考点08构词法高考频度:★★★★★构词法一派生法1
形容词变副词的后缀在形容词后加-ly可变成相应意义的副词直接加-lyextreme→extremely尤其,非常stupid→stupidly傻地改y为-ilyhappy→happily快乐地merry→merrily快乐地去e加-lytrue真的→truly真地2
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accurate→accuracy准确性-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careless→carelessness粗心大意-thstrong→strength力气;强项wide→width宽-y-ty-itydisable→disability无能;残疾responsible→responsibility责任3
动词变名词的后缀后缀例词1-alapprove→approval赞成;批准arrive→arrival到来-anceappear→appearance出现;外貌perform→performance表演;节目-enceexist→existence存在;生存refer→reference参考;查阅-ionconstruct→construction建设evaluate→evaluation评估-ationconsider→consideration考虑imagine→imagination想象力-(s)siondiscuss→discussion讨论;辩论admit→admission接纳;准许入学-inghear→hearing听力;听觉begin→be