初中英语构词法基本知识讲解12345各类构词法一览前缀例词派生词un-“不”happyunhappylikeunlikeusualunusualfriendlyunfriendlyim-“不”possibleimpossible后缀例词派生词-er“人”teachteacherplayplayercleancleanerdrivedriver(以e结尾,-r)runrunner(重读闭音节,双写-er)winwinnertraveltraveller-or“人”inventinventorvisitvisitor-ly(副词后缀)badbadlyquickquicklycarefulcarefullyhappyhappilydeepdeeplyluckyluckilyusualusuallynoisynoisilyslowslowlyangryangrilystrongstronglyquietquietly特例:truetrulyterribleterriblypossiblepossibly-ful(形容词后缀)carecarefulhelphelpfuluseusefulforgetforgetful-y(形容词后缀)rainrainyluckluckycloudcloudy6noisenoisy(以e结尾,去e,加-y)snowsnowysunsunny(双写,加-y)windwindy-ion(名词后缀)inventinventionoperateoperation-ness(名词后缀)busybusinessgoodgoodness一些特例:动词---形容词sleepasleepdiedeadenjoyenjoyable动词---现在分词转化为名词boatboatingbuildbuildingbeginbeginningcrosscrossingmeetmee