构词法2之---转化(Conversion)动词→名词look→havealook看一看survey→makeasurvey调查walk→takeawalk散步名词→动词buttonn.→v.扣钮扣bookn.→v.预订seatn.→v.容纳backn.→v.支持形容词→动词slowadj.→v.减慢narrowadj.→v.缩小warmadj.→v.加热构词法3之---前缀•1、表示否定或相反意义的前缀前缀例词前缀dis-agree→disagree不同意advantage→disadvantage缺点il-legal→illegal不合法的logical→illogical不合逻辑的im-polite→impolite无礼的patient→impatient不耐烦的in-formal→informal非正式的convenient→inconvenient不方便的前缀ir-regular→irregular不规则的responsible→irresponsible不负责任的mis-lead→mislead误导understand→misunderstand误解non-non-smoker不吸烟者non-stop直达的un-usual→unusual不寻常的willing→unwilling不愿意的2、变动词的前缀前缀例词前缀en-able→enable使能够large→enlarge扩大rich→enrich使充实3、其他前缀的意义前缀例词inter-interaction互动international国际的over-overweight超重的overcrowded过于拥挤的extra-extraordinary非凡的re-rewrite重写;改写reuse再使用ex-ex-president前任总统ex-husband前夫e-e-mail电子邮件e-book电子书by-byproduct副产品kilo-kilometer公里centi-centimeter厘米co-co-exist共存cooperate合作pre-pre-reading阅读前prehistory史前的trans-transform(使)改变;使改观mid-midnight午夜super-supernatural超自然的out-outnumber在数量上超过vice-vice-chairman副主席sub-subtropical亚热带multi-multicolored多色的semi-semi-final半决赛auto-automatic自动的micromicroscope显微镜micro-waveoven微波炉构词法4之---后缀一、形容词加-ly变为副词的规律1.一般情况加-ly如:real→really/careful→carefully/polite→politely/quick→quickly2.“辅音字母+y”结尾的,将y改为-ily如:angry→angrily/busy→busily/heavy→heavily3.以-ble结尾的,将ble改为-bly如:probable→probably/possible→possibly4.个别单词,去掉e再加-ly如:gentle→gently/true→truly5.以-ic结尾的,加-ally如:basic→basically/energetic→energetically•注意:有的名词+ly→形容词,如:friend→friendly/day→daily•二、动词/名词变形容词的常见后缀后缀例词-ableaccept→acceptable可接受的comfort→comfortable舒适的fashion→fashionable时髦的suit→suitable合适的reason→reasonable有道理的-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-fuldoubt→doubtful怀疑的forget→forgetful健忘的harm→harmful有害的hope→hopeful有希望的peace→peaceful和平的-edscare→scared感到恐惧的confuse→confused感到困惑的underline→underlined下划线的-ingsurprise→surprising令人惊异的convince→convincing令人信服的satisfy→satisfying令人满意的-ibleaccess→accessible容易取得的horror→horrible可怕的;恐怖的terror→terrible可怕的-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给人深刻印象的-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-ytaste→tasty美味的;可口的health→healthy健康的wealth→wealthy富裕的;丰富的-erneast→eastern东方的;向东的-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•三、动词变名词的后缀后缀例词-alapprove→approval赞成;批准arrive→arrival到来;到达survive→survival幸存propose→proposal提议;建议-ance-enceappear→appearance出现;外貌guide→guidance指引;指导perform→performance表演;节目exist→existence存在;生存prefer→preference偏爱refer→reference参考;查阅-ion-tion-ationattract→attraction吸引compete→competition比赛;竞争invite→invitation邀请;请柬graduate→graduation毕业expect→expectation期待;期望explain→explanation解释-(ss)iondiscuss→discussion讨论;辩论decide→decision决定admit→admission接纳;准许入学-inghear→hearing听力;听觉begin→beginning开始-mentachieve→achievement功绩;成就argue→argument辩论;论据treat→treatment对待;治疗-ure-turefail→failure失败;没做到depart→departure离开;出发press→pressure压力mix→mixture混合;混合物-yrecover→recovery恢复;痊愈discover→discovery发现其他choose→choice选择vary→variety多样化;种类tend→tendency趋向;趋势•四、形容词变名词的后缀后缀例词-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-cedifferent→difference差异silent→silence沉默-nessweak→weakness虚弱;弱点kind→kindness仁慈;好意careless→carelessness粗心大意-thgrow→growth成长;发展strong→strength力气;强项warm→warmth温暖;热情-y-ty-itydifficult→difficulty困难cruel→cruelty残酷;残暴safe→safety安全disable→disability无能;伤残responsible→responsibility责任五、表示“人”的后缀后缀例词-erteach→teacher老师village→villager村民strange→stranger陌生人-arlie→liar说谎者-eeemploy→employee受雇者;雇员interview→interviewee被面试者train→trainee受训练的人;学员-orinvent→inventor发明家act→actor男演员educate→educator教育家;教师(注:cooker炊具)-essact→actress女演员god→goddess女神host→hostess女主人;女主持人-eseChina→Chinese中国人Japan→Japanese日本人-nAmerica→American美国人Australia→Australian澳洲人-ianmusic→musician音乐家history→historian历史学家politics→politician政治家;政客-istnovel→novelist小说家special→specialist专家tour→tourist旅行者;观光者-antantserve→servant仆人participate→participant参加者参加者assist→assistant助手;图书管理员助手;图书管理员correctcorrectionincorrectindependentdependdependabledisabledisabilityimpossiblepossiblepossibilitywrongmistakenmistakemisunderstandunderstandundergraduategraduategraduationn.反义独立的词根adj.残疾的n.不可能的n.反义n.误解词根大学生词根n.近义反义WordsBuildingcorrectn.反义独立的词根adj.残疾的n.不可能的n.反义n.误解词根大学生词根n.近义反义WordsBuildingcorrectcorrectionincorrectindependentdependdependabledisabledisabilityimpossiblepossiblepossibilityexpressioneducationwrongmistakenmistakemisunderstandunderstandundergroundundergraduategraduategraduationunderwaysubwaysubtitlealwayssidewaysn教育表达O独立的rootadj残疾的n不可能的OnSSn误解root大学生rootn地下的地下通道地铁副标题总是