构词法讲解.docx
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构词法讲解
词汇基础篇——构词法(前缀,后缀,词根)
考研英语常用前缀
(1).表示“否定”前缀
im-
moral–immoral
possible–impossible
in-
direct–indirect
correct–incorrect
un-
certain–uncertain
fortunate–unfortunate
ir-
regular–irregular
responsible–irresponsible
il-
legal-illgal
literate–illiterate
non-
smoker-non-smoker
sense–nonsense
dis-
advantage–disadvantage
agree–disagree
honest–dishonest
mis-
fortune–misfortune
understand–misunderstand
de-
code–decode
value–devalue
ab-
normal—abnormal
use—abuse
(2)表示“数量”前缀
semi-
circle–semicircle
final–semifinal
hemi-
hemi–hemisphere
mono-
plane–monoplane
tone–monotone
uni-
form–uniform
directional–unidirectional
bi-
lingual–bilingual
cycle–bicycle
tri-
angular–triangular
cycle–tricycle
mini-
bus–minibus
skirt–miniskirt
multi-
purpose–multipurpose
national–multinational
poly-
centric–polycentric
syllabic–polysyllabic
super-
marker–supermarket
natural–supernatural
extra-
curricular–extracurricular
ordinary–extraordinary
ultra-
modern–ultramodern
sound–ultrasound
macro-
economics–macroeconomics
structure–macrostructure
micro-
computer–microcomputer
electronics–microelectronics
centi-
grade–centigrade
meter–centimeter
kilo-
gram–kilogram
meter–kilometer
(3)表示“空间位置”前缀
over-
head–overhead
time–overtime
under-
develop–underdevelop
sea–undersea
sub-
divide–subdivide
section–subsection
infra-
structure–infrastructure
out-
door–outdoor
live–outlive
intra-
city–intracity
department–intra-department
inter-
change–interchange
national–international
mid-
day–midday
night–midnight
trans-
Atlantic–transatlantic
plant–transplant
cross-
country–cross-country
breed–crossbreed
(4)“时间顺序”前缀
ex-
minister–ex-minister
wife–ex-wife
port-export
pre-
war-prewar
school-preschool
post-
graduate–postgraduate
war–postwar
(5)表示“共同”或用来“加强语气”
co-
author–coauthor
exist–coexist
col-
location–collocation
com-
press–compress
passion–compassion
con-
centric–concentric
federation–confederation
cor-
relate–correlate
respond–correspond
(6)动词前缀
be-
friend–befriend
little–belittle
em-
body–embody
power–empower
en-
danger–endanger
large–enlarge
(7)其他常用前缀:
pro-
America–pro-America
pro–proceed
anti-
war–antiwar
smoking–antismoking
contra-
diction–contradiction
counter-
act–counteract
aero-
plane-aeroplane
space–aerospace
auto-
biography–autobiography
criticism–autocriticism
self-
employed–self-employed
taught–self-taught
bio-
chemistry–biochemistry
biology
by-
product–by-product
way–byway
vice-
chairman–vice-chairman
president–vice-president
re-
unite–reunite
use–reuse
考研英语常用后缀
(1) 名词后缀
-ion,ition,-ation
collect–collection
observe–observation
-ability,ibility
able–ability
capable–capability
-ment
move–movement
retire–retirement
-ness
dark–darkness
happy–happiness
-sion
decide–decision
expand–expansion
-ance,-ence
appear–appearance
refer–reference
-ancy,-ency
emergent–emergency
expect–expectancy
-cy
accurate–accuracy
-ee
employ–employee
interview–interviewee
-er,-or,-ar
paint–painter
beg–beggar
-ist
psychiatry–psychiatrist
violin–violinist
-an,-ian,-arian
library–librarian
music–musician
-ess
actor–actress
waiter–waitress
-ant,-ent
apply–applicant
correspond–correspondent
-ics
electron–electronics
linguist–linguistics
-ology
climate–climatology
future–futurology
-ism
Marx–Marxism
socialist–socialism
-ship
friend–friendship
scholar–scholarship
-th
grow–growth
wide–width
-ity,-ty
cruel–cruelty
pure–purity
-ure
close–closure
expose–exposure
(2) 动词后缀
-en
deep–deepen
fast–fasten
-ify
class–classify
simple–simplify
-ize,-ise
modern–modernise/modernize
popular–popularise/popularize
(3) 形容词后缀
-able,-ible
suit–suitable
question–questionable
-ful
care–careful
pain–painful
-less
hope–hopeless
pain–painless
-ous,ious
danger–dangerous
poison–poisonous
-ive
create–creative
support–supportive
-al
nature–natural
structure–structural
-ent,-ant
differ–different
please–pleasant
-ory,-ary
advise–advisory
custom–customary
-ate
consider–considerate
fortune–fortunate
-en
gold–golden
wood–wooden
-ic,-ical
atom–atomic
psychology–psychological
-y
guilt–guilty
noise–noisy
(4) 副词后缀
-ly
easy–easily
heavy–heavily
考研英语常用的词根
1.ceed,cess含义是行,让步
proceed,succeed,exceed
2.cap,capt,cept含义是取,获
capture,except,concept,capacity
3.claim含义是呼喊
claim,proclaim,exclaim
4.clud.clos含义是闭合
conclude,include,exclude
5.dic,dict含义是说,示
dictate,indicate,predict
6.doc,doct,含义是教
doctrine,document
7.duc,duct含义是引导,传导
introduce,produce,conduct,deduct
8.fer,含义是搬运,移转
transfer,defer
9.firm,含义是坚固
firm,confirm,affirm
10.form,含义是形
uniform,transform,reform,deform
11.gram,graph,含义是书写,记录
telegram,photograph
12.grad,gress,含义是步,阶段
gradually,progress,regress
13.labour,labor,含义是劳动,工作
labourer,collaborate
14.lif,liv,含义是生活,生存
life,alive,live,living,lively
15.long,leng,ling,含义是长的
length,prolong,linger
16.mand,mend,含义是命令
command,demand,recommend
17.man,manu,含义是手,手法
manage,manual
18.memor,member,含义是记忆
memory,remember,memorial
19.miss,mit,含义是派遣,送
mission,dismiss,transmit
20.mob,mot,mov,含义是动
movement,motion,mobile,remove
21.nect,nex,含义是捆扎
connect,disconnect
22.pel,puls,含义是追逐
expel,impel
23.pend,pens,pond,含义是悬挂
depend,independent
24.phon,含义是声音
telephone,microphone
25.port,含义是搬运
export,import
26.press含义是压,压制
pressure,express,oppress,impress,depress
27.quer,quest,quir,quis,含义是寻找,探问
inquire,inquiry,acquire,question,
28.scrib,script,含义是书写,记录
describe,subscribe,manuscript
29.sens,sent,含义是感觉,情感
sensitive,sensation,sentiment,sensible
30.soci,含义是结合,社交
social,sociable,associate
31.spec,spect,spitc,spis,含义是看,视
inspect,spectator,conspicuous,respect
32.struct含义是建筑,构造
structure,construct,instruct,destruction
33.tend,tens含义是倾向,伸张
tendency,intense,extend,intend
34.tract,trail含义是拖拉,吸引
attract,tractor,abstract,contract
35.us,ut含义是用,使用
usable,utilize,abuse
36.vad含义是走,去
invade,evade
37.vers,vert,含义是旋转,反转
convert,invert,reverse,divert
38.viv,vit,含义是生,活
vivid,survival