Wordformation(1)TwofieldsofmorphologyWhatisinflectionForexample,theLatinducam,meaning"Iwilllead",includesanexplicitsuffix,-am,expressingperson(first),number(singular),andtense(future).Theuseofthissuffixisaninflection.Incontrast,intheEnglishclause"Iwilllead",theword"lead"isnotinflectedforanyofperson,number,ortense;itissimplythebareformofaverb.WhatiswordformationDifferencebetweeninflectionandwordformationInflectionalwayofformation屈折词缀或屈折语素表明各种不同的语法关系或语法范畴，如：数、时态、形容词和副词的级和格。现在英语中的屈折词缀包括：-(e)s,indicatingpluralityofnouns表名词复数-(e)s,indicatingthirdpersonsingular,presenttense表示现在时的第三人称单数-(e)d,indicatingpasttenseforallthreepersons表示过去时-ing,indicatingprogressiveaspect表示进行时-er,indicatingcomparativedegreeofadj.andadverbs表示形容词和副词比较级-est,indicatingsuperlativedegreeofadj.andadverbs表示形容词和副词最高级-‘s,indicatingthepossessivecaseofnouns表示名词的所有格ExamplesofinflectionalformationderivationPrefixation3ofdegreeofsize:arch-,super-,out-,sub-,over-,under-,hyper-,ultra-,mini-4ofattitude:co-,counter-,anti-,pro-5locative:super-,sub-,inter-,trans-6oftimeandorder:fore-,pre-,post-,ex-,re-7ofnumber:uni-/mono-,bi-/di-,tri-,multi-/poly-8ofamiscellaneouscategory:auto-,neo-,pan-,proto-,semi-,vice-……Someproductiveprefixes：anti-Someproductiveprefixes：de-Someproductiveprefixes：mini-,maxi-Someproductiveprefixes：super-,non-Someproductiveprefixes：re-Prefixationandpartofspeech词性Suffixation1.Noun--formingsuffixes2.Verb--formingsuffixes3.Adjective--formingsuffixes4.Adverb--formingsuffixesdifferancebetweeninflectionandderivation2Wordformsthatcomesfromderivationarerelativelylargeandpotentialyopen.Takingthedis-forexample,wecaneasilylistmanywordsfromanydictionary,suchasdishonest,disbelieve,disable,distinguish,disability,disadvatage,disaggregate...Compoundingisaprocessofwordformationbywhichtwoindependentwordsareputtogethertoproduceasinglenewword.Thewordformedinthiswayiscalledcompound.compoundscanbedividedintothreecategories:n.compounds,adj.compoundsv.compounds&p.compounds.Verbcompoundsadjectivecompoundsprep