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1、Word-formation(构词法)英语主要有三种构词法:1.派生(Derivation):2.合成(Compounding):3.转化(Conversion)①派生(Derivation):②合成(Compounding):③转化(Conversion):通过加前缀或后缀构成另外一个词:e.g.happy--unhappy(加前缀)--happiness(加后缀)由两个或更多的词合成一个词:e.g.wood(木)+cut(刻)----woodcut(木刻)由一个词类转化为另一个词类:e.g.water(n.)水--water(v.)浇水Derivationinvisibled
2、isagreementdishonestyimpossibilitynon-conductorinternationalillogicalreplacementdisappearancemisunderstandingenlargementreconsiderationinteractionunexpectedunforgettableunsuccessfulRemembertheprefix.inter-tele-bio-ex-over-trans-en-mis-re-sub-under-betweenfarbiologyformer/outtoomuchacross/move
3、makewrongagainunderbelowdis-non-il-in-im-un-notwrongtoomuchagainformer/outunderbetweenbelownotfarbiologymakeacross/moveMatchtheprefixwithitsmeaning.dis-non-re-il-sub-under-in-im-inter-tele-bio-ex-over-un-trans-en-mis-Studythemeaningofthewords:internationaltelevisioninvisibleimpossibleillogica
4、lirregulardisappearnonsenseunforgettablereplacemisunderstandenlargebiochemistrysubwayex-wifeundergroundoverworktransportThisdictionaryenablesyoutounder-standEnglishwords.2.Thefencewasstrengthenedwithwire.3.Heinformedusthenewsindirectly.hi-techshowcases展示breakthroughbioengineeringoutstandingen
5、ableindirectlystrengthen前缀例词a-构成形容词﹑副词asleep,abroad,alonedis-disappear,disagreeen-enlarge,enablein-(il-,im-,ir)invisible,illegalinter-international,inter-schoolmis-mistake,misunderstandre-return,remarrytele-telephone,telescopeun-;non-unfit,non-payment(否定)(使可能)(相互,之间)(重复,再)(远程)(不)(误)(不,非)后缀例词名
6、词-er…..者Runner,swimmer-ese….地方的人Chinese,Japanese-ian精通…的人,…地人musician,Russian-ist专业人员artist,pianist-ment性质,状态government,movement-ness性质,状态business,happiness-or….者visitor,professor-ion/-tion表示动作,过程,结果pollution,suggestion形容词:-al;-an;-ern;-ful;-ble;-ish;-ive;-y;-less表示具有…的性质,或与…有关e.g.practical,A
7、merican,southern,possible,active,native,rainy,careless动词:-fy(使…化);-ize(使…成为)e.g.simplify(简化),satisfy,realize,organize副词:-ly表示方式,程度:freely,badly,truly-ward(s)表示方向:towards,forward,outward数词:-teen十fourteen,eighteen-ty整十位数forty,fifty-th序数词fifthCo
