单数句变复数句六绝招

1、单数句变复数句六绝招时间：2021.02.09创作人：欧阳历单数句变复数句是七年级英语试题中的一个题类，小 学英语一般很少涉猎，进入初中，有的同学在做类似题时 往往丢三落四，容易出错。只要注意下面的六要素，问题 便迎刃而解：1. 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, i t-*theyo 如I：She is a gir1* They are girls2. am, is 变为 are。如：I'm a studentWe are students3. 不定冠词a, an要去掉。女mHe is a boy. They are boys4

2、. 普通单数名词要变为复数形式。女小It is a cat They are cats5. 指示代词 this, that 变为 these, those。如I：This is a bookThese are books6. man, woman作定语修饰可数名词时，要在”数”上与 被修饰名词保持一致。但其他名词修饰名词表示”性质“ 时，不作变化。女ILHe is a man doctor.fThey are men doctorsThis is an apple tree.fThey are apple trees记住单数句变复数句的口诀。单数句子变复数，变化规则要记住。名词代词要变化，am

3、, is要变are。this, that 该咋办，these, those 替代它。he, she, it要变啥，全部变they就行了。I要变we别落下，名词后面把s/es加。名前冠词去掉它，其余成分原样加。但是，在英语中有些单数句不能变为复数句，女口： Lily is fourteen.（莉莉十四岁。）His name is Jim.（他的名字叫 吉姆。）等。单数句变复数句练与析安徽巢湖仞小泉同学们都会把单数可数名词变为复数形式，可当我们在做 将单数句变为复数句'这种题目时，常常会顾此失彼出 现不少错误。你难道不例外吗？那就Have a try!【练习展示】酩下列单数句改为复数句。1

4、. This is a chair2. Is that a penci 1-box?3. He is a good boy.4. Is it a ruler ?5. I am an English teacher6. This is my new book.7. That blue eraser is mine8. Whats this in English?9. I am a driver10. She has a pencil sharpener11 Is it a pear ?12. This is my pen.13. He 1 ikes his bike14. Is that an

5、apple tree?15. He is a man doctor16. What s your telephone number?17. Where is your computer?18. Are you in Class One?19. -Is that his brother? No, it isn't.20. she my teacher?Yes, she is.21. I am at home.22. He can have a look at this picturek面练习做得还顺手吗？还是看看专家是如何解析吧！【专家解析】单数句变复数句涉及名词和动词的人称和 数，人称

6、代词、物主代词、指示代词的人称和数的问题。单数句变为复数句时，上述各类词都要做相应变化，其它 词类不变。当然，也有一些特殊的情况。1. These are (some) chairs2. Are those (any) penci1boxes?在把单数句子变为复数句子时，指示代词需要作相应的 变化：this-*these, thattheseo 第 1、2 小题即是如此。3. They are (some) good boys4. Are they (any) rulers?5. We are English teachers在把单数句子变为复数句子时，人称代词需要作相应的 变化：主格：Iwe

7、, you*you, he/she/iLthey宾格：meus, youfyou, him/her/itthemo 第 3、4、5小题即是如此。6. These are our (my) new books7. Those blue erasers are ours.在把单数句子变为复数句子时，物主代词需要作相应的 变化：形容词性物主代词： my*our, your your, his/her/its-*thei r名词性物主代词:mine ours, yours yours， his/her/its-theirso 第 6、7 小题即是如此。8. What are these in Engl

8、ish?9. We are (some) drivers.在把单数句子变为复数句子时，连系动词be需要作相应 的变化：(be)am/is>areo第8、9小题即是如此。10. They have (some) penci 1 sharpeners11. Are they (any) pears? a/an表示经个只能用在单数可数名词之前，在把单数 句子变为复数句子时，一定要把a/an去掉，或改为 some/anyo第10> 11小题即是如此。12. These are my pens 13. They 1 ike their bikes.在把单数句子变为复数句子时，一般情况下，形容

9、词性 物主代词不需要改为复数形式。第12小题即是如此；但是 当句中形容词性物主代词与句中的主语一致时，该物主代 词应随主语人称的改变而变化，仍要保持一致。第13小题 即是如此。14. Are those (any) apple trees15. They are (some) men doctors在把单数句子变为复数句子时，起修饰作用(作定语)的 名词一般保持不变，只将其后的名词改为复数形式。第14 小题（如apple）即是如此；但是，若man或woman做定语 修饰可数名词时，在整个句子变成复数的情况下也要变成 men或women。第15小题即是如此。16. What are your t

10、elephone numbers?17. Where are your computers?18. Are you in Class One?在把单数句子变为复数句子时，第二人称形容词性物主 代词your与其人称代词you单复数同形，因此只需要改变 其他部分的单复数形式即可。如第16、17、18小题即是。19. -Are those their brothers? No, they aren't.20. Are they our teachers?Yes, they are在把单数句子变为复数句子时，句式不能改变，即单数 句子是疑问句，变为复数句子时仍然是疑问句。第19、20 小题即是

11、。21. We are at home22. They can have a look at these pictures凡事都有特殊情况，在把单数句子变为复数句子时，一 些固定短语（如at home, have a look等）中的单数可数名 词是不可以改变的，仍然保留原先的单数形式。如第21小 题中的home,第22小题中的look即是如此。【解题口诀】当同学们掌握了名词变复数的基本方法之后，再记住下面 的口诀。相信T数句变复数句这一语法难点便会迎刃而 解。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

12、它。he, she, it要变啥，全部变they不用怕。I变we莫落下，名词后面把-s/-es加。名前冠词去掉它，其余成分原样加。名词定语别管它，man与woman是例外。一般规则照着用，固定短语分清楚。单数句变复数句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

13、you , him/her/i t them .例 1 She is a girl They are girls .例 2 I 1 ike her. We1 ike them.2指示代词由单数变复数:this thesethatthose1 This is a book .These are (some)books 2 Is that a pen?Arethose (any)pens?反身代词：第一人称myselfourselves第二人称yourselfyourselves第三人称himselfthemselves(herself,itself )I am teaching myself c

14、omputer.We are teaching ourselfcomputer.例 2 The chi Id himself draws thispicture.The children themselves draw thesepictures 4物主代词由单数变复数：1名词性物主代词：mine ours ,yours yours ,his/hers/i tstheirs2形容词性物主代词：my our, youryour ,their例books are ours 例are their pens5 一般情况下，变复数句时不变。例his/her/its1 The book is mine T

15、he2 This is her pen These形容词性物主代词在单数句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。例 1 He 1 ikes his bike. They1 ike their bikes7连系动词由单数变复数:is/am are例 1 I am a teacher. We are ( some ) teachers 8 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。例 1 This i

16、s a book These are (some) books 例 2 Is that a pen?Arethose (any) pens?9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。例 1 He is a boy student .They are (some) boy students(man 和 woman)除外。例 2 She is a woman worker They are ( some ) women workers 10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。例 1 What 's this

17、 ? What are these?例 2 She likes his bike. They1 ike their bikes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：friend-*friends; cat*cats; style-* styles; sporLsports;piecepieces2以s、x、ch> sh结尾的词，在该词末尾加上后 辍es构成复数。读izo例：bus*buses; quiz quizzes; foxfoxes;match-* matches; flash-*flashes3以辅音字母+y结尾的名词，将y

18、改变为i,再加eSo读z。例：candy candies; daisy daisies; fairy fai ries;ladyladies; story-*stories4以0结尾的名词，有生命的加es,无生命的加s 构成复数。读。例：tomato-*tomatoes; potato-*potatoes; torpedotorpedoes ;bingo-* bingoes （有生命）例：silosilos; pianopianos;photo-*photos; macro-*macros （无 生命）5以f或结尾的名词，多为将f或fe改变为 ves,但有例外。读音变化:尾音f改读vzo例：k

19、nifeknives; life-* lives; leaf leaves; staffstaves;scarf-*scarves 反例：roof-*roofs6以ce se ze （d） ge等结尾的名词,加s,读z。例 price prices case cases orange一oranges名词的不规则变化：man men; woman women; chi Id children; peoplepeople;fish-* fish; sheep-* sheep; deer-deer; foot mousemice; toothteeth;单数句变复数句精炼一将下列单数句变为复数句1

20、This is a book 2 Is that a pen?3 She is a girl .4 I 1 ike her.5 The book is mine6 This is her pen.7 I am a teacher.8 He is a boy student 9 She is a woman worker.10 He likes his bike.二将下列复数句变为单数句1 What are these?2 They 1 ike their bikes.3 These are my books 4 These are (some) books 5 Are those (any) pens?6 They are girls 7 We 1 ike them.8 These are (some) books 9 Are those (any) pens?l