英语构词法PPT课件
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Re- Rewrite, reconsider, reuse (重新)
dis- （不） disagree , dislike , disappear
in/im- （不） incorrect impossible
mis –（错误或失当）misunderstand, mislead super- （超级） supermarket, superman
加后缀：
develop --- develop_______
既加前缀又加后缀： ment
employ ---__u_n_employ_m_e__n_t__
派生法（Derivation）---词缀法
1. 前缀(prefix):
Pre- Pre-reading, preview, prepay （前）
mini-（微小）
miniskirt, minibus
post–(之后) postwar, post-reading
fore-(前，预先) semi-(半，部分)
forehead foretell, forecast
semicircle, semi-final
anti- (阻止，抗) antiwar, anti-Japanese war
lock place
一、合成(Compounding)
blackboard spaceship half-understand first-class man-made good-looking sometimes beforehand
二、派生词（derivation）
加前缀：
happy --- _u_n_happy
responsible
-ant, -ent important, excellent
-ary
military, voluntary
3. 副词性的词缀：
-ly
quickly, softly, yearly
-wards backwards, forwards
否定意义的前缀
dis- dishonest, dislike in-, il, im, ir inability, impossible, immoral, illegal, irregular ne-, n-, none, neither, never non-, noesense un- unable, unemployment
Focus your attentioang_a_ionn your breathing.
构词法
合成(Compounding)
构词法：
派生法（Derivation）
【前缀prefix/后缀suffix】
转化法（Conversion）
【词性转换】
Classify:
pathway freedom Frustration lock riverside loneliest
构词法之Reading comprehension
1、You should walk fast emough to cause
you to breathe difficultly.
You should walk fast emough to cause you to breathe with_d_i_f.ficulty
Word-forming
构词法之 filling blanks
in right forms
For our homework tonight,we have to write a_d_es_cription(describe) of our school.
The__d_iscovery (discover) of gold in the island made the men rapidly rich.
under-
（在……下， 在……中）
underground, under-develop
常见的后缀(suffix)
1.名词后缀 ：
-er
teacher, worker
-or
visitor, sailor
-tion
education, satisfaction
-ment development, movement
37．A. traditional B. developing
C. typical
D. wealthy
The boy’s biggest _C_55__ had become his
来自百度文库
biggest strength.
55. A. kindness
B. happiness
C. weakness D. sadness
darkest place everyday unhappy
合成词(有两个或更多的词合成一个词):
everyday pathway riverside
派生词(在词根上加上前、后缀构成另外一个词):
frustration unhappy lonelies freedom
转化词(将一种词性转化成另一种词性):
常见的后缀
名词后缀 ：
-ity
ability, possibility
-ist
pianist, artist
-ion action, solution, conclusion
2.形容词后缀：
-ous
dangerous, humorous
-ful
helpful, careful
-able, -ible comfortable,
2.It's important to list all the subjects.
Make a _li_stof all the subjects.
3.Plant when the soil is warm, soon after the forst-free for your area.
Plant them soon after the f_o_r_st date ends. 4.Refocus your attention on your breathing.
Thee_s_ca_p_e_ (escape) of the thief led to the police's resignment.
The workers are protesting the_u_n_fa_ir_n_e_ss_ (fair) of the law.
构词法之Cloze
How many of us would expect to see people living on the streets of a __37_D_ country like Germany?
dis- （不） disagree , dislike , disappear
in/im- （不） incorrect impossible
mis –（错误或失当）misunderstand, mislead super- （超级） supermarket, superman
加后缀：
develop --- develop_______
既加前缀又加后缀： ment
employ ---__u_n_employ_m_e__n_t__
派生法（Derivation）---词缀法
1. 前缀(prefix):
Pre- Pre-reading, preview, prepay （前）
mini-（微小）
miniskirt, minibus
post–(之后) postwar, post-reading
fore-(前，预先) semi-(半，部分)
forehead foretell, forecast
semicircle, semi-final
anti- (阻止，抗) antiwar, anti-Japanese war
lock place
一、合成(Compounding)
blackboard spaceship half-understand first-class man-made good-looking sometimes beforehand
二、派生词（derivation）
加前缀：
happy --- _u_n_happy
responsible
-ant, -ent important, excellent
-ary
military, voluntary
3. 副词性的词缀：
-ly
quickly, softly, yearly
-wards backwards, forwards
否定意义的前缀
dis- dishonest, dislike in-, il, im, ir inability, impossible, immoral, illegal, irregular ne-, n-, none, neither, never non-, noesense un- unable, unemployment
Focus your attentioang_a_ionn your breathing.
构词法
合成(Compounding)
构词法：
派生法（Derivation）
【前缀prefix/后缀suffix】
转化法（Conversion）
【词性转换】
Classify:
pathway freedom Frustration lock riverside loneliest
构词法之Reading comprehension
1、You should walk fast emough to cause
you to breathe difficultly.
You should walk fast emough to cause you to breathe with_d_i_f.ficulty
Word-forming
构词法之 filling blanks
in right forms
For our homework tonight,we have to write a_d_es_cription(describe) of our school.
The__d_iscovery (discover) of gold in the island made the men rapidly rich.
under-
（在……下， 在……中）
underground, under-develop
常见的后缀(suffix)
1.名词后缀 ：
-er
teacher, worker
-or
visitor, sailor
-tion
education, satisfaction
-ment development, movement
37．A. traditional B. developing
C. typical
D. wealthy
The boy’s biggest _C_55__ had become his
来自百度文库
biggest strength.
55. A. kindness
B. happiness
C. weakness D. sadness
darkest place everyday unhappy
合成词(有两个或更多的词合成一个词):
everyday pathway riverside
派生词(在词根上加上前、后缀构成另外一个词):
frustration unhappy lonelies freedom
转化词(将一种词性转化成另一种词性):
常见的后缀
名词后缀 ：
-ity
ability, possibility
-ist
pianist, artist
-ion action, solution, conclusion
2.形容词后缀：
-ous
dangerous, humorous
-ful
helpful, careful
-able, -ible comfortable,
2.It's important to list all the subjects.
Make a _li_stof all the subjects.
3.Plant when the soil is warm, soon after the forst-free for your area.
Plant them soon after the f_o_r_st date ends. 4.Refocus your attention on your breathing.
Thee_s_ca_p_e_ (escape) of the thief led to the police's resignment.
The workers are protesting the_u_n_fa_ir_n_e_ss_ (fair) of the law.
构词法之Cloze
How many of us would expect to see people living on the streets of a __37_D_ country like Germany?