一、常见的词根
1.able, abil=able能够
ability，able，disable，enable,
2.Act=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,
5.Cycle, circle=circle圈
Bicycle, recycle, circus,
6.Dic=write写Diction(措辞),
prediction, dictionary, dictation,
7.Duct, duc=say说
Educate, education, reduce, conduct,
8.Fer=catch捉住
Offer, infer, different, difference, prefer, suffer,
9.Flu=flow流动
Fluent, fluency, influence, fly, flight
10.Fore, fort=strong
Force, forceful, effort, comfortable, discomfortable, before
11.Form=shape形状
Formal, inform, information, reform, transform, uniform, perform, performance,
12.Grad=step, grade阶段
Grade, graduate, gradual, centigrade,
13.Graph, gram=write,写
Photograph, telegraph, program, diagram
14. grat, gree=pleasing,满意
Gratitude, grateful, grace, agreement, disagree,
15. Hap=chance机会
Perhaps, happen, happy, happiness,
16.Lect, lig=choose, gather,收集
Collect, collection, elect, neglect, select,
17.Mark=sigh, 标记
Marked, remark, landmark, bookmark,
18.Memor=memory记忆
Memory, memorize, remember, 
19.Part, port=part, divide,分割
Apartment, depart, department, partner,
20.Pass=pass through通过
Passage, passenger, passport,
21.Pend, pens=hang悬挂
Depend, independent, spend,
22.Point,=point, make sharp, 尖，尖端
pointed, pointer, appoint, appointment, disappoint, 
23.Police=state, city城市，地区，国家
Police, policy, politics,
24.Popul, publ=people人们
Population, popular, public, publish,
25.Press=press按压
Pressure, compress, express, expression, impressive,
26.Quest, quir, quis, quer=seek, search,搜索
Quest, inquest, question, request, conquer,
27.Sal=salt盐
Salt, salty, salad, salary,
二. 常见的前缀
1.dis-否定 ,
dishonest, dislike, disappear, 
2.ne-, n-,否定
none, neither, never,
3..un-否定
unable, unemployment, unhappy, unlucky,
4.mis-错误,
mistake, mistook, mistaken, mislead, missing, misunderstand,
5.a-在…之上,向…”
aboard, aside, above, aback, abroad,
6.en-, 表示“在内，进入”
enter, entrance, enjoy, enrich, environment, envelope,
7.ex-, 表示“外部，外”
exit, expand, export, except, experience,
8.inter-,表示“在……间，相互”
international, 9.interaction, internet,
10.表示“中，中间”
midnight, midsummer, midnight, midsummer
12.out-, 表示“在上面，在外部，在外”
outline, outside, outward, outdoor,
13.over-, 表示“在上面，在外部，向上,超过”
overlook, overhead, overboard, overeat, oversleep,
14.pre-, 表示“在前，事先，预先”
prewar, prehistory, prediction, preface, prepare, prefer, refer,
15.super-, sur-,active词根词缀表示“在…..之上”
surface, supermarket, superman, superstar,
16.under-, 表示“在…..下面，下的”
underline, underground, underwater
17.up-, 表示“向上，向上面，在上”
upward, uphill(上坡)upstairs,
18.fore-, 表示“在前面，先前，前面”
forecast, foretell forehead, foreground,
19.re-, 表示“再一次，重新”
retell, rewrite, repeat, renew, recite,
20.al- 表示“完整，完全”
alone, almost, overall, already, also, always,
21. tele-, 表示“远离”
television, telephone，telegraph
22.trans-,横过，贯通
transport, translate, transportation,
23.en-, 变成动词
enable, enrich，enjoy, encourage, 
24.twi-,表示“二，两，双”
twin, twenty, two, twelve, twelfth,
25.kilo-,表示"千，千分之一
kilometer，kilogram
26.phon-, “声，音调”
phone, phonograph
三. 常见的后缀
1.-an, -ian,…地方的人American,
2.-er, 表示"从事某种职业的人, 某地区人" 比较级
banker, observer, Londoner, villager, nicer, smaller,
3.-ese, 表示"…国人，”
Japanese, Chinese
4.-ess, 阴性人称名词，
actress, hostess, waitress,
5.-ian, …地方人，信仰….教的人，从事…职业的人
Christian, musician, Australian,
6.-ist, 表示"从事…研究者，信仰…主义者"
pianist, dentist, artist, chemist
7.-or, 表示"…者"
老师一边说，一边写。author, doctor, operator, actor,
8.-age, 表示"状态，行为，身份及其结果，总称" courage, encourage, shortage, , marriage, message, cabbage,
两点水：冷、净、凉9.-dom, 表示"等级，领域，状态" freedom, kingdom, wisdom
10.-ice, 表示"行为，性质，状态" notice, service,
11-ion, -sion, -tion, "行为的过程，结果，状况"
名（有名）（出名）（名字）（成名）（名气）action, solution, conclusion, expression, correction
12.-ment, 表示"行为，状态，过程，手段及其结果
treatment, movement, judgment, punishment, argument, instrument, equipment, statement,
13.-ness, 表示"性质，状态，程度"
很红很红的苹果  很多很多的小鸟    很美很美的花儿goodness, kindness, , friendliness
14.-ship, 情况，性质，技巧，技能及身份，职业hardship, membership, friendship
15.-th, 表示"动作，性质，过程，状态"
depth, wealth, truth, length, growth
16.-ure, "行为，结果",
pressure, failure, future,
17.-hood,人和事物总和
neighborhood, womanhood, childhood,
18. -ly, …地（变副词）possibly, swiftly, simply, carefully, clearly

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