构词法Word-formation构词知识有助于记忆单词,扩大词汇量,借助词的结构形式,判定词在句子中的意义和作用,正确理解句子。英语里构词能力最强的是词缀法,转化法和合成法。词缀法(affixation)词缀法是在词根(base,root)前加前缀(prefix)或在词根后加后缀(suffix)构成新词的构词方法。加前缀的特点是改变词的意义,但一般不改变词根的词性。Somenegativeprefixes:honest---dishonestcorrect---incorrectsmoker---non-smokerlock---unlockpossible---impossiblelogical---illogicalregular---irregularOtherprefixes:micro:smallmicrobus,micorsoftpre:beforepreview,prefixsuper:greaterthansupermarketpost:afterpostgraduatesub:under,behindsubwaytrans:acrosstranslate,transportinter:mis:wrongly,hatemistake,misunderstandsomesuffixes:--er,or:one,whodoctor,predictor--ist:one,whoartist,scientist---fy:makesimplify,purify--able,ble,ible:capableofflexible--tion,sion,ment,ness,translation,permission,movement,darkness---shipfriendship,hardship---hoodchildhood,manhood
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