背单词的捷径——构词法.ppt

构词法 派生法合成法转换法 派生法 un employ ment失业 失业率prefix前缀root词根suffix后缀im mature ly不成熟地英语词根 派生法 后缀 一 构成名词的常用后缀er or ist ee ian ese ant 表人或物的名称 例如 thinker guesser translator interpreter conductor physicist dentist employee trainee physician Italian Japanese assistant 派生法 2 ance ence a tion sion ics ing ity ment ness th ty ure ship 表行为 性质 状态等的抽象名词 例如 acceptance assistance dependence confidence repetition preparation discussion division physics fabrics building wedding settlement reality ability argument greatness hardness warmth length safety penalty failure pressure friendship leadership 派生法 二 构成形容词的常用后缀able ible al ful less ish ive ous an ic ly y ant ent ary en 例如 available suitable responsible permissible natural national powerful faithful fearless useless selfish childish collective decisive famous continuous American European historic scientific friendly lively thirsty noisy significant pleasant dependent consistent secondary imaginary golden wooden 派生法 三 构成副词的常用后缀ly ward wise 例如 terribly regularly homeward eastward otherwise likewise 四 构成动词的常用后缀ize en ify 例如 realize modernize widen strengthen verify modify 派生法 前缀 表示相反意义的前缀un dis in im ir il de 例如 unhappy uncomfortable unload uncover dislike disagree informal inaccurate irregular irresponsible illegal illogical decode devalue 派生法 2 表示其他意义的前缀re mis anti ex pre post fore self super sub inter trans ultra semi vice uni bi multi auto 例如 retell reform misunderstand mistrust anti war anti social ex president ex boyfriend preheat prepare post war postgraduate foresee forecast self control self important supermarket superman subdivide subway interconnection interact transport translate ultraviolet ultrasonic semi final semiconductor vice premier vice ch