Fathe
4、rbeatthesonwhowaslostintheon-linegames3.Thisproject,whichwasdesignedbytheChineseengineers,wasconstructedinonlytwoyears.=Thisproject,designedbytheChineseengineers,wasconstructedinonlytwoyears4.Thecastle,whichwasburntdowninthesixteenthcentury,wasneverrebuilt.=Thecastle,burntdowninthesixteenthc
5、entury,wasneverrebuilt.把定语从句换成后置定语boilingwaterboiledwaterthechangingworldthechangedworldtherisingsuntherisensunV-ing与V-ed作定语的区别（2）正在沸腾的水已经烧开的水正在发生变化的世界已经变化了的世界正在升起的太阳升起了的太阳V-ing表动作正在进行，V-ed表动作已经完成二过去分词作表语Shelookedworried.Iaminterestedinthebook.Hewaslostinthought.Thedoorremainedlocked.Theygot
6、marriedfiveyearsago.Thestoryisexciting.Youareexcitedwhenyoureadit.___———______——过去分词作？___系动词的分类：“似乎类”：“感觉类”：“变成类”：“仍然类”：基本形式：be(am,is,are)seem,appear,lookfeel,sound,smell,tastebecome,go,get,grow,fall,turnremain,continue,stay,keep有的已成为固定搭配：becoveredwithbelostinthoughtbecaughtintherainbesepara
7、tedfrombeinterestedinbeabsorbedin被……覆盖陷入沉思被雨淋从……分离对…感兴趣专心致志于…Practicemakesperfect!Whathesaidwas__________(encourage).Wewere______________(encourage)atwhathesaid.Thefootballgameisvery_______(bore).Wewere_______(bore)atthefootballgame.V-ing与V-ed作表语的区
