第十讲构词法[考纲解读·定方向]正确运用构词法知识,是词汇学习的重要途径,同时也是扩大词汇量的一个重要方法。英语中构词法主要分为派生法、转化法和合成法。牢固掌握并熟练运用构词法知识,不仅有助于提高考生对阅读中生词进行辨识的能力,使其更加灵活地应对语法填空和短文改错对于词性转化的考查。[重点强化]一、派生法在一个词的词根之前或之后加上某个词缀来生成一个新词的构词法,即称作派生法词缀。加在词根之前的词缀叫做前缀,加在词根之后的叫做后缀。1.形容词变名词的后缀后缀例词agecyshort→shortage不足;短缺efficient→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encedifferent→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dark→darkness黑暗thstong→strength力气;强项warm→warmth温暖;热情true→truth真实wide→width宽度ytyitydifficult→difficulty困难cruel→cruelty残酷;残暴safe→safety安全disable→disability无能;残疾责任2.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anceappear→appearance出现;外貌guide→guidance指引;指导perform→performance表演;节目enceexist→existence存在;生存prefer→preference偏爱refer→reference参考;查阅ionattract→attraction吸引construct→construction建设educate→education教育evaluate→evaluation评估graduate→graduation毕业ationexpect→expectation期待;期望explain→explanation解释consider→consideration考虑imagine→imagination想象力starve→starvation挨饿invite→invitation邀请;请柬(s)siondiscuss→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equip→equipment设备urefail→failure失败press→pressure压力turemix→mixture混合;混合物depart→departure离开;出发yrecover→recovery恢复;痊愈discover→discovery发现其他grow→growth成长;发展choose→choice选择vary→variety多样化;种类tend→tendency趋向;趋势3.动词、名词变形容词的后缀后缀例词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form→formal正式的nation→national全国的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care→careful细心的use→useful有用的help→helpful有帮助的(e)dscare→scared恐惧的confuse→confused困惑的puzzle→puzzled迷惑的worry→worried担心的bore→bored厌倦的excite→excited激动的;兴奋的underline→underlined加下划线的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令人厌倦的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给人印象深刻的instruct→instructive有教育意义的expense→expensive昂贵的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...