内容正文:
构词法
英语中很多单词的构成形式是有规律的,掌握单词的构成规律有助于理解和记忆词汇。英语构词法主要有三种:合成、派生(前缀,后缀)和转化。
1.合成法:由两个或两个以上的词合成一个新词,这种构词法叫作合成法。
合成名词:classroom, boyfriend, basketball, schoolbag, blackboard
合成形容词:worldwide, man-made, warm-hearted, good-looking, well-known
合成副词:however, whenever, somewhere, downstairs
合成代词:everything, somebody, anything, something, nothing
合成介词:within, without, into, onto
合成动词:overcome
合成数词:fifty-four
2.派生法:在一个单词前面或后面加上一个词缀构成新词,这种构词法叫作派生法。加在单词前的词缀叫前缀,加在后面的词缀叫后缀。
(1)前缀:
un-(不、非,表示否定):unfriendly, unpleasant, uncomfortable, unhappy, unusual
dis-(不、非,表示否定):discover, disagree, disappear
im-(不、非,表示否定):impossible, impolite
in-(不、非,表示否定):invisible
il-(不、非,表示否定):illegal
mis-(不、非,表示否定):misunderstand
bi-(两个、双边的):bicycle
inter-(相互、交叉、在一起):interview, international, Internet
re-(又、再、重新):rewrite, return, review, retell
tele-(远):telephone, television
en-(使成为):enable, enjoy
(2)后缀:
①名词后缀:
-or/-er(从事某种职业的人):actor, visitor, director, singer, runner, worker, teacher
-ist(人):artist, scientist, tourist, pianist
-e