一、常见的词根, abil=able能够ability，able，disable，enable,=do 做Actor, actress, activity, action, active, actual, actually, exact, react,3. Art=art艺术Art, article, artist,4. cept, ceive, cip, cup=hold抓住accept, except, receive, receipt, principal,, circle=circle圈Bicycle, recycle, circus,=write写Diction(措辞),prediction, dictionary, dictation,, duc=say说Educate, education, reduce, conduct,=catch捉住Offer, infer, different, difference, prefer, suffer, =flow流动Fluent, fluency, influence, fly, flight, fort=strongForce, forceful, effort, comfortable, discomfortable, before=shape形状Formal, inform, information, reform, transform, uniform, perform, performance,=step, grade阶段Grade, graduate, gradual, centigrade,, gram=write,写Photograph, telegraph, program, diagram14. grat, gree=pleasing,满意Gratitude, grateful, grace, agreement, disagree, 15. Hap=chance机会Perhaps, happen, happy, happiness,, lig=choose, gather,收集Collect, collection, elect, neglect, select,=sigh, 标记Marked, remark, landmark, bookmark,=memory记忆Memory, memorize, remember,, port=part, divide,分割Apartment, depart, department, partner,=pass through通过Passage, passenger, passport,, pens=hang悬挂Depend, independent, spend,,=point, make sharp, 尖，尖端pointed, pointer, appoint, appointment, disappoint, =state, city城市，地区，国家Police, policy, politics,, publ=people人们Population, popular, public, publish,=press按压Pressure, compress, express, expression, impressive, , quir, quis, quer=seek, search,搜索Quest, inquest, question, request, conquer,=salt盐Salt, salty, salad, salary,二. 常见的前缀否定 ,dishonest, dislike, disappear,, n-,否定none, neither, never,3..un-否定unable, unemployment, unhappy, unlucky,错误,mistake, mistook, mistaken, mislead, missing, misunderstand,在…之上,向…”aboard, aside, above, aback, abroad,, 表示“在内，进入”enter, entrance, enjoy, enrich, environment, envelope,, 表示“外部，外”exit, expand, export, except, experience,,表示“在……间，相互”international, , internet,10.表示“中，中间”midnight, midsummer, midnight, midsummer, 表示“在上面，在外部，在外”outline, outside, outward, outdoor,, 表示“在上面，在外部，向上,超过”overlook, overhead, overboard, overeat, oversleep, , 表示“在前，事先，预先”prewar, prehistory, prediction, preface, prepare, prefer, refer,, sur-,表示“在…..之上”surface, supermarket, superman, superstar,, 表示“在…..下面，下的”underline, underground, underwater, 表示“向上，向上面，在上”upward, uphill(上坡)upstairs,, 表示“在前面，先前，前面”forecast, foretell forehead, foreground,, 表示“再一次，重新”retell, rewrite, repeat, renew, recite,表示“完整，完全”alone, almost, overall, already, also, always,21. tele-, 表示“远离”television, telephone，telegraph,横过，贯通transport, translate, transportation,, 变成动词enable, enrich，enjoy, encourage,,表示“二，两，双”twin, twenty, two, twelve, twelfth,,表示"千，千分之一kilometer，kilogram, “声，音调”phone, phonograph三. 常见的后缀, -ian,…地方的人American,, 表示"从事某种职业的人, 某地区人" 比较级banker, observer, Londoner, villager, nicer, smaller, , 表示"…国人，”Japanese, Chinese, 阴性人称名词，actress, hostess, waitress,, …地方人，信仰….教的人，从事…职业的人Christian, musician, Australian,, 表示"从事…研究者，信仰…主义者"pianist, dentist, artist, chemist, 表示"…者"author, doctor, operator, actor,, 表示"状态，行为，身份及其结果，总称" courage, encourage, shortage, , marriage, message, cabbage, , 表示"等级，领域，状态" freedom, kingdom, wisdom, 表示"行为，性质，状态" notice, service,11-ion, -sion, -tion, "行为的过程，结果，状况" action, solution, conclusion, expression, correction , 表示"行为，状态，过程，手段及其结果treatment, movement, judgment, punishment, argument, instrument, equipment, statement,, 表示"性质，状态，程度"goodness, kindness, , friendliness , 情况，性质，技巧，技能及身份，职业hardship, membership, friendship, 表示"动作，性质，过程，状态"depth, wealth, truth, length, growth, "行为，结果",pressure, failure, future,,人和事物总和neighborhood, womanhood, childhood,18. -ly, …地（变副词）possibly, swiftly, simply, carefully, clearly, 能的suitable, comfortable,, 的 natural, additional, educational, final,,具有性质的touching, interesting, boring, exciting, surprising, -ing,动作过程结果"building, writing, handwriting,, 的foolish, , selfish, foolish,, 的active, impressive, native,, 的beautiful, wonderful, helpful, helpful,, 的dangerous, generous, various, famous, serious, delicious,, 方向的eastern, western, southern,, 方向downward, forward，upward, 十几thirteen, fourteen,几十fifty, sixty，forty，, 第几fourth, fiftieth, fortieth.,人Roman, European, American, Australian,, 人或的English, Spanish, Spanish,, 最高级highest, tallest, highest, smallest,34-less, 表示否定，countless, careless, fearless,。