高二英语英语构词法.ppt

英语构词法

二,合成词,
,
.
转化词就是由一类词转化为另一类词.
---n. pay a visit
2. N—v His name heads the list.
—v Mary empties the dustbin.
—n. The bank is on the right.
---adv We will stay here long.
.
( 由数字和名词构成)一定要由连字符.
a 2000—word—report
an 800—meter—long bridge

.
looker(s)—on son(s)—in—law
.
go—between(s) draw—back(s)
C. 其修饰作用的名词是man, woman的时候前后两个名词都变为复数.
A man servant men servants
,
派生词是由词根加词缀构成新词, 构成的
新词成为派生词.(前缀和后缀)
除个别前缀外,前缀一般只改变词的意义,
不引起词类的转化.
1. un, dis, non, in, im, ir, il 等表示“不”
unhappy, dislike, informal, impolite, illegal
2 re 表示重新. Rebuild, rewrite, revisit.
,名词构成动词.
enlarge, endanger, enable
表示“之前” prehistory prefix prewar
表示“之后” postwar postgraduate
后缀一般只改变词类,不引起词义的变化.
.
worker, assistant, examinee
—n 表示性质或者状态,
Kindness, hardship, difficulty, truth
---n表示过程或结果
pollution, marriage, failure, arrival.
—adj.
useful, friendly, troublesome, careless.

er/or visitor worker
ist munist
ness darkness happiness
tion attention introduction
ment movement judgement
2 形容词后缀
Ful careful hopeful
ous curious dangerous
able knowable usable
y hilly windy
ed coloured moneyed