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1、LiteratureReviewC08英语（3）班赵雁081323327ThetermmorphologywascoinedbyAugustSchleicherin1859.Inlinguistics,morphologyistheidentification,analysisanddescriptionofthestructureofagivenlanguage'smorphemesandotherlinguisticunits,suchaswords,affixes,partsofspeech,intonation/stres
2、s,orimpliedcontext.However,EnglishacquisitionisadifficultpartinEnglishlearning,forthevocabularyisverylargeanditisenlargedcontinuouslywiththerapiddevelopmentofmodernsociety.NomatterhowlargetheEnglishvocabularyis,wordsareformedaccordingtocertainword-formationrules.Affix
3、knowledgeisconsideredtobeanimportantaspectofvocabularyknowledge.Itplaysanimportantpartinvocabularydevelopmentandreading.Themasterofaffixisofgreatimportancetobothlanguageteachingandlanguagelearning.Affixknowledgecontributestodetermininghowwellalearnerreadsnewwords.Thus
4、,theEnglishlearnersmustmastertherulesinword-formationsowellthattheycanuseandrememberthevocabularyfluently.Throughtwomonths’effortsinsearching,collectingandreadinganabundanceofscholarsandprofessors’literatureconcerningtheusageofnegativeprefixesinmorphologicalaspects,Im
5、adeadetailanalysisofthemorphologyandcreatedthefollowingessaywhichsummoneduptheessenceofthenegativeprefixesusedintheBNCcorpus.MorphologybyMatthewsdemonstratesthedefinitionofmorphologyinthemodernsociallifefrommanyaspects.Thepaperpointsoutthatthemorphologyhasmanymeanings
6、.Wordsareusuallytreatedasthebasicandminimalunitsofalanguagetomakesentences,whicharecombinationsofwordsaccordingtosyntacticrules.Structurally,however,awordisnotthesmallestunitbecausemanywordscanbeseparatedintoevensmallermeaningfulunits.Theseminimalmeaningfulunitsarekno
7、wnasmorphemes.Sincethemorphologycandevelopthepeople’sknowledgeandgoodvalues,itisquiteimportantfortheresearcherstostudyonit.Inthissense,goodacademicknowledgeinthestudyisapartofthetoughtask.Thispaperoffersmuchpracticalideasformetothinkaboutthemeaningoftheresearchonthene
8、gativeprefixes.Morphemesvaryinfunctions.Accordingly,wecanclassifymorphemesintoseveralgeneralcategories:freeversusbound,deriv
