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,Word Formation,英语构词法(Word Formation),掌握一些英语构词法,对单词的记忆和理解有很大的帮助,下面我们将列举一些常用的构词法: 1. 合成(Compounding) 2. 转化(Conversion) 3. 派生(Derivation),1. 合成(Compounding) 由两个或更多的词合成一个词,有的用连字符号”-”连接,有的直接连写 在一起. eg: wood(木)cut(刻)woodcut(木刻) man(人)kind(种类)mankind(人类) air(空气,空中)sick(恶心的,晕的) airsick(晕机的) merry-go-round旋转木马 up-to-date最新的 life-size与真人一般大,2. 转化(conversion) 由一种词类转换成另一种词类。 (即一般拼写不变,但是词类发生了变化, 有时发音也变化) e.g. water n. 水 - water v. 浇水 dirty adj. 脏的- dirty v. 弄脏 e.g. He went in and sat down. The army downed a plane.,3.派生(Derivation) 由一个词根加上前缀或后缀构成 另一个词. 1)后缀(suffix) 名词后缀 -or actor sailor -ist scientist -ment achievement movement -(a)tion preparation exception -y difficulty discovery,形容词后缀 -ful useful cheerful -able comfortable enjoyable -ed manned cultured -less careless fearless -ive active decisive -an European Indian,动词后缀 -ize realize modernize -en widen strengthen,副词后缀 -ly really extremely -ward backward eastward,数词后缀 -teen fourteen fifteen -ty forty fifty -th ninth twelfth,2)前缀(prefix) 一般不造成词类的转变,只是引起 意思的变化 e.g. un-(不,或做相反动作) unhappy undo im-(不) impossible impolite re-(重新) retell rewrite mis-(错误的) misunderstand 个别前缀会引起词类的变化 e.g. en-(使得) endanger enlarge a- asleep awake,Discovering useful structure (page36),Lets fill in the forms of Part 2 and Part 3 with the correct words. Then tell me which type of word formation they show us.,More exercise (Page 71),1.Finish the exercises paper. 2.Review,Homework,同学们,来学校和回家的路上要注意安全,同学们,来学校和回家的路上要注意安全,
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