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1.形容词变副词的后缀
分类
示例
以-le结尾的形容词,变-le为-ly
possible→possibly,terrible→terribly,
comfortable→comfortably,
gentle→gently,simple→simply等
以-y结尾的形容词,变-y为-ily
easy→easily,angry→angrily,
noisy→noisily,happy→happily,
heavy→heavily,healthy→healthily等
常考且容易拼错的副词
excitedly,rudely,
truly,healthily,politely,
widely,nicely,closely,
surprisingly,increasingly,
disappointedly,fortunately,
hurriedly等
2.形容词变名词的后缀
后缀
示例
-age
short adj.短缺的→shortage n.不足;短缺
-cy
fluent adj.流利的→fluency n.流利;流畅
-dom
wise adj.聪明的→wisdom n.明智;智慧
-ence
different adj.不同的→difference n.差异
-ness
weak adj.虚弱的→weakness n.虚弱;弱点
-th
strong adj.强壮的→strength n.力气,优势
-y
difficult adj.困难的→difficulty n.困难
-ty
safe adj.安全的→safety n.安全
-ity
responsible adj.负责的→responsibility n.责任
3.动词变名词的后缀
常见的动词变名词的后缀有-al,-ance,-ence,-ion,-tion,-ation,-(ss)ion,-ing,-ment,-ure,-ture,-y等。
后缀
示例
-al
approve v.赞成,批准→approval n.赞成,批准
-ance
appear vi.出现→appearance n.出现;外貌
-ion
attract vt.吸引→attraction n.吸引
-ment
achieve vt.达到,完成→achievement n.功绩;成就
-y
recover v.恢复→recovery n.恢复;痊愈
4.动词、名词变形容词的后缀
常见的动词、名词变形容词的后缀有-able,-al,-ful,-ed,-ing,-ible,-ive,-ous,-some,-y,-ern,-ish等。
后缀
示例
-able
accept vt.接受→acceptable adj.可接受的
-ed
confuse vt.使困惑→confused adj.感到困惑的
-ing
convince vt.说服,使信服→convincing adj.令人信服的
-ful
forget vt.忘记→forgetful adj.健忘的
-al
nature n.自然→natural adj.自然的
-ible
access n.进入,使用权,通路→accessible adj.容易取得的
-ous
caution n.谨慎→cautious adj.谨慎的
5.表示否定或相反意义的前缀和后缀
常见的表示否定或相反意义的前缀和后缀有dis-,il-,im-,in-,ir-,mis-,un-,-less等。
前缀
示例
dis-
advantage n.优势→disadvantage n.缺点
il-
legal adj.合法的→illegal adj.不合法的
in-
convenient adj.方便的→inconvenient adj.不方便的
ir-
regular adj.有规律的→irregular adj.无规律的
mis-
lead vt.引导→mislead vt.误导
un-
willing adj.乐意的→unwilling adj.不乐意的
6.变动词的前缀和后缀
前、后缀
示例
en-
able adj.有能力的→enable vt.使能够
-en
sharp adj.尖的→sharpen vt.使尖锐
-ify
simple adj.简单的→simplify vt.简化
-ize
apology n.道歉→apologize v.道歉
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