可数名词有单数（SingularForm）和复数(PluralForm)两种形式表示一个人或物用单数形式，表示一个以上的人或物用复数形式。1．一般在词尾加-s。s在浊辅音后面读[z]，在清辅音后面读[s]，在[t]后与[t]一起读[ts]在[d]后与[d]一起读[dz]。例如：book—books书day—days天、日dog—dogs狗tree—trees树2．以s，sh，ch，x结尾的词在词尾加-es，读[iz].例如：glass—glasses玻璃杯watch—watches手表box—boxes盒子brush—brushes刷子3．以o结尾的词有些加-es，读[z]；有些加-s，读[s]。例如：tomato—tomatoes西红柿potato—potatoes土豆photo—photos相片radio—radios收音机zoo—zoos动物园4．以f或fe结尾的词，先把f改为v，再加–es，读[vz]。例如：knife—knives小刀leaf—leaves树叶life—lives生命thief—thieves小偷5．以辅音字母加y结尾的，先把y改为i，再加-es，读[z]。例如：story—stories故事city—cities城市family—families家庭baby—babies婴儿注意：boy—boys男孩toy—toys玩具key—keys钥匙6．有些名词有不规则的复数形式。例如：man—men男人woman—women妇女tooth—teeth牙齿foot—feet脚7．有些名词的单复数形式相同。例如；deer—deer鹿sheep—sheep绵羊Chinese—Chinese中国人Japanese—Japanese日本人8．有些学科名词虽以s结尾，但通常都做单数名词看待。例如：physics物理maths数学politics政治news新闻9．有些单数形式的名词具有复数的含义，要当作复数看待。例如：people人们，人民police警察public公众名词由单数变成复数的练习写出下列名词复数leaf______puppy_______box_______knife_______fly______fox______bus______bench_____brush_____kiss______church______dish_____ruler______peach________glass_____pencil________boy______zoo______man______roof_______sheep_______knife______lady______key______story______watch______bamboo______city______family______day_____apple_______eraser______speech______thief______mouse______fish_____goose____people______ox_____Chinese_______deer_______foot______child_______tooth_______guy________hero_______spy______boss_____monkey______city______goat______radio________horse______dog______two__________(pair)of____________(shoe)用所给的单词的复数的正确形式填空：1>Therearesomany________(wolf)intheforest.2>Therearethree______(chair)intheclassroom.3>These_______(tomato)arered.4>______(hero)aregreat.5>Mybrotherlooksaftertwo______(baby)6>Therearesome______(deer)eatingthegrass.7>Myfatherlikestoeat_______(potato).8>Chinese______(people)liketoeatnoodles.9>Ihavealotof______(toy)inmybedroom.10>Ihelpmymotherwash______(dish)inthekitchen.11>Ihavetwo______(pencil-box).12>Therearesome______(bus)inthestreet.13>Peterhaseight_____(foot).14>Lindahasthree_______(tooth).15>Therearesome______(child)inthegarden.16>Michaellikesthe______(mouse).17>Therearesome______(goose)intheriver.18>Myuncleandfatherare_____(man).19>TomandKingare_____(boy).20>Lindahasthree______(tooth).选出正确形式1．Icanseethree________inthezoo.AmonkeysBmonkeysCmonkey2.Thepighasfour______.A.footB.feetC.foots3.Mytwobrothersareboth______.A.policemanB.policemansC.policemen4.Therearefour___________intheclass.A.JapaneseB.JapanesesC.Japan5.Icanseeten_____inthepicture.A.sheepB.dogC.pig6.The_____hasthree______.A.boys,watchesB.boy,watchC.boy,watches7.Canyousee_______ontheplate?A.breadB.breadsC.breades8.Thegirloftenbrushesher_____beforeshegoestobed.A.toothB.toothsC.teeth9.MrBlackoftendrinksome_________.A.milkB.milksC.milkes10.Therearesome_____onthefloor.A.childB.waterC.books11._______willlearnEnglish.A.WomanB.WomenC.Man12.Lucywillshowussomenew____ofhers.A.photoB.photosC.photoes13.Idranktwo______.A.bottlesofora...
