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1、A.重要的可数名词discovery,cloud,mineral,metal,material,substance, population,effort,effect,animal,plant,mammal, insect,tree,herb,shrub,element,function,feature, picture,result,clue,star,reason,audience,device, structure,human,humanbeing,system,fashion,kind, resource,source,origin,pioneer,automobile,pur
2、pose, style,response,number,amount,variety,quantity,type B.常见的不可数名词 poemjewela~offurniture,luggage,clothing,equipment,poetry,jewelry, machinery,weaponry,scenery,information,knowledge, homework,evidence(that),foliage,advertising,health C.常见的不规则名词 bebasedon*tooth,foot一定错 amanteacher;2menteachersm
3、an-men,woman-women,tooth-teeth,foot-feet,goose-geese, basis-bases,analysis-analyses,crisis-crises,axis-axes, hypothesis-hypotheses,alga-algae,lava-laver, fungus-fungi,stimulus-stimuli,datum-data,medium-media, bacterium-bacteria,spectrum-spectra,mouse-mice, child-children=people,phenomenon-phenom
4、ena D常见的单复数同形的名词 aircraft,spacecraft等craft结尾的词 （anaircraft/tenaircraft）species,series,means(mean不加s不是名词) (aspecies/tenspecies)sheep,deer,trout（鳟鱼）,carp（鲤鱼）,salmon,fish-（twofish/afish）1.物质名词不可数 ：water,coal,rain,steel,sunlight=Unouns(excessiverains:过量的雨水；aheavyrain一场大雨；therains:雨季)2.抽象名词不可数 eviden
5、ce证据不可数，intelligence不可数，advice建议皆不可数 3.学科不可数 mathematics,economics,statistics,physics,politics, mechanics,genetics,geology,geography,chemistry, philosophy,biology,history,ecology4.疾病不可数:measles,mumps(腮腺炎),diabetes(糖尿病) 5.总称不可数 machinery；weaponry；citizenry鱼类一般单复同形 6.单数复数意义有差异的名词 （可以不讲）sky-skies(气
6、候)water-waters(水系，永远不错) good-goods(货物)part-parts(才能) custom=customs(海关)spectacle(风景)-spectacles(眼镜) letter-letters(文人)arm-arms(武器) force-forces(武装力量) 7.即可数又不可数的名词 不可数可数 paper纸文件 rock碎岩块岩 brick砖料，砖块Stone:石料，石头sugar砂糖方糖 work作品；工作著作；工厂，工程，工事 room空间房间 time时间倍数，时代 *art： art泛指艺术不可数 一种艺术anart 各种各样的艺术ar
7、ts eighteenpiecesofpaper十八张纸 eighteennewspapers十八种报纸 此类：强调种类就属于可数 二、名词作定语的单复数问题 amanteacher/twomenteachers(A)名词作主语，即noun.修饰noun.,前面的名词必须是单数 coloreffects,employmentagencies,sentenceforms,treetrunks （干）例外：asalesgirl,asalestax
