英语词汇学课件第四章课件1课程.ppt

General introduction
Affixation(30%-40%)
Compounding(28%-30%)
Conversion (26%)
The most productive methods
Shortening (8%-10%)
Blending 1%-5%
clipping
acronymy
Backformation
Sound reduplication
Affixation/derivation
Affixation falls into two categories: prefixation and suffixation and the differences between them are just the differences between prefixes and suffixes.
Classification of prefixes
The major prefixes can be classified into 10 categories by their meaning.
Negative Prefixes否定前缀
Reversative or privative prefixes逆反前缀
Pejorative prefixes贬义前缀
Prefixes of degree or size表范围和程度的前缀
Prefixes of orientation and attitude表方向和态度的前缀
Locative prefixes方位前缀
Prefixes of time and order表时间和顺序的前缀
Number prefixes数字前缀
Conversion prefixes转化前缀
Miscellaneous prefixes其他类型的前缀
1. Negative prefixes(1)
wise
expected
happy
un
1. Negative prefixes(2)
essential
smoker
resistance
non
1. Negative prefixes(3)
honest
like
believe
dis
1. Negative prefixes
prefixes
meaning
examples
un-
not,
the converse
of
unwise
non-
nonessential
dis-
dishonest
in-
informal
im-
immature
il-
illegal
ir-
irregular
2. Reversative prefixes(1)
pack
wrap
do
dress
un
2. Reversative prefixes(2)
centralize
mobilize
forest
code
de
2 Reversative prefixes(3)
connect
union
colour
hearten
dis