高中构词法精品PPT课件
in/im- (不) incorrect impossible
mis –(错误或失当) misunderstand, mislead
super- (超级) supermarket, superman
mini-(微小)
miniskirt, minibus
post–(之后) postwar, post-reading
record
n.记录 He broke the record. v. 记录 He records something while
reading a book.
词根
adj.
independent
depend
独立的
不可能的
反义
incorrect
impossible
反义
correct
n.
残疾的
dependable
create, conclude, move, possible
常见的后缀
1.名词后缀 :
-er
teacher, worker
-or
visitor, sailor
-tion education, satisfaction
-ment development, movemeess
3. 副词性的词缀:
-ly
quickly, softly, yearly
-wards backwards, forwards
4.动词性的词缀:
en- enrich enable enlarge
ensure endanger encourage
un- unload uncover unfold unpack uncage unlock
disable
n.
possible
n.
disability possibility
correction
反义
wrong
graduation
近义
mistaken Words Building
n.
n.
mistake
误解
misunderstand 词根
graduate
大学生
词根
understand
undergraduate
-ful/less helpful, careful/useless
-able/-ible moveable, acceptable
eatable, responsible
-ant, -ent important, excellent
-ary
military, voluntary
-al
seasonal,natural
-ize, realize, organize recognize apologize,modernize
-(i)fy, simplify beautify satisfy clarify classify identify
转化法(Conversion)
taste
n. 味道 It has a good taste. v.尝起来 It taste very good.
O
correct n
correction 教育
education 表达
expression
S
wrong
S
mistaken n
副标题
总是
subtitle
subway
地铁
underway
地下通道
always sideways
graduation n
mistake
underground
graduate
误解
地下的
misunderstand root understand 大学生 undergraduate
root
英语构词法 –前缀(1)
• 掌握一些英语构词法,对单词的记忆和理 解有很大的帮助,下面笔者列举一些常用 的词缀和词根。
blackboard spaceship half-understand
first-class man-made good-looking sometimes beforehand
派生词(derivation)
•加前缀:
happy --- _u_n_happy • 加后缀:
develop --- develop_m_e_n__t__
构词法—高中部分
合成(Compounding) eg: classroom
构词法:派生法(Derivation) 词根root ,前缀prefix/suffix international unluckily
转化法(Conversion)
【词性转换】
water clean
合成(Compounding)
•既加前缀又加后缀:
employ ---__u_n_employ_m_e__n_t__
派生法(Derivation)---词缀法
1. 前缀:
Pre-
Pre-reading, preview, prepay (前)
Re-
Rewrite, reconsider, reuse
(重新)
dis- (不) disagree , dislike , disappear
fore-(前,预先)
foresee foretell, forecast
semi-(半,部分) semicircle, semi-final
anti- (阻止,抗) antiwar, anti-Japanese war
under- underground, under-develop
(在……下, 在……中)
词根
独立的
不可能的
反义
correct
反义
adj. 反义
n.
残疾的
n. n.
近义
Words Building
n.
n.
误解
词根
大学生
词根
root
adj
残疾的
independent
depend
dependable
disable
独立的
不可能的
O
incorrect
impossible
possible
n
n disability possibility
常见的后缀
名词后缀 :
-ity ability, possibility -ist pianist, artist
-hood childhood, brotherhood -ion action, creation, conclusion
2.形容词后缀:
-ous
dangerous, humorous
常见的后缀
1.名词后缀 :
-er
-or
-ment -ity
-ist -ion -ation
-hood -ness
work, educate, develop, visit, satisfy, teach, sail, piano, art, child,
brother , act, kind happy