分词分词的分类•过去与现在分词的功能•句子的成分作用分词doingdone分词的意义:1.从语态角度来看,现在分词表示主动,过去分词表示被动。(不及物动词除外)TheboystandingatthegateisTom.Thebridgebuiltin1900hascollapsed.从时态角度上看,现在分词表示正在发生,过去分词表示动作的完成。fallingsnowfallensnowthesinkingshipthesunkship现在分词构成形式主动形式被动形式一般形式doingbeingdone完成形式havingdonehavingbeendone过去分词:done现在分词和过去分词的区别正在进行beingdone被动done过去完成ThetowerbuiltbythemThetowerbeingbuiltbythemThetowerbuiltbythem.(sample)Thetowerhavingbeenbuiltbythem.Thebridgebuiltin1900hascollapsed.Thebridgehavingbeenbuiltin1900hascollapsed.完成完成havingdonedone主动被动__________manytimes,shestillcan’trememberit.A.hadtoldB.havingbeentoldC.havingtoldD.beingtold______fullpreparations,wedecidedtoputoffthemeetingtillnextweek.A.WedidnotmakeB.havingnotmadeC.WehadnotmadeD.nothavingmadewritteninahurry,__________A.PetermademanymistakesinthepaperB.TherearemanymistakesinthepaperC.WefoundsomemistakesinthepaperD.Thepaperisfullofmistakes.