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英语单词词性词性尾缀其实很多，大家主要记住最常用的1.名词后缀1)-or/er/ess/crat/cis:做某件事情或职业的人或物：worker,debtor2)-acy,表示性质，状态，境遇democracy,accuracy,diplomacy3)-ance,-ence表示性质，状况，行为，过程，总量，程度”importance,diligence,difference,obedience4)-ancy,-ency,表示性质，状态，行为，过程frequency,urgency,efficiency,5)-bility,表示动作，性质，状态possibility,flexibility,feasibility,6)-dom,表示等级，领域，状态freedom,kingdom,wisdom7)-hood,表示资格，身份,年纪，状态childhood,manhood,falsehood8)-ion,-sion,-tion,-ation,-ition,表示行为的过程，结果，状况action,solution,conclusion,destruction,expression,correction9)-ism,表示制度，主义，学说，信仰，行为socialism,criticism,colloquialism,heroism10)-ity,表示性质，状态，程度”purity,reality,ability,calamity11)-ment,表示行为，状态，过程，手段及其结果treatment,movement,judgment,punishment,argument12)-ness,表示性质，状态，程度goodness,kindness,tiredness,friendliness13)-ship,表示情况，性质，技巧，技能及身份，职业”hardship,membership,friendship14)-th,表示动作，性质，过程，状态depth,wealth,truth,length,growth15)-tude,表示性质，状态，程度latitude,altitude(海拔)16)-ure,表示行为，结果exposure,pressure,failure,procedure(手续)，17-grapy,表示……学，写法”biography,calligraphy,geography18)-ic,ics,表示……学……法logic,mechanics,electronics,linguistics19)-ology,表示……学……论”biology,zoology,technology(工艺学)20)-nomy,表示……学……术astronomy,economy,bionomy(生态学)2.形容词后缀(1)带有“属性，倾向，相关”的含义1)-able,-ible,visible,flexible2)名词-ish,foolish,bookish,selfish(注意accomplish,vanish)3)-ive,active,sensitive,productive4)-like,manlike,childlike5)名词-ly,manly,fatherly,scholarly,motherly6)-some,troublesome,handsome7)-ful,beautiful,wonderful,helpful,truthful8)-ous,dangerous,generous,courageous,various9)-ent,violent10)-most,foremost,topmost11)less,表示否定，countless,stainless,wireless3.动词后缀1)-ize,ise,表示做成，变成，……化“modernize,mechanize,democratize,organize2)-en,表示使成为，引起，使有”quicken,weaken,soften,harden3)-fy,表示使……化,使成”beautify,purify,intensify,signify,simplify4)-ish,表示使，令”finish,abolish,diminish,establish5)-ate,表示“成为……，处理，作用”separate,operate,indicate4.副词后缀(形容词)-ly：bad→badly坏地/恶劣地，careful→carefully小心地-wise(OE)：clock→clockwise(a./adv.)顺时针方向的(地);like→likewise同样地-wards：out→outwards向外面地，north→northwards向北方地单词词性判断可以在词义的理解及书写句子方面帮助学生。名词有四数：可数与不可数，单数或复数；限定与动词不可忘。四数加限定！一．怎样确定名词：一般情况下在下列结构中我们可确定所缺空应为名词◇1．a/an/the+（adj.）+名词；a/thebook;therichthedisabledtheSmiths◇2．adj.+名词；abigstone;alongriver;interestingbooks◇3．adv.+adj.+名词；averyhonestboy◇4．介词+名词；intheroom;underconstruction◇5．形容词性物主代词+名词；mysurprise;hishonesty◇6.数词+名词；fivegirls;◇7．缺的词在句中为主语，表语，宾语时多为名词。Theyhavebooks.及时练习1：1．Therehasbeena30%growthinthe____(市场)forpersonalcomputers.3．Hehasdiscoveredalotof___________(发现)inscience.5．IamsorrythatIcan’tattendthe__________(讲座)onAmericanhistory.6．Shestartedasasuccessfulmerchantbutendedupasa__________（乞丐）.7．Therewasasurprised_____________（表情）onherface.8．Ourcityhasexperiencedgreat___________（变化）inthepastfewyears9．Pleasegivemy_________(祝贺)whenyouseeher.10.Jacktookadeep_____________(呼吸)andthendivedintothewater.11.Oliverwasunabletogivepolicea______________(描述)ofhisattack.12.Thecarwasa____________(廉价货)attheprice.动词→名词练习：achieveaddarguearriverespondretirerudesavesailsell1.market3discoveries5.lecture6beggar7.expression8changes9.congratulations10.breath11.description12.bargain及时练习2：指出下列文中的名词：Intheearly1990s,theword“Internet”wasstrangetomostpeople.Buttoday,Internethasbecomeausefultoolforpeopleallovertheworld.MaybeInternethasbeenthegreatestinventioninthefieldofcommunicationinthehistoryofmankind（人类）.CommunicatingwithothersontheInternetismuchfaster.Wecanchatwithapersonwhoissittingintheotherpartoftheworld.Wecane-mailourfriendsandtheycanreadthee-mailswithinaminute.GivingallkindsofinformationisprobablythebiggestadvantageoftheInternet.Wecanusesearchenginestofindtheinformationweneed.Justtypeinakeywordorkeywordsandthesearchenginewillgiveusalistofsuitablewebsitestolookat.WecanenjoyalotontheInternetbydownloadinggames,visitingchatroomsorsurfing（浏览）websites.Therearesomegamesforfree.Wecanmeetnewandinterestingpeopleinthechatnow.Wecanalsolistentomusicandseefilms.二．怎样确定名词的单数或复数；可数或不可数§确定名词单数或复数的方法：1．由名词前面的数词:1.Ihaveseveral______(书)ontheshelf.2.Thisbuscancarry60(乘客).2．由名词后的动词单数或复数(即主谓一致):The_____(建议)arereasonableandsomeofuswillacceptthem.3．由句意:Our______(教授)heldameetingabouthowtoimproveourEnglish.Whatisthebest-knownchainoffast-food(餐馆)intheworld.※及时练习3：判断下列名词正误：1.Theyoftenhavefish,meatandvegetableforsupper.2.Mrs.Smithgetswellalongwithherneighbor.3.Theyhadonlythreemealofsoupeveryday.4.DickenswroteOliverTwistintheyear1837-1838.5.Hisnewplaywasagreatsucceed.6.Theanimalsareusefultothedesertpeopleinmanyway.7.Asheexploredthesea，hetookpictureandvideosofmanythingthatpeoplehadneverseenbefore.8.Theyweregivenkindsofbreakfast，andsometimestheygotnobreakfastatall.9.Schoolchildwalkedwiththeirshirts，coatsandanythingelsetheycouldfindpulledupovertheirnose.10.Themiddlepartofthe20thcenturybroughtnewwaystohelppeoplegetoverdisease.11.Toomanytreeshavebeencutthisyears.12.Theyusecamelsforcarryingwater，food，tentsandanotherthings.§确定名词可数或不可数的方法：注意三类名词：1、总是不可数的名词：1)物质名词：furniture,equipment,2)抽象名词：advice,progress,news,fun,truth,milk,ink,rice,…2.根据名词本身的意义：1)物质名词：water（水u,水域c）,rain（雨水u,一场雨c）2)抽象名词：experience(经验u，经历c),pleasure(愉快u，乐事c),success