英语单词的构成有一定的规律

英语单词的构成有一定的规律英语单词的构成有一定的规律英语单词的构成有一定的规律xxx公司英语单词的构成有一定的规律文件编号：文件日期：修订次数：第1.0次更改批准审核制定方案设计，管理制度英语单词的构成有一定的规律，这些规律叫构词法。主要有四种：合成、转化、派生和缩略。常见的是前三种。

合成由两个或两个以上的词合成为一个词:Classroom，newspaperblackboardSchoolmate，newly-bornhard-working

police+man=policemanplay+ground=playground

birth+day=birthdayafter+noon=afternoon

hand+bag=handbagevery+where=everywhere

bed+room=bedroomno+where=nowhere

hand+writing=handwritingany+where=anywhere

grand+parent=grandparenthow+ever=however

what+ever=whatever转化由一词类转化为另一词类：动词walk、talk、

look、swimetc.在短语haveawalk、

haveatalk、havealook、

haveaswimetc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。2．高中阶段主要构词方法归纳：派生法和合成法

（1）派生法

①常用前缀表“否定”un-unfairunableunlikely,in/im-impossibleimpossibleincapable,dis-discoverdisagreedislikedishonest

表“重复”re-rewriteretellrepeatreconsider②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：teachervisitorinventororganizationcongratulationinvention

ChineseJapanesepianistscientistviolinistlivinggreetingwedding

movementtreatmenthappinessillnesssicknesscarelessness动

词后缀–ify/-ice/-ise/-en使…变…beautify/realize/organize/sacrifice

lengthenstrengthen

形容词后缀–able/-ful/-y/-ive/-al/-ansuitablecomfortablemovablebeautifulcarefuluseful

sunny,windy,cloudy,snowy,sleepy,saltyactive,instructive

musicalmedicalphysicalAmericanEuropeanAustralian

-ly副词后缀carefullyreallycertainly

数词后缀-teen表“十三至十九”fourtee