八年级英语寒假复习(一):构词法北京实验版知识精讲

八年级英语寒假复习(一):构词法北京实验版知识精讲
八年级英语寒假复习(一):构词法北京实验版知识精讲

初二英语寒假复习(一):构词法北京实验版【本讲教育信息】

一. 教学内容:

寒假复习(一):构词法

二. 重点、难点

构词法(派生词)

三. 教学目标:

通过本讲的学习,使学生能够掌握一定的构词能力,以扩大学生们的词汇量。

四. 重点知识讲解:

(一)词的派生

1. 派生词多数是由词根加后缀构成的。

1)+后缀→名词

a. –er: worker cleaner maker teacher

b. –or: visitor sailor inventor actor

c. –ist: scientist artist pianist

d. –ess: actress waitress

e. –ee: employee trainee referee trustee

f. –ian: musician Canadian Australian

g. –ness: illness happiness greatness coldness

h. –(a)tion: dictation reparation exception invitation

i. –ment: movement development arguement

j. –ion: discussion revision decision

k. –ing: building feeling painting wedding

l. –ship: friendship relationship scholarship

m. –ence: difference dependence confidence reference

n. –ance: allowance acceptance assistance

o. –th: truth warmth health length

p. –y: modesty difficulty safety

q. –ure: failure pleasure pressure

2)+后缀→形容词:

a. –ful: cheerful useful grateful faithful

b. –less: careless homeless fearless hopeless

c. –ish: Swedish selfish

d. –ive: active collective decisive destructive

e. –ous: dangerous famous continuous courageous various

f. –able: acceptable agreeable forgettable applicable comfortable

g. –ible: sensible responsible permissible possible

h. –y: rainy snowy foggy dirty

i. –some: troublesome burdensome lonesome handsome

j. –al: critical physical chemical medical classical

k. –en: golden wooden woolen

l. –ed: landed excited interested surprised

m. –ly: friendly lively daily

3)+后缀→动词:

–ize: recognize apologize realize normalize

–en: widen basten frighten

–fy: simplify beautify satisfy

4)+后缀→副词

–ly: really happily simply difficultly completely

5)+后缀→数词

–teen: fourteen fifteen eighteen

–ty: forty thirty fifty ninety

–th: fourth ninth twelfth

2. +前缀一般不造成词类的转变,只是引起意思上的变化,前缀中有相当一部分可构成反义词。

1)un–: unhappy untrue uncomfortable unforgettable

2)dis–: dislike disagree discover discourage

3)im–: impolite impossible

4)ir–: irregular irresponsible

5)re–: retell renew rewrite return repeat

6)mis–: misspell misunderstand

7)super–: superman supermarket superstar

8)micro–: microfilm microbiology microcomputer microsoft

3. 合成词:

合成形容词:

good–tempered peace–loving everyday

good–looking widespread face–to–face

fine–sounding well –known ready–made

hard–working duty–free high –class airsick

合成名词:

bloodtest handwriting classroom classmate

waiting –room get–together bedroom handcuffs

sleeping–pills sun–bathing headteacher handbag

pickpocket waterfall watermelon waterway

【典型例题】

一、按例词要求写出下列单词:

1)drive——driver: play ——_________ teach——_________

kill ——_________ light ——_________ build ——_________

clean——_________ farm——_________

2)danger——dangerous: vary——_________ fame——_________

nerve——_________

3)cloud——cloudy: mist ——_________ sun——_________

thirst——_________ sleep——_________ dirt——_________

fun——_________ luck——_________

4)class——classical: magic——_________ politic ——_________

logic——_________

5)magic——magician: music——_________ Italy ——_________

India——_________

6)diligence ——diligent: difference ——_________ confidence——_________

independence——_________ importance——_________

II. 将下列词合成合成词并写出中文意思

class water snow mate traffic search ball light washing tea world spoon machine wide cross pass dream walk word land melon head master

(1)__________ ___________ (2)__________ ___________

(3)__________ ___________ (4)__________ ___________

(5)__________ ___________ (6)__________ ___________

(7)__________ ___________ (8)__________ ___________

(9)__________ ___________ (10)__________ ___________

(11)__________ ___________ (12)__________ ___________

【模拟试题】(答题时间:60 分钟)

一. 用所给词的适当形式填空:

1. This girl is very hardworking, so she is _________ (hope) to entre the college in the future.

2. Ketty is so excited that she can ’t wait to _________ (wrap) the package.

3. It is very _________ (danger) for children to play with fire.

4. Bill Gates is never afraid of _________ (difficult).

5. What about this sweater, it ’s _________ (wool).

6. Tom is a _________ (care) boy. He often makes mistakes in his homework.

7. Thomas Edison is a great _________ (invent). He invented many things which we are using

at present.

8. Because of his _________ (ill), he didn ’t come to school yesterday.

9. The foreigners are surprised at the _________ (develop) of our country.

10. This wonderful trip is _________ (forgettable) for me.

二. 单项选择:

1. Taking buses in Beijing is much _________ than before.

A. cheap

B. cheaper

C. cheapest

D. the cheapest

2. ——Is this your dictionary, Jack?

——Yes, it’s _________. Thank you for helping me find it.

A. mine

B. hers

C. his

D. yours

3. I’m sorry to keep you _________ so long. I won ’t be late next time.

A. wait

B. waited

C. to wait

D. waiting

4. ——You look so _________, don ’t you?

——Yes, I’ve got a birthday present.

A. happy

B. sad

C. tired

D. worried

5. Mike is only 15 years old. He is not _________ to get a driver license.

A. young enough

B. enough old

C. old enough

D. enough young

6. ——Do you know who invented the telephone?

——Sorry, I don’t know, but I know it _________ in 1876.

A. invented

B. was invented

C. invents

D. inventing

7. When he _________ home, he saw his mother cleaning the room.

A. got up

B. got back

C. got on

D. got in

8. ——I have a cold.

——Maybe you should see a _________.

A. doctor

B. driver

C. teacher

D. reporter

9. Don ’t _________ the radio. The baby is sleeping.

A. turn off

B. turn on

C. turn over

D. turn down

10. Mum, I ’m thirsty. Will you please give me some _________?

A. pencils

B. water

C. cake

D. books.

III. 完形填空:

Keeping love is to give love wings

There was once a lonely girl who wanted love very much. One day ___1___ she was walking in the forests, she found two dying birds. She took them home and put them in a small

___2___. She was happy to have two “friends ”. She ___3___ t h e m l o v w e i t h a n d the birds grew strong. One day the girl happened to ___4___ the door of the cage open. The larger and the stronger of the two flew out of the cage. The girl was ___5___ that it would fly away. She caught

it quickly. She felt glad that she caught the bird before it could fly away. Suddenly she couldn ’ t ___6___ a sound from the bird. When she opened her door, the bird was already dead. Her

___7___ killed the bird! Then she noticed ___8___ bird jumping up and down inside the cage. She

could feel its great need for freedom. It wanted to fly into the clear, blue sky. So she lifted it from

the cage and let it fly away ___9___. The bird circled once, twice, and three times. The girl

___10___ as the bird flew. She wanted it to be happy. The fastest way to lose love is to hold on it

too tightly, and the best way to keep love is to give it wings.

1. A. while B. after C. before D. until

2. A. box B. basket C. cage D. bag

3. A. looked for B. looked at

C. looked after

D. looked over

4. A. forget B. leave C. lock D. close

5. A. grateful B. proud C. afraid D. happy

6. A. listen B. make C. feel D. hear

7. A. love B. joke C. luck D. wish

8. A. one B. the other C. another D. others

9. A. angrily B. happily C. loudly D. highly

10. A. watched B. looked C. guided D. ran away

IV. 阅读理解:

A

Modern life is impossible without travel. The fastest way of travel is by plane. With a modern airliner( 客机) you can travel in one day to places which it took a month or more to get to a hundred years ago.

Travel by train is slower than by plane, but it has its advantages. You can see the country you

are traveling through. Modern trains have comfortable seats and dining cars. They make even the longest journey enjoyable.

Some people prefer to travel by sea when possible. There are large liners and river boats. You can visit many other countries and different places. Ships are not so fast as trains or planes, but

travel by sea is a very pleasant way to spend a holiday.

Many people like to travel by car. You can travel three or four hundred miles or only fifty or

one hundred miles a day, just as you like. You can stop wherever you wish-- where there is something interesting to see, at a good restaurant where you can enjoy a good meal, or at a hotel to spend the night. That is why traveling by car is popular for pleasure trips, while people usually

take a train or plane when they travel on business.

根据短文内容,选择正确答案。

1. According to this passage which is the fastest way of traveling?

A. By train

B. By sea

C. By car

D. By plane

2. If we travel by car, we can _____.

A. travel only one hundred miles a day

B. make our own timetable

C. travel to a very far place in a few minutes

D. make the longest journey enjoyable

3. From the passage we know that people on business usually ______.

A. take a train or a plane

B. take a boat or a ship

C. go by bike or on foot

D. go by plane or by bus

4. How many ways of traveling are mentioned in the passage?

A. Five

B. Three

C. Four

D. Two

B

Tom and Peter come into the church. They hear a woman crying from the room behind the

statue in front of them. The statue is a strange creature with red eyes. There is no other way. The

statue stands just in front of the door and they can not get past it. How can they get into the secret

room?

The statue is moving( 移动)! A deep voice comes from the strange creature, “Listen carefully.

I will ask you some questions. If you know the answer to my question, you may enter the room. ”“Whatis the question? P”eter asks. “It a’ssecret. T”he creature says. “Asecret? ”P eter says,

“That ’s stupid! How can I giveyou an answer if the question is a secr et? ”The creature speaks

again, “Come andl l tIel l’you. You will not remember the question tomorrow. If your answer is

right, you may enter. If your answer is wrong, well, then you ’Pl e l b t e e r i l n o o t r k o s u a b t l e T.o m.”

“I ’ll try. ”He says. He wa l k t s heup cr t e oa t u r e and listens to the question. Then he whispers the

answer in the creature ear. ’“s Are you sure your answer is right? ”Tom asks. Peter does not have

time to say anything. The statue moves to the side and the door opens up.

( from Harry Potter) 根据短文内容,选择正确答案。

1. Where are Tom and Peter?

A. In the secret room.

B. In the church.

C. Behind the statue.

D. At home.

2. How is the statue?

A. It is interesting?

B. It is strange.

C. It is beautiful.

D. It is friendly.

3. If they don ’t know the answer to the creature ______’_ _s_q_u_e_s_t_i o.n,

A. they may enter the room

B. they will be in trouble

C. they may ask their teacher tomorrow

D. the creature will ask them some other questions

4. Who answers the question?

A. Peter

B. Tom

C. Peter and Tom

D. We don ’t know

5. Which is NOT true according to the passage?

A. They hear a woman crying from the room behind the statue.

B. The statue stands just in front of the door and they can not get past it.

C. They may enter the room if they know the answer to the question.

D. They don ’t give the right answer to the question.

C

We make and eat birthday cakes on one birthday.’W s e often write the name of the person

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re-,reverse反面的,反转,倒车 un-, unload(卸载,卸,卸货), uncover(发现,揭开) with-, withdraw(stop sth or stop making sth撤退,撤消,取款), withstand(抵挡,反抗,经得起,。。。站立不倒be strong enough not to be harm) withhold(阻止,。。。抓住不放to refuse to give sth to someone) 4)表示相反,相互对立意思 anti-, ant- antiknock( 防震), antiforeign,(排外的) contra-, contre-, contro-, contradiction(矛盾,否认,反驳), contro-flow(逆流) counter-, counterreaction(抵抗,发对的行动,中和), counterbalance(使平衡,自动抵消) O类(可以不记忆) ob-, oc-, of-, op-, object(物体;反对,拒绝), oppose, occupy 2. 表示空间位置,方向关系的前缀 1)a- 表示“在……之上”,“向……”(与空间类名次搭配) aboard, aside, 2)by- 表示“附近,邻近,边侧” bypath(侧道,小路), bypass(弯路) 3)circum-, circu-, 表示“周围,环绕,回转” circumstance(环境,情况), circuit(电路,回路) 4)de-, 表示“在下,向下” descend(下降;沿。。。向下), degrade(使降级,贬低;降级;grade 年级,成绩,级别) 5)en-, 表示“在内,进入”(不记忆) encage(关在笼中,禁闭), enbed(上床) 6)ex-, ec-, es-, 表示“外部,外”

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常见英语构词法 一、转化法:不添加任何成分,不改变词形,把一个词由一种词类转用为另一种词类的方法叫转化法。如: button (钮扣)→to button (扣钮扣) native (本地的)→native (本地人) 二、合成法:把两个以上独立的词合成一个新词叫合成法,也叫合词法。如: note + book = notebook (笔记本) wide + open = wideopen (张大的) 三、缩略法:缩略法并不创造新词,而只是把词缩短,不增减意义,也不改变意义。常见的有以下几种方法: ●略去后部,保留前部,如:examination →exam Friday →Fri 2. 略去前部,保留后部,如:aireplane →plane telephone →phone 3. 略去两头,保留中部,如:influenza →flu (流感) detective →tec (侦探) 4. 略去中部,保留两头字母,如:foot (feet )→ft hour →hr 5. 保留某些字母,加以合并,如:limited →Ltd government →Govt 6. 保留开头一个字母,如: British Broadcasting Corporation →BBC National Basketball Association →NBA 派生法 ●四、派生法:由词根(或单词)附加前缀、后缀构成新词的方法叫派生法。由派生法构成的词叫派生词。大体上讲,派生法有两种:加前缀、加后缀。下面对常见前后缀分别加以说明: 1. 常见前缀 A. 表示否定意义的前缀: a. dis-, in-, im-, ir-, ne-, n-, un- 表示―纯否定‖,如:dishonest, impossible, illegal, irregular, illogical 不合逻辑的illiterate 文盲immemorial 古老的,无法记忆的imperfect 不完美的immoral 不道德的impassive 冷漠的,无表情的impolite 无礼的immoral 不道德的impassive 冷漠的,无表情的impure 不纯的impersonal 非个人的imbalance 不平衡的inglorious 不光彩的,不名誉的incapable 无能力的incorrect 错误的incomparable 无以伦比的incomplete 不完全的insensible 无知觉的,麻木不仁的inhuman 野蛮的,不人道的injustice 不公正informal 非正式的。 neither, never, unable unreal 不真实的uncomfortable 不舒服的unclear 不清楚的unfriendly 不友善的unwelcome 不受欢迎的unfortunate 不幸的uncondictional 无条件的unmanned 无人的unambitious 无野心的unfathered 私生的unbodied 无形体的unaccented 无重音的 b. mis- 表示―错误‖,如:mistake, mislead misuse 乱用misfortune 不幸misspell 拼错misdoing 恶行、坏事misunderstand 误解misrule (施)暴政misstep 失足mispolicy 失策。 c. de-, dis-, un- 表示―相反动作‖,如:denationalize 非国有化demilitarize 使非军事化defend, disconnect (断开)uncover,dislike 不喜欢disagree 不同意discontinue 中断disorder 混乱disbelieve 不信disproof 反证,dispraise 贬损,非难disappear 消失disremember 忘记discomfort 不舒服disability 无能,无力; disorganize 瓦解disroot 根除discourage 使失去勇气disrobe 脱衣disarm 解除武装,裁军dishearten 使失去信心disburden 解除负担discolor

英语构词法讲解及专项练习

构词法Word Formation 在英语中,词的构成方式主要有三种:合成、转化和派生。 一、合成Compounding 两个或更多的词合成一个词。 方式:1. 直接写在一起。 2. 用连字符(-)连接。 3. 由两个分开的词构成。 ; (4)合成副词however, maybe, wherever, whenever, forever (5)合成代词whoever,, whatever, everyone, nobody, myself, something, anything, 二、派生Derivation 前缀

注意:-ese, -ian, -ist 既可以构成名词,又可以构成形容词。

; 三、转化Conversion: 指一个词不变化词形,而由一种此类转化为另一种词类或几种词类。 1. 名词和动词之间的转化 telephone电话——打电话, mirror镜子——像镜子一样反映, drink喝——饮料, record录音——记录, name, date, hand, study, 2. 形容词转化为动词perfect完美的——使完善 3.名词转化为形容词(副词) front前面——前面的 4.形容词转化为名词chief 主要的——首领 语法填空之构词法专项练习 1. The soldier died for saving the child,so his________(die)is heavier than Mount Tai. 2. The Great Wall is more than 6000 li in ________(long). 3. How________ (fool) he is! black people were against slavery and fought for their ________(free) bravely. 5. What you said sounded________(reason) but in fact it was untrue. thing you should do is to _____(large) your vocabulary. (honest)speaking,I didn’t do it on purpose. 8.Tianjin and Guangzhou were also found to be safe from_____ (legal) drugs. 9. As he tried to read a map, he drove off the road into a river ______ (luck) 10. Thunder and lightning happen ______________ (simultaneous).

英语构词法讲解-共8页

英语构词法 我们今天来看点耐人寻味,发人省醒又让学习英语的同学头疼的东西——词汇。词汇很重要,有多重要呢?语言学家和认知学专家研究出两套程序:第一是英语能力培养程序:词汇-语法-听-说-读-写。第二是英语高分训练程序:词汇-读-写。两套程序是语言学家公认的程序,次序自然不能颠倒,所以我们可以发现不论是英语能力培养还是英语高分训练,词汇都摆在第一位。大家可能都听过这样一个很俗但很实用的比喻,英语学习是座高楼大厦的话,词汇便是构成大厦的一砖一瓦。但是砖并不是最小单位,它还是可以再分,砖是怎么炼成的呢?我们对这一砖一瓦到底了解多少呢?带着这个疑问我们就走进英语砖瓦的世界——英语构词法。 英语构词法主要有三种:即合成法、派生法和转化法。细分还可以加上发明法,混成法,截断构词,缩略语,逆构词法,类推构词,借词。一一道来的话,可能需要很久很久,我们挑出重点要讲的和一笔带过的。今天我们先突破前两个构词法——合成法和派生法,其余的构词法请关注下期葡萄嗝嗝的文章。 1、合成法 将两个或两个以上的单词合成在一起而构成的新词,叫做合成词(compound)。比如: (1)合成形容词(Adjective Compounds) ①N+present participle(现在分词,简称ppr) 例:English-speaking 讲英语的,south-facing 朝南的 ②N+past participle(过去分词,简称pp)例:man-made 人造的,water-covered 被水覆盖的 ③N+Adj 例:snow-white 雪白的,day-long 整天的 ④Adj+N+-ed 例:warm-hearted 热情的,kind-hearted 好心肠的 ⑤Adj/Adv+ppr 例如good-looking 好看的funny-looking 滑稽的

词根词缀构词法汇总

词汇进阶-----词根词缀构词法汇总1.常见的词根(转自无优雅思) 常见的词根 1) aer, ar, 含义是“空气,大气” aer oplane, aerial, 2) ag, act, ig, 含义是“做,动作” a ctive, agent, reaction, 3) alt, 含义是“高”,altitude, 4) alter, altern, altr, 含义是“其它,变更” alternate, 5) bio, bi, bion, 含义是“生物,生命” biology, bionics(仿生学) 6) brev, bri, brief, 含义是“短” brie f, abbreviation, abridge(节略) 7) cap, capt, cept, cip, 含义是“取,获” capture, except, concept, capacity 8) ced, ceed, cess, 含义是“行,让 步” proceed, succeed, excess(过度) 9) centr, centr, 含义是“中心” conc entrate, eccentric(偏心的) 10) clain, clam, 含义是“呼喊” claim, proclaim, exclaim 11) clos, clud, 含义是“闭合” conclud e, enclose, include 12) col, cult, 含义是“耕耘” colony, c ultivate, agriculture 13) cor, cord, 含义是“心” cordial, re cord, accord 14) curr, cur, cour, 含义是“跑,动作”current, occur, concurrence(同时发生) 15) dic, dict, 含义是“说,示” dictate, edit, indicate, predict 16) doc, doct, 含义是“教” doctor, do cument. 17) duc, duct含义是“引导,传导” int roduce, produce, conduct, deduct( 推论) 18) fact, fac, fect, dic, dit, 含义是“做,创造” factory, effect, profit, fac ulty, perfect 19) fend, fens, 含义是“打,击” defen ce, offence 20) fer, 含义是“搬运,移转” ferry, tr ansfer, defer(迟延) 21) fin, finit, 含义是“终,极” final, f inish, confine 22) firm, 含义是“坚固” firm, confirm, affirm(断定) 23) fix, 含义是“固定” prefix, affix (附加) 24) flect, flex, 含义是“弯曲” flexible, reflex 25) flor, flour, flower, 含义是“花” fl ower, flourish 26) form, 含义是“形” uniform, formu la, transform, reform, deform 27) forc, fort, 含义是“力,强度” forc e, enforce, effort 28) gen, genit, 含义是“生产,发生” g enerate, generation 29) gram, graph, 含义是“书写,记录”telegram, diagram, photograph 30) grad, gress, gred, gree, 含义是“步,阶段” gradually, degree, progres s 31) hab, habit, hibit, 含义是“保持,住” inhabit, exhibit, prohibit 32) her, hes, 含义是“粘附” adhere, c ohesion 33) ject, jet, 含义是“抛射” project, i nject 34) jour, 含义是“日,一天” journal(日记), journey, adjourn(延期) 35) jug, junct, 含义是“结合,连合” c onjunction, junction(连合) 36) labour, labor, 含义是“劳动,工作”labourer, elaborate, collaborate 37) lect, leg, lig, 含义是“挑选,采集”collect, select, lecture 38) lif, liv, 含义是“生活,生存” life, alive, live 39) loc, 含义是“场所,位置” location, dislocate(脱位)

英语构词法

Ⅰ.构词法(Word Formation) A.词根(Root) B.派生词(Derivative) C.合成词(Compound Words) 词是什么? “词”的英语是“Word”。依据词典“Word”可译为“语言、言、话、字、文字、词”等。人类在学习一种语言时最基本的两件事就是认识词和使用词来表达思想。 那么“Word”是什么? 我们先从表达思想来说。大凡人要把心中所感觉到的和所想的表达出来时,一个共通的表达模式就是“举出主题并说明它”。这种表达模式我们叫做“一句话”,在语言学上称为句子(Sentence)。例如: 例A:Your book is on the desk. (你的书在书桌上。) 例B:Tom goes to school by bicycle every day. (汤姆每天骑自行车上学。) 例C:The lady who has just passed by is our English teacher. (刚经过的那位女士是我们的英语老师。) 解说:上面各例都是句子。例A是表示我们生活中周边的静态事物,例B是表达事物的动态现象,例C所表达的是两者都有。那么句子是由什么来组成的呢?由上面各例可以了解句子的组成要素如下: 由上面的解说我们可以了解: 定义:词、短语、从句等称为句子组成的要素(Element)。 词是句子的组成要素中不能再细分的最小表意单位(Sense unit)。 构词法 英文词和中文词的最大不同点在于中文词是属于象形文字语系,字形是固定不变,而且是一字一音;英文词是属于符号文字语系,其字形(拼写法)须配合语意和句意表达的条件并受其约束,同时有一字一音、一字二音、一字三音……等。请参考下列的中英文词对比。 上面对比表中所列示者只是英文词的基本变化部分,实际上英文词的词形变化还不止这些。语言学家把这种专门研究词形变化现象和规则的学问称为词形学(Morphology),通常简称为构词法(Word Formation)。 构词法基本上包括下列三项: 1.词根(Root) 2.派生词(Derivative) 3.合成词(Compound Words) A.词根(Root) 定义:英文词形成的“根基”部分称为词根(亦称字根)。 现以“like”为例列示如下: Root like................................................... 像 a-like.................................................... 相像 un-like................................................... 不像 like-ness............................................ 相像 un-like-ness............................................ 互不相像 解说:如例所示“like”就是“alike…unlikeness”等词的词根。因英文词源自拉丁语者约占五分

初中英语构词法大全

初中英语构词法大全 英语构词方法主要有三种:即转化、派生和合成。 一. 转化 英语单词的词性非常活跃,名词用作动词,动词转化为名词,形容词用作动词等现象非常普遍,这种把一种词性用作另一种词性的方式就叫做词性的转化。 1. 动词和名词之间的相互转化。有时意思变化不大,有时有一定的变化。 1) 动词转化为名词。如: I often go there for a walk. 我经常去那里散步。(句中walk由动词转化为名词) 2) 名词转化为动词。如: Have you booked your ticket?你的票订好了吗? (句中book由名词转化为动词,词意引申为“预订”) Hand me your knife, please. 请把你的刀子递给我。(句中hand由名词转化为动词,词意引申为“传递”) 2. 少部分形容词转化为动词。 The train slowed down to half its speed. 火车速度减慢了一半。(句中slow由形容词转化为动词,词意引申为“减速”) 3. 形容词和名词之间的相互转化。 The poor were not allowed to go into this park those days. 那个时候,穷人是不允许进入这个公园的。 (句中poor由形容词转化为名词,词意引申为“穷人”) 4. 有些词词形不变,只因词尾的清浊音变化而发生词类转化,有时词形也可以变化。如: excuse [?ks?kju?z]v.原谅excuse [?ks?kju?s]n.原谅 use [ju?z]v.用use [ju?s]n.用 二. 派生 派生词是在一个单词前面加前缀或后面加后缀构成新词。 1. 通过加前缀构成另一个词。 前缀一般不造成词类的转换,但能引起词义的变化。前缀中有相当一部分可构成反义词。常用的前缀有: 前缀意义例词 dis- 不,相反的dislike, disappear, dishonest im- 不impossible, impolite mis- 错误的misunderstand re- 重新,再次rewrite, retell super- 超级supermarket, superman un- 不unfair, unhappy, unable 个别前缀也可以引起词类的变化,如: en-可以和名词或形容词构成动词:enable(使能够), encourage(鼓励); a-可以和名词构成形容词:asleep(睡着的); 2. 通过加后缀构成另一个词。后缀不仅能改变词义,也能改变词类。 (1) 常用的构成名词的后缀: 后缀意义例词 -er 人,动作者worker, singer, recorder, teacher -or 人,动作者actor, visitor, editor,inventor,director -ist 人chemist, dentist, scientist,artist -ess 女性actress, waitress -ment 行为,动作government, movement, development -ness 状态,性质illness, happiness,sadness -ion 动作,状态discussion, decision, organization -th 状态length, wealth, truth -ese 人Japanese, Chinese -ian 人American, musician, historian -ship 状态friendship

英语构词法

Means Of Word Formation Three Major Means: Affixation Compounding Conversion affixation A prefixation ?a dis in il ir im non un apolitical disobey injustice illegal irregular non-smoker unfair ?de un deoil unwrap ?mis mal misconduct misbehavior maltreat ?extra micro macro mini out over sub super ultra under extra-strong microcomputer macroclimate mini-bus outlive overweight understate subheading superstar ultra-left ?anti counter pro anti-nuclear anti-smoking counteraction proslavery ?fore inter tele trans forehead forearm inter-city inter-personal telecommunication transworld ?ex fore post pre re ante ex-president ex-wife foretell postwar preschool reconsider antedate ?semi uni mono bi tri quad penta multi (poly) deci-,deca- centi- milli- kilo- semicircle uniform monorail bicycle biweekly tricycle quadrangle the Pentagon multi-purpose decade centimeter millimeter kilometer

(完整版)英语单词构词法_和常见词根总结

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