單數(shù)句變復(fù)數(shù)句六絕招

1、單數(shù)句變復(fù)數(shù)句六絕招時(shí)間：2021.02.09創(chuàng)作人：歐陽(yáng)歷單數(shù)句變復(fù)數(shù)句是七年級(jí)英語(yǔ)試題中的一個(gè)題類(lèi)，小 學(xué)英語(yǔ)一般很少涉獵，進(jìn)入初中，有的同學(xué)在做類(lèi)似題時(shí) 往往丟三落四，容易出錯(cuò)。只要注意下面的六要素，問(wèn)題 便迎刃而解：1. 人稱(chēng)代詞主格單數(shù)變成相應(yīng)的人稱(chēng)代詞主格復(fù)數(shù)，即I -*we;you*you;she,he, i t-*theyo 如I：She is a gir1* They are girls2. am, is 變?yōu)?are。如：I'm a studentWe are students3. 不定冠詞a, an要去掉。女mHe is a boy. They are boys4

2、. 普通單數(shù)名詞要變?yōu)閺?fù)數(shù)形式。女小It is a cat They are cats5. 指示代詞 this, that 變?yōu)?these, those。如I：This is a bookThese are books6. man, woman作定語(yǔ)修飾可數(shù)名詞時(shí)，要在”數(shù)”上與 被修飾名詞保持一致。但其他名詞修飾名詞表示”性質(zhì)“ 時(shí)，不作變化。女ILHe is a man doctor.fThey are men doctorsThis is an apple tree.fThey are apple trees記住單數(shù)句變復(fù)數(shù)句的口訣。單數(shù)句子變復(fù)數(shù)，變化規(guī)則要記住。名詞代詞要變化，am

3、, is要變are。this, that 該咋辦，these, those 替代它。he, she, it要變啥，全部變they就行了。I要變we別落下，名詞后面把s/es加。名前冠詞去掉它，其余成分原樣加。但是，在英語(yǔ)中有些單數(shù)句不能變?yōu)閺?fù)數(shù)句，女口： Lily is fourteen.（莉莉十四歲。）His name is Jim.（他的名字叫 吉姆。）等。單數(shù)句變復(fù)數(shù)句練與析安徽巢湖仞小泉同學(xué)們都會(huì)把單數(shù)可數(shù)名詞變?yōu)閺?fù)數(shù)形式，可當(dāng)我們?cè)谧?將單數(shù)句變?yōu)閺?fù)數(shù)句'這種題目時(shí)，常常會(huì)顧此失彼出 現(xiàn)不少錯(cuò)誤。你難道不例外嗎？那就Have a try!【練習(xí)展示】酩下列單數(shù)句改為復(fù)數(shù)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面練習(xí)做得還順手嗎？還是看看專(zhuān)家是如何解析吧！【專(zhuān)家解析】單數(shù)句變復(fù)數(shù)句涉及名詞和動(dòng)詞的人稱(chēng)和 數(shù)，人稱(chēng)

6、代詞、物主代詞、指示代詞的人稱(chēng)和數(shù)的問(wèn)題。單數(shù)句變?yōu)閺?fù)數(shù)句時(shí)，上述各類(lèi)詞都要做相應(yīng)變化，其它 詞類(lèi)不變。當(dāng)然，也有一些特殊的情況。1. These are (some) chairs2. Are those (any) penci1boxes?在把單數(shù)句子變?yōu)閺?fù)數(shù)句子時(shí)，指示代詞需要作相應(yīng)的 變化：this-*these, thattheseo 第 1、2 小題即是如此。3. They are (some) good boys4. Are they (any) rulers?5. We are English teachers在把單數(shù)句子變?yōu)閺?fù)數(shù)句子時(shí)，人稱(chēng)代詞需要作相應(yīng)的 變化：主格：Iwe

7、, you*you, he/she/iLthey賓格：meus, youfyou, him/her/itthemo 第 3、4、5小題即是如此。6. These are our (my) new books7. Those blue erasers are ours.在把單數(shù)句子變?yōu)閺?fù)數(shù)句子時(shí)，物主代詞需要作相應(yīng)的 變化：形容詞性物主代詞： my*our, your your, his/her/its-*thei r名詞性物主代詞:mine ours, yours yours， his/her/its-theirso 第 6、7 小題即是如此。8. What are these in Engl

8、ish?9. We are (some) drivers.在把單數(shù)句子變?yōu)閺?fù)數(shù)句子時(shí)，連系動(dòng)詞be需要作相應(yīng) 的變化：(be)am/is>areo第8、9小題即是如此。10. They have (some) penci 1 sharpeners11. Are they (any) pears? a/an表示經(jīng)個(gè)只能用在單數(shù)可數(shù)名詞之前，在把單數(shù) 句子變?yōu)閺?fù)數(shù)句子時(shí)，一定要把a(bǔ)/an去掉，或改為 some/anyo第10> 11小題即是如此。12. These are my pens 13. They 1 ike their bikes.在把單數(shù)句子變?yōu)閺?fù)數(shù)句子時(shí)，一般情況下，形容

9、詞性 物主代詞不需要改為復(fù)數(shù)形式。第12小題即是如此；但是 當(dāng)句中形容詞性物主代詞與句中的主語(yǔ)一致時(shí)，該物主代 詞應(yīng)隨主語(yǔ)人稱(chēng)的改變而變化，仍要保持一致。第13小題 即是如此。14. Are those (any) apple trees15. They are (some) men doctors在把單數(shù)句子變?yōu)閺?fù)數(shù)句子時(shí)，起修飾作用(作定語(yǔ))的 名詞一般保持不變，只將其后的名詞改為復(fù)數(shù)形式。第14 小題（如apple）即是如此；但是，若man或woman做定語(yǔ) 修飾可數(shù)名詞時(shí)，在整個(gè)句子變成復(fù)數(shù)的情況下也要變成 men或women。第15小題即是如此。16. What are your t

10、elephone numbers?17. Where are your computers?18. Are you in Class One?在把單數(shù)句子變?yōu)閺?fù)數(shù)句子時(shí)，第二人稱(chēng)形容詞性物主 代詞your與其人稱(chēng)代詞you單復(fù)數(shù)同形，因此只需要改變 其他部分的單復(fù)數(shù)形式即可。如第16、17、18小題即是。19. -Are those their brothers? No, they aren't.20. Are they our teachers?Yes, they are在把單數(shù)句子變?yōu)閺?fù)數(shù)句子時(shí)，句式不能改變，即單數(shù) 句子是疑問(wèn)句，變?yōu)閺?fù)數(shù)句子時(shí)仍然是疑問(wèn)句。第19、20 小題即是

11、。21. We are at home22. They can have a look at these pictures凡事都有特殊情況，在把單數(shù)句子變?yōu)閺?fù)數(shù)句子時(shí)，一 些固定短語(yǔ)（如at home, have a look等）中的單數(shù)可數(shù)名 詞是不可以改變的，仍然保留原先的單數(shù)形式。如第21小 題中的home,第22小題中的look即是如此。【解題口訣】當(dāng)同學(xué)們掌握了名詞變復(fù)數(shù)的基本方法之后，再記住下面 的口訣。相信T數(shù)句變復(fù)數(shù)句這一語(yǔ)法難點(diǎn)便會(huì)迎刃而 解。單數(shù)句子變復(fù)數(shù)，變化規(guī)則要記住。 名詞代詞要變化，am, is要變are。this, that 變成啥，these, those 來(lái)替

12、它。he, she, it要變啥，全部變they不用怕。I變we莫落下，名詞后面把-s/-es加。名前冠詞去掉它，其余成分原樣加。名詞定語(yǔ)別管它，man與woman是例外。一般規(guī)則照著用，固定短語(yǔ)分清楚。單數(shù)句變復(fù)數(shù)句單數(shù)句變復(fù)數(shù)句歌謠：?jiǎn)螖?shù)句變復(fù)數(shù)句, 代詞四變要記住。人稱(chēng)，指示，反身變物主代詞看一看。連系動(dòng)詞am is 變成are。冠詞a an要去掉，改為some,any也可以。名詞做定語(yǔ)，介賓不要變；有man和woman也例外。 句式不要變，十全十美題做完。1人稱(chēng)代詞由單數(shù)變復(fù)數(shù)：1 主格 I we , you you , he/she/it they 2 賓格 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指示代詞由單數(shù)變復(fù)數(shù):this thesethatthose1 This is a book .These are (some)books 2 Is that a pen?Arethose (any)pens?反身代詞：第一人稱(chēng)myselfourselves第二人稱(chēng)yourselfyourselves第三人稱(chēng)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物主代詞由單數(shù)變復(fù)數(shù)：1名詞性物主代詞：mine ours ,yours yours ,his/hers/i tstheirs2形容詞性物主代詞：my our, youryour ,their例books are ours 例are their pens5 一般情況下，變復(fù)數(shù)句時(shí)不變。例his/her/its1 The book is mine T

15、he2 This is her pen These形容詞性物主代詞在單數(shù)句1 This is my book These are my books 6當(dāng)句中形容詞性物主代詞與句中的主語(yǔ)一致時(shí)，形容詞性物主代詞應(yīng)隨主語(yǔ)人稱(chēng)的變化而變化，仍要保持一致。例 1 He 1 ikes his bike. They1 ike their bikes7連系動(dòng)詞由單數(shù)變復(fù)數(shù):is/am are例 1 I am a teacher. We are ( some ) teachers 8 a/an表示一個(gè)，只能用在單數(shù)名詞前，當(dāng)單數(shù)句變 復(fù)數(shù)句時(shí)，一定要把a(bǔ)/an去掉，或改為some/any。例 1 This i

16、s a book These are (some) books 例 2 Is that a pen?Arethose (any) pens?9當(dāng)名詞作定語(yǔ)或在介詞短語(yǔ)中作介詞賓語(yǔ)充當(dāng)除賓語(yǔ) 以外的其它成分時(shí)，該名詞不變。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單數(shù)句變?yōu)閺?fù)數(shù)句時(shí)，句式不能改變，即單數(shù)句是疑問(wèn)句時(shí)，變?yōu)閺?fù)數(shù)句時(shí)，仍然是疑問(wèn)句。例 1 What 's this

17、 ? What are these?例 2 She likes his bike. They1 ike their bikes可數(shù)名詞的復(fù)數(shù)形式的部分規(guī)則1 一般情況加s,結(jié)尾是清輔音讀s,結(jié)尾是濁輔 音或元音讀z。例：friend-*friends; cat*cats; style-* styles; sporLsports;piecepieces2以s、x、ch> sh結(jié)尾的詞，在該詞末尾加上后 輟es構(gòu)成復(fù)數(shù)。讀izo例：bus*buses; quiz quizzes; foxfoxes;match-* matches; flash-*flashes3以輔音字母+y結(jié)尾的名詞，將y

18、改變?yōu)閕,再加eSo讀z。例：candy candies; daisy daisies; fairy fai ries;ladyladies; story-*stories4以0結(jié)尾的名詞，有生命的加es,無(wú)生命的加s 構(gòu)成復(fù)數(shù)。讀。例：tomato-*tomatoes; potato-*potatoes; torpedotorpedoes ;bingo-* bingoes （有生命）例：silosilos; pianopianos;photo-*photos; macro-*macros （無(wú) 生命）5以f或結(jié)尾的名詞，多為將f或fe改變?yōu)?ves,但有例外。讀音變化:尾音f改讀vzo例：k

19、nifeknives; life-* lives; leaf leaves; staffstaves;scarf-*scarves 反例：roof-*roofs6以ce se ze （d） ge等結(jié)尾的名詞,加s,讀z。例 price prices case cases orange一oranges名詞的不規(guī)則變化：man men; woman women; chi Id children; peoplepeople;fish-* fish; sheep-* sheep; deer-deer; foot mousemice; toothteeth;單數(shù)句變復(fù)數(shù)句精煉一將下列單數(shù)句變?yōu)閺?fù)數(shù)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.二將下列復(fù)數(shù)句變?yōu)閱螖?shù)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