形容词后缀1.-able,-ible加在动词后面avoidable,understandable,readable,visible,sensible,possible,flexible,countable,deceivable2.-ern表示方向eastern,northern,southern,western3.-ical加在名词后面economical,historical,political4.-ive由动词构成形容词relative,sensitive,imaginative,imitative,repetitive,reproductive5.-ous表示具有…的、有…特性的。continuous,various,mountainous,vigorous,generous,tremendous,previous6.-ed加在名词后面,构成形容词aged,cultured,skilled,talented,wretched,surrounded7.-ing加在动词后面,构成形容词encouraging,exciting,interesting,amazing8.-less加在名词后面,构成与之反义的形容armless,boundless,countless,faithlesshelpless,hopeless,powerless,useless,careless9.-y加在名词后luckysaltywindycloudy10-al表示有…的属性regional,natural,special,spinal,central,terminal,typical,digital,temporal11.–some加在形容词后,构成形容词gladsome,tiresome,lonesome,troublesome12.-ious,-uous,-eous构成形容词various,continuous,courageous13.-ful表示富有……的,充满……的“powerful,peaceful,shameful,helpfulforgetful,beautiful,hopeful1.-en加在名词、形容词后面blacken,broaden,deepen,fasten,harden,thicken2.–ify加在名词、形容词后面beautify,electrify,modify,purify,identify3.-ize,-ise,-yseAmericanize,analyze,democratize,modernize,popularize4.en-放在形容词前面enrich,enable,enlarge动词后缀/前缀掌握一些英语构词法,对单词的记忆和理解有很大的帮助,下面笔者列举一些常用的词缀和词根。常见的前缀1.表示否定意义的前缀1)纯否定前缀dis-加在动词、形容词之前dislike,discover,disappear(消失),disarm(解除武装),disconnect(失去联系),disagree,dishonest,dissatisfied,dishonorablein-,加在形容词,名词之前incorrect(不正确的),inability(无能,无力),inaccurate(不准确的),incapableil-,放在l开头的形容词前illegal非法的illiterate不识字的illogical不合逻辑的illimitable无限的im-,加在字母m,b,p之前impossible(不顺能的),impolite(不礼貌的),impudence(厚颜无耻),immoral,Ir-,加在以r开头的词前,irregular,irrational不合理的,irrelative无关的,irresolute无决断力的,irrefutable无可反驳的irresistible不可抗拒的non-,加在形容词,名词前nonsense,non-existence(不存在),non-essential(不主要的),non-electrical(非电的)3)表示反动作的意思un-加在动词前,unload,uncover2)表示错误的意义mis-加在动词、名词之前mistake,mislead,misunderstand(误解)misjudge(误判),misfortune(不幸)un-加在名词,形容词,副词之前unable,unemployment,unfinished(未完成的)undoubted(无疑的),unemployment(失业4)表示相反,相互对立意思anti-,加在名词、形容词之前antiknock(防震),antiforeign,(排外的),anti-Japanese(抗日的),anti-social(厌恶社会的,反社会的),anti-virus2.表示空间位置,方向关系的前缀over-,表示“在上面,在外部,向上”overlook,overhead,overboardpre-,表示在前”在前面”prefix,preface,prepositionsub-,suc-,suf-,sug-,sum-,sup-,sur-,sus-,表示“在下面,下”subway,submarine,suffix,suppress,supplementunder-,表示“在…..下面,下的”underline,underground,underwaterup-,表示“向上,向上面,在上”upward,uphold,uphill(上坡)