单数-复数句型转换讲解部分
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句子的单复数互换句子的单复数转换的规则是:对应句中的名词、代词、动词等,能变则变,不能变的,要么保留,要么去掉。
要做到熟练掌握并运用这一规则,必须掌握名词的单复数的变化规则,代词对应的人称和单复数,动词的第三人称单数的变化规则等。
在解题过程中,还必须具体情况具体对待。
eg. (1)This is his brother .→ These are his brothers.(2) That is a boy.→ Those are boys.(3) He is an English boy.→ They are English boys .上述例句中,划线的为能变的,没划线的为该保留的,加号的a(an)为该去掉的。
反之,在由复数变为单数时,则要根据句意在名词之前补上一个a (an)。
eg. They are English girls. (用 she 改写)→ She is an English .但是对于"There be"句型,单复数转换时句中的 a / an不能去掉,而要根据句式将其与some或any 互换。
eg. (1) There is a box on the table.→ There are some boxes on the table .Exercise一、写出下列词的复数形式book-- key-- family-- this-- watch— is-- dictionary-- that—friend-- boy—二、单复数互换1 This is his brother._____ _____ his ________ .2.It is my pen .____ ____ my _____ .3.That is her sister._____ ____ her ______.4.These are English books_____ _____ English books5.Those aren’t dictionaries._____ _____ ______ dictionary名词的数1.可数名词有单数和复数两种形式,其复数形式的构成主要有以下几种:(1)一般情况下,在词尾加s.book——books,desk——desks,pen——pens,boy——boys(2)以s,x,ch,sh结尾的词名词变复数时,要在词尾加es.class——classes,box—boxes watch——watches,(3)以“辅音字母+y”结尾的名词,先变y为i,再加es.family——families,dictionary----dictionaries strawberry——strawberries (4)以元音字母o结尾的名词,变复数时情况如下:tomato—tomatoes,potato—potatoes注:当一个名词作定语说明另一个名词时,这个名词一般用单数。
七年级英语[上册]单复数和句型转换七(3)班英语10⽉10⽇语法学习名词单复数和句型转换⼀、名词的单数复数:“⼀个”是单数,“数个”是复数1.请把名词变为复数:pen---____________ pencil---______________ book---_____________orange---_____________ cup---______________ruler---______________key---_______________ boy----______________dictionary---______________ strawberry---_________________ (以_______结尾的名词要改____为____再加______) box---_____________ bus---____________dish---____________watch---_____________ zoo---______________photo---________________radio---________________hero---______________potato---________________tomato---__________________2.be动词的变化(单数___________复数______________)①I __________ a teacher. He __________ a boy. She ___________ a girl.②This ___________ a book. These _____________ books.③It _________ a pen. They ____________ pencils.④We ____________ good friends. _____________ you fine? ⑤---____________ those rulers? ---Yes, they ___________.⑥---__________ that your book? ---No, it ______________.⑦---You and I ____________ in China. My friend _________ in China, too.⑧---____________these your pencils? ---No, they _____________.⑨---___________ that your pencil box? ---No, it __________. It _______ his. ⑩---The schoolbag ___________ yellow. The cups ___________ white.3.短语:我的名字_________ ____________我的姓_______ _____________ _________你的名_________ __________ ___________他的书_________ ___________两本字典__________ ______________________三⽀钢笔__________ __________ 四个杯⼦____________ ______________五块橡⽪__________________________ ⼀本英语书_____ ______________ __________六把尺⼦________ ___________ 七个⽂具盒__________ ______________________________她的朋友们__________ ________________他的夹克衫__________ ____________ 4.句⼦转换为复数。
牛津小学英语句型转换----a19679f5-7161-11ec-93ba-7cb59b590d7d句型转换方法归纳如何把单数句变成复数句?请注意以下几点:人称代词主格单数变成相应的人称代词主格复数,即i→we;you→you;she,he,it→they。
如:sheisagirl.→theyaregirls.2.Am,is,is。
例如:我是学生→疲惫的学生。
3.不定冠词a,an要去掉固定搭配除外。
如:heisaboy.→theyareboys.4.可数名词单数要变为复数形式。
如:itisacat.→theyarecats.指示代词this,that变成this,that。
例如:这本书→这些是书。
七、单数句变复数句时,句中的形容词、定冠词、副词、疑问词、介词短语和感叹词等保持不变。
例如:whoisshe?她是谁?→whoarethey?她们是谁?※记住将单数句变成复数句的公式。
单数句子变复数,变化规则要记住。
名词代词要变化,am,is要变are。
这个,那个,替换它。
他,她,它,不管它想改变什么,都要改变。
我想改变我们不跌倒,在名词后面加s/E。
删除名词前的冠词,然后按原样添加其他冠词。
1.这是一个陷阱。
那是一本书(复数)3thoseareenglishmaps.(变单数句).4it’sawatch.(变复数句)6theyaresomeboys.(变单数句)7iamastudent.(变复数句)8.这些是橙色的。
(可变单数句)改为一般疑问句1.找出be动词am,is,are,was,were或情态动词can,may,must,will,should,can如果你有这些词,把它们直接放在句子的前面,把一些改为any,句号改为问号!复制其余的;(如果受试者是第一人称,则成为第二人称)2、如果句子中没有be动词或者是情态动词,要在句子最前面加助动词do、does或者是did。
首先判断句子的时态。
如果句子是过去时,在句子的开头加上did,在其后的动词中使用原型,将一些改为any,句号改为问号,并复制其余部分;(如果受试者是第一人称,则成为第二人称)如果句子不是过去式,则判断是否为第三人称单数,如果第三人称单数,要在句子最前面前加助动词does,下面的动词是原型,有些改成了any,句号改成了问号,其余的都是复制的。
初一英语名词单数变复数用法口诀及练习测试、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-pe ns; apple-apples探s, x,乙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)一wives, knife(小刀)一knives, wolf(狼)一wolves (妻子”拿着"小刀”杀了“狼”[②thief(小偷)—thieves ③shelf(架子)一shelves, self(自己)—selves, life(性命)—lives ④half(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; mon key - mon keys5、口诀:词尾字母若是o,常用三个已足够,要力口-es 请记好,hero, tomato, potato。
美国黑人和英雄爱吃土豆和西红柿。
negro-n egroes; hero-heroes; potato-potatoes; tomato-tomatoes其余o 结尾的词力口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。
女口:grown-up —grown-ups (成年人)man docto —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; woma n-wome n; 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 he/she--- theythat -- 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.女口:policewoman, postman, fisherman 等。
2017小升初英语语法知识点-单数句变复数句语法是小升初英语考试必考的内容,因此考生必须掌握好小升初英语语法知识点,为了帮助大家复习英语语法知识点,下面为大家带来2017小升初英语语法知识点-单数句变复数句,希望大家认真记忆。
同学们在做句型转换练习时,一定见过不少将单数句变成复数句的习题吧!不少学生在做这类练习题时总会有点顾此失彼?那么如何才能正确?完整地将单数句变成复数句呢?请走进非常6+1之单数句变复数句?例句①I am a student. ②It is an red apple. ③This is my friend. ④She is a woman doctor.⑤What color is the flower? ⑥He is at home.1 人称代词主格要由单数形式变为复数形式即:Iwe,youyou (you 的单复数形式相同)he (she,it)they?①②④⑥2 am,is要变为are①②③④⑤⑥3 不定冠词a/an要去掉①②③4 指示代词this和that要分别变为these或those①5 可数名词单数要变为其相应的复数形式①②③④⑤⑥6 man或woman作定语修饰可数名词时,在整个句子变成复数句的情况下,也要变为复数形式men?women.单数句变复数句时,句中的形容词?定冠词?副词?疑问词?介词短语和感叹词等都保持不变.②④⑤⑥一句话语法:单数句子变复数,变化规则要记住。
名词代词要变化,am,is要变are。
this,that变成啥,these,those来替它。
he,she,it要变啥,全部变they不用怕。
人称名词复数变,记清不规则变化名前冠词去掉它,其余成分原样加。
单数句:--Whats this? --Its a pen复数句--What . .单数句:--Whats that? --Its an English book.--What .2017小升初英语语法知识点-单数句变复数句是教育为大家带来的,希望大家在备考小升初英语的时候能够重视语法知识点,这样考试的时候就能轻松应对英语语法题。
小升初英语语法专项复习:句型转换单数句变复数句【知识梳理】单数句变复数句歌谣:单数句变复数句,代词四变要记住。
人称,指示,反身变物主代词看一看。
连系动词am is变成are。
冠词a an要去掉,改为some, any也可以。
名词做定语,介宾不要变;有man和woman也例外。
句式不要变,十全十美题做完。
1.例1. She is a girl. They are girls.例2. I like her. We like them.2. 指示代词由单数变复数:例1. This is a book. These are(some)books.例2. Is that a pen?Are those(any)pens?3. 反身代词:第一人称myself ourselves第二人称yourself yourselves第三人称himself themselves( herself, itself )【例题精讲】例1. I am teaching myself computer.We are teaching ourselves computer.例2. The child himself draws this picture.The children themselves draw these pictures.4. 物主代词由单数变复数:名词性物主代词:mine ours,yours yours,his/hers/its theirs形容词性物主代词:my our,your your,his/her/its their例1. The book is mine. The books are ours.例2. This is her pen. These are their pens.5. 一般情况下,形容词性物主代词在单数句变复数句时不变。
例1. This is my book. These are my books.6. 当句中形容词性物主代词与句中的主语一致时,形容词性物主代词应随主语人称的变化而变化,仍要保持一致。
单数句变复数句辅导版权--必须让孩子复习并掌握可数名词的复数形式的部分规则1.一般情况加s,结尾是清辅音读[s],结尾是浊辅音或元音读[z]。
例:bag→ bags hat →hats; bottle→ bottles sport→sportspiece →pieces book—books shirt—shirts pant—pants 2. 以s, x, ch, sh 结尾的词,在该词末尾加上后辍-es构成复数,读[iz]例:bus→ buses fox → foxes; match→ matches watch →watches3. 以辅音字母+y结尾的名词,将y改变为i,再加- es,读[z]。
candy→ candies; factory→ factories city→ cities baby--babieslady→ ladies; story→ stories butterfly--butterflies4.以-o结尾的名词,有生命的加-es,无生命的加-s构成复数。
读[z]。
例:tomato→ tomatoes ; potato→ potatoespiano→ pianos photo→ photos(无生命)5.以-f或-fe结尾的名词,多为将-f或-fe改变为-ves,但有例外,读音变化:尾音[f]改读[vz]。
例:knife→ knives life→ lives leaf→ leaves wife—wives wolf—wolvesscarf→ scarves/ scarfs 反例:roof→ roofs6 以-ce se ze(d)ge等结尾的名词,加-s,读[z]。
price—prices case—cases orange—oranges bridge--bridges名词的不规则变化:man→ men woman→ women child→ children people→peoplefish→ fish sheep→ sheep deer→ deer foot→ feetmouse→ mice tooth→ teeth goose—geese将下列名词变为复数形式map egg apple orange tomato potato photo zoo picturechairbox bus girl boy baby monkey wolf giraffe knife man womantable desk dictionary deer goat fish child foot tooth mousecola milk water coffee chicken fish cream juice tea单数句变复数句歌谣:单数句变复数句, 代词四变要记住。
人称,指示,反身变 物主代词看一看。
连系动词 am is 变成 are。
冠词a an要去掉,改为some, any也可以。
名词做定语,介宾不要变;有man和woman也例外。
句式不要变 。
一. 人称代词由单数变复数:1 主格 I --- we ,you --- you ,he/she/it --- they .2 宾格me--- us ,you--- you ,him/her/it --- them .She is a nice girl. ------ They are nice girls .I like him. ----- We like them.二. 指示代词由单数变复数:this ----these , that--- thoseThis is an English book. These are(some)English books .Is that a new pencil? Are those(any)newpencils?三. 反身代词: 第一人称 myself---ourselves 第二人称yourself---yourselves 第三人称 himself/ herself / itself ----themselvesI am teaching myself English. ---We are teaching ourselves English. The child herself draws this picture.--The children themselves draw these pictures.四. 物主代词由单数变复数:1 名词性物主代词:mine--- ours ,yours--- yours ,his/hers/its--- theirs2 形容词性物主代词:my --- our, your---your ,his/her/its -----theirThe book is mine.----- The books are ours.That is her pencil-case.---- Those are their pencil-cases.一般情况下,形容词性物主代词在单数句变复数句时不变。
This is my book . ---- These are my books .五.当句中形容词性物主代词与句中的主语一致时,形容词性物主代词应随主语人称的变化而变化,仍要保持一致。
He likes his bike. ----- They like their bikes.六. 连系动词由单数变复数 :is/am ---- areI am a Chinese teacher.----- We are(some)Chinese teachers.七. a/an表示一个,只能用在单数名词前,当单数句变复数句时,一定要把a/an去掉,或改为some/any。
This is an orange. ---These are(some)oranges.Is that an eraser ? --- Are those(any)erasers?八. 当名词作定语或在介词短语中作介词宾语充当除宾语以外的其它成分时。
该名词不变。
He is a boy student.------They are(some)boy students.(man和woman)除外。
She is a woman worker.---Theyare(some)women workers.单数句变为复数句时,句式不能改变,即单数句是疑问句时,变为复数句时,仍然是疑问句。
What’s this?---- What are these?She likes her watch. They like their watches.下面是我摘录的内容(大同小异),供参考:1. 可数名词单数要变为其相应的复数形式。例如: I am a teacher.→We are teachers. It is a box.→They are boxes.2. 人称代词主格要由单数形式变为复数形式,即:I→we,you→you (you的单数形式和复数形式相同),he (she,it)→they。例如: I am a student.→We are students. She is a girl.→They are girls.3. am, is要变为are。例如: I am in Grade One.→We are in Grade One. He is a teacher.→They are teachers.4. 指示代词this和that要分别变为these或those。例如: This is a pencil-case.→These are pencil-cases. That is an English car.→Those are English cars.5. 不定冠词a/an要去掉。例如: It is a black cat.→They are black cats. She is an English teacher.→They are English Teachers.6. man或woman作定语修饰可数名词时,在整个句子变成复数句的情况下,也要变为复数形式men、women。例如: She is a woman doctor.→They are women doctors. 注意:在单数句变为复数句时,普通单数可数名词要变为复数形式,但当名词修饰名词表示“性质”时,作修饰语的名词不必变化。例如: This is an apple tree. 这是一棵苹果树。→These are apple trees.这些是苹果树。 6+1. 单数句变复数句时,句中的形容词、定冠词、副词、疑问词、介词短语和感叹词等都保持不变。例如: Who is she? 她是谁?→Who are they? 他们是谁? He is young. 他年轻。→They are young. 他们年轻。单数句变复数句精炼一. 将下列单数句变为复数句1 This is a box.2 Is that a pear?3 She is a girl student.4 I like her.5 The book is mine.6 This is her sweater.7 I am a woman teacher.8 He is a man doctor.9 She is an English girl.10 He likes his bike.二. 将下列复数句变为单数句1 What are these?2 They like their old bikes.3 These are my Chinese dictionaries.4 These are(some)oranges.5 Are those(any)sheep?6 They are white teeth.7 We like them.8 These are(some)knives.9 Are those(any)pink scarves?10. They like their babies.单数句变复数句精炼答案一 将下列单数句变为复数句1.This is a box.--- These are(some)boxes .2.Is that a pear?--Are those(any)pears?3. She is a girl student. –They are girl students.4. I like her.—We like them.5. The book is mine.---The books are ours.6. This is her sweater.—These are their sweaters.7. I am a woman teacher.--We are(some)women teachers.8. He is a man doctor.--- They are(some)men doctors.9. She is an English girl.--- They are (some) English girls.10. He likes his bike.--They like their bikes.二 将下列复数句变为单数句1 What is this?2 He likes his bike3 This is my book .4 This is a book .5 Is that a pen?6 She is a girl .7 I like her.8 This is a book ..9 Is that a pen?10. He likes his computer.。