名词单复数

变化规则一、绝大多数的可数名词的复数形式，是在该词末尾加上后辍-s。例：friend→friends;cat→cats;style→styles;sport→sports;piece→pieces二、凡是以s、z、x、ch、sh结尾的词，在该词末尾加上后辍-es构成复数。例：bus→buses;quiz→quizzes;fox→foxes;match→matches;flash→flashes三、以辅音字母+y结尾的名词，将y改变为i，再加-es。例：candy→candies;daisy→daisies;fairy→fairies;ladyladies;story→stories四、以-o结尾的名词，加-es或加-s构成复数。例：tomato→tomatoes;potato→potatoes;反例：piano→pianos;photo→photos;macro→macros（缩写词）五、以-f或-fe结尾的名词，多为将-f或-fe改变为-ves，但有例外。例：knife→knives;life→lives;leaf→leaves;反例：roof→roofs六、部分单词的复数形式不变。例：fish→fish;sheep→sheep;cattle→cattle;deer→deer七、极少数单词，其复数形式没有任何规律。例：man→men;woman→women;child→children;person→people;goose→geese专项练习写出下列名词复数leaf______box_______knife_______fox______bus______dish_____ruler______glass_____pencil________boy______zoo______man______sheep_______key______story______bamboo______family______day_____fish_____goose____Chinese_______deer_______foot______child_______tooth_______hero_______boss_____monkey______用所给的单词的复数的正确形式填空：1Ihavetwo______(pencil-box).2Therearethree______(chair)intheclassroom.3These_______(tomato)arered.4______(hero)aregreat.5Mybrotherlooksaftertwo______(baby)6Therearesome______(deer)eatingthegrass.7Myfatherlikestoeat_______(potato).8Chinese______(people)liketoeatnoodles.9Ihavealotof______(toy)inmybedroom.10Ihelpmymotherwash______(dish)inthekitchen.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.books