记熟并完成后面的练习：初中英语名词复数可数名词有单数（Singular Form）和复数(Plural Form)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 公众练习一、写出下列名词的复数形式。
movie life knife fryleaf photo radi o piaozootomato potato bus watch box bookmap catfilm door month horse picture classboy toothwoman eye tooth German Chineseman footballchild classroom monkey Frenchman二、选择填空：1. There are some ________ on the hill.A. sheepsB. a sheepC. sheepD. sheepes2. Mr Black often gives us ________ by Email.A. some good informationB. some good informationsC. good informationsD. a good information3. There are some new books in the school library. They are ____ books.A. childB. childrens'C. childrenD. children's4. I have worn out my shoes, so I want to buy a new ________ .A. pairB. oneC. onesD. trousers5. Meimei's handwriting is better than any other ______ in his class.A. studentsB. studentsC. student'sD. students'6. The hospital is a bit far from here. It's about _______ .A. forty minutes's walkB. forty minute's walkC. forty minutes walkD. forty minutes' walk7. How many _____ are there in your class ?A. JapaneseB. AmericanC. AustralianD. Canadian8. I found my black cat in_____ room.A. Jim and MikeB. Jim and Mike'sC. Jim's and Mike'sD. Jim's and Mike9. How much are the _____ ?A. breadB. meats.C. potatosD. tomatoes10. There are many ______ in our school.A. woman teachersB. woman's teachersC. women teachersD. women's teachers11. Three months ________ a long time for me.A. isB. areC. haveD. has12. There are ______ and ______ on the table.A. two boxes cake; four bottle of orangesB. two boxes cake; four bottle of orangeC. two boxes of cakes; four bottles of orangeD. two box of cakes; four bottles of oranges三、选择填空：[1].They are________A:man doctor B:men doctors C:men doctor D:man do ctors[2]There are five_____ in the hill.A:sheep B:sheeps C: gooseD:deers[3] Those white socks____small.A:are B:is C: amD:do[4]We have many_____in our school.A:woman teacher B:women teachers C: woman teachers D:women teacher [5]Do you like _____?A:vegetable B: vegetables C:an vegetable[6]How many_____do they have?A:picture B: pictures C:a picture[7]There are six ____in the room.A:volleyball B:volleyballs C:a volleyball D:vol leyballs[8]Are these ____teachers?A:woman B:women C:womans[9]It is ____.A:milk B:a milk C:an molk D:milks[10]It’s a ____.It isn’t an ____.A:apple, egg B;cake,egg C:egg,orange, D:e gg,cake[11]Tom and Jim are ___.A:friends B:friend C:brother D:sister[12]Where are his ____?___the dresser.A:keys ,They are on B:key, They are on C:keys, It is at D:key,I t is in [13]Are those your ____?A:bookes B:boxs C:apples D:apple[14]There is ____in our room.A:a picture and five maps B:five maps and a pi ctureC:two pictures and five maps D: two picture and five map初中英语语法大全一、名词的数我们知道名词可以分为可数名词和不可数名词，而不可数名词它没有复数形式，但可数名词却有单数和复数之分，复数的构成如下：一）在后面加s。
如：fathers, books, Americans, Germans, apples, bananas二）x, sh, ch, s, tch后加es。
如：boxes, glasses, dresses, watches, wishes, faxes三）1）以辅音字母加y结尾的变y为i再加es 如：baby-babies, family-families, duty-duties, comedy-comedies, documentary-documentaries, story-stories2）以元音字母加y结尾的直接加s。
如：day-days, boy-boys, toy-toys, key-keys, ways四）以o结尾加s（外来词）。
如：radios, photos, 但如是辅音加o的加es：如: tomatoes西红柿, potatoes 马铃薯五）以f或fe结尾的变f为v再加es(s)。
如：knife-knives, wife-wives, half-halves, shelf-shelves, leaf-leaves, yourself-yourselves六）单复数相同（不变的）有：fish, sheep, deer鹿子, Chinese, Japanese七）一般只有复数，没有单数的有：people,pants, shorts, shoes, glasses, gloves, clothes, socks八）单词形式不变，既可以是单数也可以是复数的有：police警察局，警察, class班，同学, family家，家庭成员九）合成的复数一般只加主要名词，多数为后一个单词。