学而不思则惘，思而不学则殆
英语构词法中的派生法
派生法：在词根加前缀或在词根后面加后缀构成一个与原单词意义相近或截然相反的新词叫作派生法。一、前缀前缀一般改变单词的意义，不改变词性（除少数前缀外）；后缀一般改变词类，而不引起词义的变化。1表示否定意义的前缀常用的有：disilimi
irmis
o
u
。disabledisapprovedisco
ti
uousdisorderdisadva
tagedisclosedisco
ti
uedisagreediscolourdiscou
tdisappeardisco
ectdiscourage
illegali
adaptablei
crediblei
formalirrespectivemisfortu
emisread
o
metalu
ableu
breakableu
comfortableu
determi
edu
fold
impossiblei
applicablei
curablei
visibleirrespo
siblemisguidemistrust
o
cooperatio
u
acceptableu
certai
u
decidedu
developedu
pack
i
accuratei
co
sta
ti
depe
de
tirregularmidi
terpretmisu
dersta
d
i
activei
co
ve
ie
ti
effectiveirremovablemisleadmisuse

o
i
volveme
tu
awareu
cha
geableu
employedu
earthu
tieu
eco
omicalu
bala
ce
2表示其他意义的前缀常用的有：
a前缀a
tia
tifascista
tiJapa
eseWarb前缀autoautobiographyc前缀bibice
turya
tigasa
tiimperialist
autographybili
gual
f学而不思则惘，思而不学则殆
d前缀cocooperatio
e前缀dedeformf前缀e
eme
ablee
largeg前缀exexsoldierh前缀midmidday
coauthordegrade
coheirdevalue
e
couragee
richexgirlfrie
dmid
ight
e
da
gerembitterexwifemidtermmultimediaoverloadmidagedmultipurposeoverproduce
i前缀multimultiformmultili
gualj21前缀overovercrowdedoverlookk22前缀preprewarl前缀rerewritem前缀vicevicechairma
overworkovercomeprehistoricreviewvicegover
or
prepayrecyclevicepremier
preco
ditio

vicepreside
t
二、后缀后缀通常会改变单词的词性，构成意义相近的其他词性；少数后缀还会改变词义，变为与原来词义相反的新词。1构成名词的后缀常用的有：
a、后缀age，构成抽象名词marriageperce
tageshortagestorageb后缀al构成抽象名词arrivalrefusalapprovalsurvivalproposalremovalc后缀a
，ia
“人”从事……职业者”，构成名词。Italia
libraria
magicia
vegetaria
musicia
politicia
tech
icia
d后缀a
ce，e
ce，构成名词appeara
ceallowa
ceexiste
ceprese
ceperforma
ceig
ora
cei
flue
cei
tellige
ceevide
cedilige
ceguida
ceprefere
cesig
ifica
cee后缀dom构成名词ki
gdomfreedomf、后缀ee，eer，er，or，构成表人的名词begi
ercompetitorco
ductordirectoremployeee
gi
eerexami
eei
tervieweetailorvolu
teer
f学而不思则惘，思而不学则殆
g后缀ess构成表“雌性”的名词actressgoddesshostesswaitressh、后缀ful构成表“容量单位”名词abasketfulofaha
dfulofmouthfulspoo
fuli后缀ics构成学科名词：gymr