七年级英语-名词单复数形式转换

初一英语名词单数变复数用法口诀及练习测试一、可数名词的复数形式(一)规则变化1、口诀：名词单数变复数，直接加-s 占多数；book-books; pen-pens; apple-apples※s, x, z, ch, sh 来结尾，直接加上-es；bus—buses,box—boxes,watch—watches,dish—dishes. dress-dresses; buzz-buzzes; watch-watches; brush-brushes2、词尾是f 或fe，去掉f或fe再加上ves；口诀：妻子持刀去宰狼，小偷吓得发了慌；躲在架后保己命，半片树叶遮目光。

①wife(妻子)—wives,knife(小刀)—knives,wolf(狼)—wolves(妻子”拿着“小刀”杀了“狼”)②thief(小偷)—thieves③shelf(架子)—shelves,self(自己)—selves,life(性命)—lives④half(一半)—halves,leaf(树叶)—leaves3、口诀：辅音+ y 在词尾，把y 变i 再加-es；study-studies; baby-babies; city-cities4、口诀：元音+y在词尾, 只加s就足够boy –boys ; day –days; monkey –monkeys5、口诀：词尾字母若是o，常用三个已足够，要加-es 请记好，hero, tomato, potato。

美国黑人和英雄爱吃土豆和西红柿。

negro-negroes; hero-heroes; potato-potatoes; tomato-tomatoes其余o结尾的词加s, photo-photos; piano-pianos6、口诀：复合名词变复数，一般后面一个变复数，但是碰到man,woman复合词，两个都要变复数。

如：grown-up—grown-ups (成年人)man doctor—men doctors (男医生)(二) 不规则变化男人女人a 变e，鹅足牙oo 变ee；man-men; woman-women; goose-geese; foot-feet; tooth-teeth老鼠虱子也好记，ous 变ic；mouse-mice; louse-lice孩子加上ren，鱼鹿绵羊不用变child-children; fish; deer; sheepthis---these(这些)I --- we it/he/she--- they that -- those(那些)【说明】①man（男人）—men,woman（女人）—women,含有man,woman的合成词，其复数是把a变成e.如：policewoman, postman, f isherman等。

初中英语知识点归纳名词的单复数变化与用法英语知识点归纳：名词的单复数变化与用法一、名词的单数和复数形式变化规则英语中，名词的单数和复数形式变化有以下几种规则：1. 一般在名词末尾加-s来表示复数，如girl-gir**ls**（女孩-女孩们），book-boo**ks**（书-书籍）。

2. 以-s, -sh, -ch, -x, -o结尾的名词，复数形式直接在末尾加-es，如class-clas**ses**（班级-班级们），watch-watch**es**（手表-手表们）。

3. 以辅音字母+y结尾的名词，复数形式将-y变为-i，再加-es，如baby-bab**ies**（婴儿-婴儿们），party-part**ies**（派对-派对）。

4. 以-f或-fe结尾的名词，复数形式将-f或-fe变为-ves，如wife-wi**ves**（妻子-妻子们），knife-kni**ves**（刀子-刀子们）。

5. 有些名词的单数和复数形式完全不同，如man-m**en**（男人-男人们），woman-wom**en**（女人-女人们）。

6. 一些名词的单复数形式完全相同，如sheep-s**heep**（绵羊-绵羊们），fish-f**ish**（鱼-鱼）。

二、名词的用法名词在英语中有着多种用法，下面列举了其中几种常见的用法：1. 主语：名词可以作为句子的主语，如"**Cats** are my favorite animals."（猫是我最喜欢的动物）。

2. 宾语：名词可以作为句子的宾语，接受动作的影响，如"I love **dogs**."（我喜欢狗）。

3. 定语：名词可以作为另一个名词的定语，用来限定其意义，如"**Book** store"（书店）。

4. 表语：名词可以作为系动词的表语，说明主语的身份、性质等，如"The girl is a **student**."（这个女孩是一名学生）。

七年级上册英语可数名词单数变复数规则及练习（含答案）可数名词单数变复数规则及练习（含答案）名词可以分为可数名词与不可数名词，其中可数名词具有单复数的形式；而不可数名词没有可数名词复数变化规则如下：1．一般情况下，直接加-s，如：book-books, bag-bags, cat-cats, bed-beds2．以s. x. sh. ch结尾，加-es，如：bus-buses, box-boxes, watch-watches3．以“辅音字母+y”结尾，变y为i, 再加-es，如：family-families, strawberry-strawberries4．以“f或fe”结尾，变f或fe为v, 再加-es，如：knife-knives5.以o结尾，有生命的加es, 无生命的加s. 如：potato-potatoes. zoo-zoos6．不规则名词复数：man-men, woman-women, policeman-policemen, policewoman-policewomen, mouse-micechild-children, foot-feet,. tooth-teeth, fish-fish, sheep-sheep people-people, Chinese-Chinese, Japanese-Japanese,当people 后加上s时即peoples表示“民族”例如There are 56 peoples in China.以下词为常为不可数名词，他们的复数形式就是他们本身。

water(水) milk(牛奶) tea(茶) rice(米饭) orange（橙汁）juice （果汁）bread（面包）不可数名词的数量关系可借助量词表示，如。

a cup of tea two cups of tea名词复数练习题1）.填入所给名词的正确形式1. I have two_____ (knife)2. There are many _____ here. (box)3. There are many _____ on the road. (bus)4. A few ____boys_ are drawing on the wall. (boy)5. The _childen____ are playing football now. (child)2）选择填空1. They come from different ______A. countryB. countriesC. a countryD. countrys2. How many ______ do you see in the picture?A. tomatosB. tomatoesC. tomatoD. the tomato3. There are some ______ in these _______.A.knifes…pencil-boxesB.knives…pencils-boxC.knives…pencil-boxD.knives…pencils-boxes4. There is no ______ in the plate.A. applesB. orangesC. riceD. eggs5. _______ are good for our health.A. TomatosB. TomatoesC. Tomato6. I like to eat cake with ______.A. cherriesB. cherryC.cherrys7. ______ and ______ are not friends.A. Foxs…wolfsB.Foxes wolfsC.Foxes…wolves8. Do you want to drink much ?A.a milkkks9. This is room. It’s very bi g.A.Lily and Lucy’sB.Lily’s and Lucy’sC.Lily’s and Lucy10. Do you want some for supper?A、a potatoB、potatoesC、potatos11. In autumn，you can see a lot of on the ground.A、leafB、leafsC、leaves12. My sister has two . One is old，the other is new.A、a watchB、watchsC、watches13.There on the wall .They are very beautiful.A. are photoesB. are photosC. is a photoD. is photos14. That’a art book.A. anB. aC. the D are15. There two in the box.A. is watchB. are watchesC. are watchD. is watches3）请用括号中名词的复数形式填空1． Look at those _______. (child)2． I can see a __________ standing near the door. (policeman) 3． Do you want some ________ for dinner? (potato)4．In autumn, you can see a lot of _______ on the ground.(leaf)5． He has two _______.One is blue , the other is yellow.( box) 6． Two ________ live in this building .( family )4）选择正确的词形1． How many (radioes, radios) can you see?2． There are 36 (boys, boies) in my class.3． Look at those (sheeps, sheep).4．I don’t want (a, an) old cup.5． Give me that (box, boxes), please.5）将以下单复数句进行转换1． This is a knife.___________________________________2． That is a tomato.___________________________________3． That child is very good.___________________________________4 .These are mice.___________________________________5． Those are children.___________________________________答案1.knives boxes buses boys children2.BBDCB ACBAB CCBAB3.Children policeman potatoes leaves boxes families4.Radios boys sheep an5.These are knives.Those are tomatoes.Those children are very good.This is rice.That is child.。

七年级下册英语第六单元不规则变化的可数名词复数
可数名词单数变复数的不规则变化有如下几种变化：
man / men 男人woman / women 女人
child / children 小孩tooth / teeth 牙齿
foot / feet 脚goose / geese 鹅
mouse / mice 老鼠ox / oxen 公牛
【注】(1) 一些以man, woman 结尾的合成词，在构成复数时与man, woman 的变化形式相同，如：policeman / policemen(警察)，gentleman / gentlemen(绅士)，Englishman / Englishmen (英国人)，等等。

但是human(人)，German(德国人)不是合成词，其复数不能仿man 的变化规律，而是按规则变化，即用humans, Germans。

(2) foot表示“英尺”时，其复数可以有两种形式feet / foot，如：He is about six feet [foot] tall. 他大约6英尺高。

2. 单数与复数同形的名词。

常见的主要的有：
sheep 绵羊fish 鱼
deer 鹿Chinese 中国人
Japanese 日本人Portuguese 葡萄牙人
Swiss 瑞士人aircraft 飞行器
means 方法series 系列
head (牛等的)头数works 工厂
【注】fish 有时也用fishes 这样的复数形式，尤其是表示种类时;head 若不是表示牲口的“头数”，而是表示“人的头”或“人数”，则要用heads 这样的复数形式。

名词单数变复数规则规则变化1）一般情况下加-s如book--books（书） desk--desks（书桌）2）以s ,x ,ch , sh结尾加-es如box--boxes（盒子）bus--buses(公共汽车)brush--brushes watch--watches注意①以 th 结尾加-s, month--months②stomach--stomachs3)以辅音字母+结尾，变y为i再加- es。

如city--cities(城市) country--countries(国家)baby-babies婴儿 family--families家庭注意以元音+y，直接加s。

如：day--days(天)，boy--boys(男孩)4)以f或fe结尾，复数变f或 fe 为v再加-es如knife-knives(书) , half-halves(一半) leaf---leaves树叶(thief ,wife ,life ,shelf ,knife ,leaf ,self ,half ,wolf)注意①有少数词后直接加s，如roof-roofs (屋顶)5)以o结尾分2类(1)o结尾的加-es如tomato-tomatoes(西红杮) potato-potatoes(土豆) hero-heroes（英雄）(2) o结尾名词的加-s如piano-pianos (钢琴), zoo-zoos(动物园)photo-photos (照片), kangaroo-kangaroos(袋鼠)kilo-kilos(千克)注意zero 两种方式都可：zero-zeros或 zeroes(零)不规则变化1) 元音字母发变化。

如man--men(男人) ， woman--women(妇女)tooth--teeth(牙齿) ， foot--feet(脚)mouse--mice(老鼠) ， policeman--policemen(警察)policewoman--policewomen(女警察)2) 词尾发生变化。

不可遗漏的语法层面的词形转换Group 1名词变复数1．可数名词变复数规则变化2.可数名词变复数不规则变化Group 2代词的变化Group 3形容词/副词变比较级和最高级1．规则变化注意：(1)少部分双音节词是以­er，­y，­ow和­le结尾的单词，直接加­er，­est或者­r，­st，如：clever，early，yellow，narrow，simple等。

(2)下列形容词没有比较级和最高级(即表示“最高程度”或“绝对状态”的形容词和副词没有比较级和最高级)，如：empty；wrong；perfect；unique；extreme；excellent；favourite；true；right；correct等。

2．不规则变化Group 4动词变单数第三人称，过去式/过去分词和现在分词Group 5数词的变化1．基数词2.序数词3．分数参考答案Group 11．books apples companies days monkeys matches brushes months stomachs heroesradios pianos knives chiefs2．feet teeth mice policemen Japanese meansseries childrenGroup 2me myself we ours yourself you yours hisher its itself them theirsGroup 31．taller tallest shorter shortest later latest easier easiest heavier heaviest thinner thinnest bigger biggest more beautiful most beautiful more serious most serious more boring most boring more tired most tired2．better worst more least farther furthest elder oldestGroup 4writes finishes mixes goes cries hopedadmitted carried reading having runningGroup 51．two four six eight ten twelve fourteen fifteen eighteen forty ninety 2．second fourth ninth twelfth ninetieth twenty­third3．two thirds two and three fifths。