1. 合成
由两个或两个以上的词合成为一个词。
举例：
Classroom， newspaper
， blackboard， Schoolmate，newly-born，hardworkingpolice+man=policeman
play+ground=playground，birth+day=birthday
after+noon=afternoon
hand+bag=handbag
every+where=everywhere
bed+room=bedroom
no+where=nowhere
hand+writing=handwriting
any+where=anywhere
grand+parent=grandparent
how+ever=however
what+ever=whatever

2. 转化
由一词类转化为另一词类。
动词walk、 talk、look、 swim etc.
在短语have a walk 、have a talk、 have a look、 have a swim etc中则转化为名词;
形容词cool 、warm、 clean、etc可以转化为动词意为：使凉快、使温暖、打扫等。
3. 派生法
①常用前缀 表“否定”
un- unfair unable unlikely, in/im- impossible impossible incapable, dis-discover disagree dislike dishonest 表“重复” re- rewrite retell repeat reconsider
②常用后缀 名词后缀
-er/ or/-tion/ -ese/ -ist/ -ing/ -ment/ -ness/ -ian
“动作的执行者”名如：
teacher visitor inventor organization congratulation invention Chinese Japanese pianist scientist violinist living greeting wedding movement treatment happiness illness sickness carelessness 动词后缀
–ify/-ice/-ise/-en 使…变… beautify/realize/ organize/sacrifice lengthen strengthen
形容词后缀
–able/-ful/-y/-ive/-al/-an suitable comfortable movable beautiful careful useful sunny, windy, cloudy, snowy, sleepy, salty active, instructive musical medical physical American European Australian -ly
副词后缀 carefully really certainly
数词后缀 -teen 表“十三至十九” fourteen fifteen nineteen -ty 表“二十、三十…七十”
匿名回答于2022-06-20 21:23:59
