英语单词前后缀及词根.doc

Prefix-Suffix-RootListbyGradeLevel
DraftforTeacherReview2009-2010

Thefollowinglistsarenotall-inclusive,butmostcommon.Theyareaminimumstudentsateachgradelevelshouldreadandunderstandhowtouseandapplybythecurrentschoolyearend.Othersmaybeaddedbasedonyourclassroomofstudents.

Prefix-Awordpartaddedtothebeginningofarootorbasewordtocreateanewmeaning,
Suffix-Aletteroragroupoflettersaddedtotheendofarootorbasewordtochangeitsmeaning,
Root-theformofawordafterallaffixesareremoved
(Generally,prefixesandsuffixeschangethemeaningsofroots,butitisusuallythesuffixthatdenotesthepartofspeech.)

Incorporateprefix,suffix,androotsintoworkingwithwordsstudy.
1stGrade
PrefixSuffixDefinitionExamples-s,-esplural,morethanonehats,pigs,books,plays,boxes,wishes,dishes
cliffs,roofs,beliefs
knives,leaves,halves,selves-ingaction/processhelping,skipping,running,seeing,thinking-edpasttensejumped,helped2ndGrade
PrefixSuffixDefinitionExamplesun-not/oppositeunlock,unsafe,uncoverre-again/backreread,rewrite,returncycl-circle,wheelbicycle-erpersonconnectedwith,
comparativedegreeteacher,writer,baker,bigger,colder,taller-estsuperlativedegreebiggest,coldest,tallest-fulfullofbeautiful,painful-lesswithoutcareless,helpless-cian/-istonewhomusician/artist3rdGradePrefixSuffixRootDefinitionExamplesin-notinactive,incomeim-notimpossible,improper,importauto-selfautomobiledis-not/oppositeofdislike,distrust,disagreepre-beforepretest,preplan,premadepro-beforeproceedpost-afterpostgraduatetele-far,distanttelephone,telegraph,televisiondic-say/speakdistationbiolifebiology,biography,biopsy-iesplural,morethanoneparties,babies,cries-iedpasttensecried,tried,-edpasttensestopping,hopping-ingaction/processstopped,hopped-lycharacteristicofbadly,friendly,quickly-ycharacterizedby/likecloudy,fishyformshapeforumularductleadconductorgraphwritetelegraph,photograph,phonograph,autographphonsoundphonograph,symphony,telephone,microphone,phonicsscopeseemicroscope,telescope,periscope,stethoscope4thGradePrefixSuffixRootDefinitionExamplesnon-notnonf