专题十一 词类转换.ppt

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1、变化形式例词直接加lyslow→slowly缓慢地改y为ilyhappy→happily高兴地去e加lytrue→truly真地后缀例词ageshort→shortage不足；短缺cyefficient→efficiency效率；功效fluent→fluency流利；流畅accurate→accuracy准确性private→privacy隐私；私密domfree→freedom自由；自主wise→wisdom明智；智慧后缀例词encedifferent→difference差异silent→silence沉默nessweak→weakness

2、虚弱；弱点kind→kindness仁慈；好意careless→carelessness粗心大意dark→darkness黑暗后缀例词thstrong→strength力气；强项warm→warmth温暖；热情true→truth真相；真理wide→width宽度ytyitydifficult→difficulty困难cruel→cruelty残酷；残暴safe→safety安全disable→disability无能；残疾responsible→responsibility责任后缀例词ableaccept→acceptable可接受的comf

3、ort→comfortable舒适的fashion→fashionable时髦的suit→suitable合适的reason→reasonable有道理的benefit→beneficial有益的后缀例词almusic→musical音乐的origin→original最初的person→personal个人的；私人的center→central中央的；中心的nature→natural自然的；天生的form→formal正式的nation→national全国的后缀例词fuldoubt→doubtful怀疑的forget→forgetful健

4、忘的harm→harmful有害的hope→hopeful有希望的peace→peaceful和平的care→careful细心的use→useful有用的success→successful成功的help→helpful有帮助的后缀例词edscare→scared感到恐惧的confuse→confused感到困惑的puzzle→puzzled迷惑的worry→worried担心的bore→bored感到厌倦的excite→excited激动的；兴奋的underline→underlined加下划线的balance→balanced均衡的后缀例

5、词ingsurprise→surprising令人惊讶的convince→convincing令人信服的satisfy→satisfying令人满意的worry→worrying令人担心的bore→boring令人厌烦的ibleaccess→accessible容易达到的；容易取得的horror→horrible可怕的；恐怖的terror→terrible可怕的后缀例词iveact→active积极的；活跃的effect→effective有效的；生效的attract→attractive有吸引力的impress→impressive给人深刻印

6、象的instruct→instructive有教育意义的expense→expensive昂贵的后缀例词ouscontinue→continuous不断的；持续的anxiety→anxious忧虑的caution→cautious十分小心的；谨慎的curiosity→curious好奇的humor→humorous幽默的sometire→tiresome令人厌倦的trouble→troublesome麻烦的后缀例词ytaste→tasty美味的；可口的health→healthy健康的wealth→wealthy富裕的；丰富的dirt→dirt

7、y有灰尘的；脏的rain→rainy有雨的sun→sunny阳光明媚的cloud→cloudy阴天的erneast→eastern东方的；向东的west→western西方的；向西的后缀例词ishchild→childish孩子气的fool→foolish愚蠢的；可笑的self→selfish自私的icscience→scientific科学的economy→economic经济的history→historic历史上著名的aryimagine→imaginary想象中的后缀例词ion/sion/ationcorrect→correction改

8、正attract→attraction吸引conclude→conclusion结论；结束decide→decision决定admit→admissi