基数词和序数词讲解及练习
2024年人教版中考英语基数词详解以及练习

中考英语基数词详解以及练习1)中考英语基数词详解基数词是用来表示数目或者数量的词,没有限定顺序。
从1到100的基数词都有固定的表达形式,其中1~12的基数词较为特殊,需要逐个记忆,如one(1)、two(2)、three(3)等。
而13~19的基数词,除了thirteen(13)、fifteen(15)、eighteen(18)外,其余均在十位基数词后加-teen构成,如fourteen(14)、sixteen(16)等。
对于20~90的整十位数,它们都以-ty结尾,例如twenty(20)、thirty (30)、forty(40)等。
在构成21~99的基数词时,先说“几十”,再说“几”,中间加连字符“-”。
例如,twenty-one(21)、thirty-four(34)、seventy-six(76)等。
基数词在句子中有多种用法。
它可以表示确切的年龄,如“The little girl is six years old.”(这个小女孩六岁了。
)也可以用来表示时间的具体分钟数,如“I'll meet you at ten minutes past eight.”(我将在八点十分和你见面。
)此外,基数词还可以用来描述数量、价格等,如“I have three apples.”(我有三个苹果。
)或“The price of the book is fifty dollars.”(这本书的价格是五十美元。
)另外,基数词在表达倍数、算式等方面也有特定的用法,比如“twice three is six.”(二乘以三等于六。
)或者“five plus five equals ten.”(五加五等于十。
)例句:表示数量:I have seven books on my desk.(我桌上有七本书。
)They planted two hundred trees last year.(他们去年种了两百棵树。
[基数词和序数词的用法]序数词的用法
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[基数词和序数词的用法]序数词的用法篇一:[序数词的用法]英语序数词课件一.序数词用法1.基数词变序数词的规律:基变序,有规律。
1,2,3特殊记,加th从4起 (first,second,third,fourth)8少t,9去e,千万别忘记 (eighth,ninth) 逢5逢12,ve变f(fifth,twelfth)20到90,y要变ie (twentieth,ninetieth) 若是几十几,前基后序别倒位 (ninety-first)2.序数词常与定冠词the 连用。
练习:①Henry has learned eight _________ French words this year.A.hundredB.hundredsC.hundred ofD.hundreds of②The _________lesson is the most difficul t one in Book Two. (twenty)二.序数词的用途a. 用来表示时间例如:2022年2月28日可以表示为February 28th, 2022b. 用来表示顺序例如:He is always the first to come to school.他总是第一个来学校。
c. 用来表示楼层例如:He lives on the fourth floor.他住在四楼。
以下是表示月份的单词,同学们要牢记:January, February, March, April, May, June, July, August, September, October, November, December, 数词的用法:一、表示事物的编号:如: the ninth part = part nine 第九部分the Fourth Lesson = Lesson Four 第四课 the si某th paragraph= paragraph si某第六段二、表示年月日:“年”用基数词,“日用序数词”。
基数词序数词练习题

基数词序数词英语序数词及基数词基数词:表示“几个”two sons 两个儿子百千万表示确切的数目:用确切数目加hundred,thousand,millon的单数表示几百,千,万。
Two hundred 两百例题:There are about three hund red apples in the tree.树上有200个苹果百千万表示不确切的数目:”成百上千”,用hundred,thousand,millon的复数形式加of表示。
Hundred s of 其前可以被many,few修饰.There are hundreds of apples in the tree.树上有成千上万个苹果序数词表示“第几”序数词表顺序,一般需用定冠词。
second son 第二个儿子,The first of May五月的第一天(五月一日)Sunday is the first day of a week. 星期天是一个周的第一天基数词变序数词的规律基变序,有规律,词尾加上th;一二三,特殊记,词尾字母t,d,d(f irst,second,third);八减t(eighth), 九去e (ninth),f 来把ve替(five---fifth,twelve---twelft h); 单词ty作结尾,ty变成tie(twenty-twentieth);若是碰到几十几,变成tie(twenty-twentieth);若是碰到几十几,只变个位就可以(twenty-one----twenty-first).基数词与序数词的练习题一、:写出下列词的序数词1. one2.two3. six4.five5. nine6.twelve7.eight8.tw enty-one二、写出下列单词的基数词1.third2.fourth3.ten th4.twentieth5.ninete enth6.thirty-first _三、根据句子意思填空。
英语基数词和序数词用法讲解大全

英语基数词和序数词用法讲解大全英语中的基数词和序数词是我们日常生活中经常使用的词汇,在日常交流和书面表达中都扮演着重要的角色。
本文将对英语基数词和序数词的用法进行详细的讲解,以帮助读者更好地理解和运用这些词汇。
一、基数词的用法基数词是用来表示数量或计数的词汇,用来表示“几个”或“多少”等概念。
下面是一些基数词的用法和例句:1. 表示具体数量:- one (一个):I have one cat.(我有一只猫。
)- two (两个):There are two apples on the table.(桌子上有两个苹果。
)- three (三个):She has three brothers.(她有三个兄弟。
)2. 表示概括数量:- several (几个):I have several books on the shelf.(我书架上有几本书。
)- many (许多):There are many cars on the street.(街上有很多汽车。
)- few (几乎没有):There are few people in the park.(公园里几乎没有人。
)3. 表示序号:- first (第一):He is the first person to arrive.(他是第一个到达的人。
)- second (第二):She won the second prize in the competition.(她在比赛中获得了第二名。
)- third (第三):This is the third time I have been here.(这是我来到这里的第三次。
)二、序数词的用法序数词是用来表示顺序或次序的词汇,用来表示“第几”等概念。
下面是一些序数词的用法和例句:1. 表示顺序:- first (第一):We finished the race in first place.(我们以第一名完成了比赛。
小学英语数词讲解与练习题

数词专练数词是表示数量多少或顺序先后的词。
分为基数词和序数词。
一. 基数词1. 表示数量多少的词是基数词,如:one,two, three等。
2. 数词的构成1)从1-12分别由从one到twelve,12个各不相同的词表示。
one, two,three, four,five,six,seven,eight, nine, ten,eleven, twelve2)从13-19均以后缀—teen结尾。
thirteen, fourteen, fifteen, sixteen,seventeen, eighteen,nineteen3)从20-90的整十数词均以后缀-ty结尾。
表示“几十几”时,个位和十位之间需加连字符。
twenty, thirty, forty, fifty, sixty, seventy,eighty, ninety21 twenty-one 32 thirty—two 43 forty-three4)整百数由1—9加hundred构成。
100 one (a) hundred 500 five hundred5)整百数和整十数之间由and连接,十位与个位之间要加连字符“-”.如果十位数为零,那就在百位和个位之间用and连接。
101 one hundred and two 245 two hundred and forty— five6)1,000以上的数,要用计数逗点,即从个位开始,每隔三位数加一逗点,第一个逗点处是thousand(千),第二逗点处是million(百万) 例如:1,000→a(one)thousand4,596→fo ur thousand five hundred and ninety-six10,000→ten thousand18,261→eighteen thousand two hundred and sixty—one100,000→a(one)hundred thousand766,132→seven hundred and sixty-six thousand one hundred and thirty—twoExercise:写出下列数字12 14 2040 90 19400 60035 78305 678二、序数词序数词表示排列顺序,如first,second, third等。
初一英语数词语法知识总结(讲解+考点+综合练习):数 词

第四章数词一、数词概述1、数词的定义:表示数目多少或顺序先后的词为数词。
2、数词的分类:数词可分为基数词和序数词,基数词表示数量的多少,序数词表示顺序的先后。
二、数词考点纵览三、综合练习( ) 1. Lincoln was born on ________.A. February 12th, 1809B. 1809, February 12thC. 1809, 12th FebruaryD. February 1809,12th( ) 2. A _______ boy can sing the English song very well.A. ten-years-oldB. ten years oldC. ten-year-oldD. ten year old ( ) 3. An hour later, _____ minister was sent to see the “magic cloth” woven by those two men.A. twoB. the secondC. the twoD. second( ) 4. Abraham Lincoln was _______ President of the United States.A. 16B. the 16C. 16thD. the 16th( ) 5. Do you think there is any room for us ________ ?A. twoB. the twoC. secondD. the second ( ) 6. ---How many students are there in your class?---________.A. Twenty nineB. Thirty and twoC. Forty-fiveD. fifties( ) 7. Which number is wrong? _______.A. NinetyB. NinteenC. NinthD. Nineteenth ( ) 8. The People’s Liberation Army was founded _______.A. on August 1st, 1927B. in 1927, 1 AugustC. on 1st August , 1927D. in August 1, 1927( ) 9. The number 4,123 is read _______.A. four thousand one hundred and twenty-threeB. four thousand and one hundred twenty-threeC. four thousand and a hundred and twenty-threeD. four thousands a hundred and twenty-three( ) 10. The old professor still works hard though he is _________.A. in his sixtyB. in his sixtiesC. in sixtiesD. in the sixty ( ) 11. This classroom is ________ ours.A. three times big asB. as three times big asC. three times as big asD. as big three times as( ) 12. The basketball team of our school ranks ________ in the match.A. threeB. thirdC. the threeD. the third( ) 13. Which is the car that he drives? It’s ________.A. fifty twoB. the fifty-two carsC. the car fifty fourD. the fifty-fourth car( ) 14. Which of the following is wrong? ________.A. He is a fifteen-year-old boyB. He is at the age of 15C. He is a boy of 15D. He is fifteen year old( ) 15. Our school is not very big. There are only ________ students.A. nine hundreds ofB. nine hundredC. nine hundredsD. nine hundred of( ) 16. ---How many new words are there in ________ lesson?---There are only _________.A. five; fifthB. fifth; fiveC. the fifth; the fiveD. the fifth; five( ) 17. ________of the students go to school by car.A. Two threeB. Two thirdC. Second thirdsD. Two thirds ( ) 18. There was no bus in that small town. We had a ________.A. ten miles walkB. ten-mile walkC. ten mile’s walkD. tenth mile walk( ) 19. Today is the first day and ________.A. Tuesday is fourthB. Thursday is the fourthC. second is TuesdayD. a second is Thursday( ) 20. Which room do you live in? ________.A. 201 RoomB. Room 201C. Room 201stD. 201’s Room( ) 21. How many magazines do you have? I have ________.A. twoB. bothC. twiceD. the second ( ) 22. Three hundred thousand one hundred and seventy means ________.A. 3,170B. 3,117C. 300,170D. 30,170 ( ) 23. On May ________, ________ people traveled round the country.A. the first, millionsB. the first, millions ofC. first, the millionthD. first, millions( ) 24. ________ of them are dining at school.A. TwelveB. TwelfthC. The twelveD. The 12th ( ) 25. It’s 7:17 is read ________.A. seven and seventeenB. seven sevenC. seven one sevenD. seven seventeen( ) 26. Four ________ two is two.A. plusB. minusC. timesD. divided by ( ) 27. Three ________ five is eight.A. plusB. minusC. timesD. divided by ( ) 28. Three ________ seven is twenty-one.A. plusB. minusC. timesD. divided by ( ) 29. Forty-two ________ seven is six.A. plusB. minusC. timesD. divided by ( ) 30. There are ________ days in a year.A. three hundred sixty and fiveB. three hundred and sixty-fiveC. three hundreds and sixty-fiveD. three hundred sixty-five( ) 31. There are ________ students in that school.A. two thousand eight-sixB. two thousand eighty-sixC. two thousand and eighty-sixD. two thousands and eighty-six( ) 32. It took me ________ to get there.A. two hours and a halfB. two hours and halfC. two hour and a halfD. two hour and half( ) 33. September is _________ month of the year.A. the ninethB. the ninthC. ninethD. ninth ( ) 34. Please pass me _______ book on the left.A. thirdB. threeC. the thirdD. the three ( ) 35. ________ boy is very tall .A. The twelveB. The twelvethC. The twelfethD. The twelfth( ) 36. We have known each other for ________.A. a year and halfB. a year with halfC. a year and a halfD. a year with a half( ) 37. ---What year is it?---It’s ________.A. nineteen hundreds and ninety-sevenB. nineteen and ninety-sevenC. nineteen ninety and sevenD. nineteen ninety-seven( ) 38. ---What’s the date today?---It’s _________.A. TuesdayB. June FourthC. June the fourD. June the fourth ( ) 39. The train from Shanghai will arrive ________.A. in quarter past sixB. in a quarter past sixC. at quarter past sixD. at a quarter past six( ) 40. My friend was born on _________.A. three of July, 1979B. the third of July,1979C. 1979, July the thirdD. 1979, the third of July( ) 41. ________ is less than ________.A. One third; two thirdsB. One third; two thirdC. First three; first threesD. One third; one three( ) 42. Which lesson did you learn yesterday? ________.A. Lesson SevenB. Lesson seventhC. The seven LessonD. Lesson seven( ) 43. “What’s the date today?” “It’s _______.”A. fourth MayB. the fourth MayC. May fourD. May the fourth ( ) 44. 334 is read ________.A. three hundreds and thirty fourB. three hundreds thirty fourC. three hundred and thirty fourthD. three hundred and thirty-four( ) 45. In February, there are only _________ days.A. twenty nineB. twenty-ninethC. twenty-nineD. twenty eight ( ) 46. There will be a comedy on TV at ________ this evening.A. seven past thirtyB. half past sevenC. seven the thirtyD. thirty to seven ( ) 47. It took me ________ to find out the key to the drawer.A. one and half hoursB. one and a half hoursC. one and a half hourD. one and half hour( ) 48. I’m so tired after ________ walk.A. three hoursB. three hours’C. three hour’sD. three hour ( ) 49. There are ________ stars in the sky.A. million ofB. millions ofC. the millionD. a million of ( ) 50. The street is ________ wide.A. two metersB. two meterC. the two meterD. a two meter参考答案1.A2. C3. B4. D5. A6. C7. B8. A9. A 10. B 11.C 12. D 13. D 14. D 15. B 16. D 17. D 18. B 19. B20. B 21. A 22. C 23. B 24. A 25. D 26. B 27. A 28. C29. D 30. B 31. C 32. A 33. B 34. C 35. D 36. C 37. D38. D 39. D 40. B 41. A 42. A 43. D 44. D 45. C 46. B47. B 48. B 49. B 50. A文档说明(Word文档可以删除编辑)专注于精品文档:中考、高考、数学语文英语试卷、高中复习题目、小学试卷教案合同协议施工组织设计、期中、期末等测试,本文档目的是为了节省读者的工作时间,提高读者的工作效率,读者可以放心下载文档进行编辑使用.文档来源网络改编,审核有可能疏忽,如果有错误或侵权,请联系本店马上删除。
初中英语语法讲解与练习【数-词】

初中英语语法讲解与练习【数-词】数词数词英语数词表示数目或者顺序,可分为基数词和序数词。
基数词表示数量,序数词表示顺序。
知识梳理:提纲挈领,抓住重点和难点!一、基数词的构成1.1-12的基数词是独立的单词,即:one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve。
2.13-19的基数词以-teen结尾。
如:fourteen,seventeen等,但13,15,18较特殊,13-thirteen 15-fifteen 18-eighteen。
3.20-90的整十位均以-ty结尾。
如:sixty,ninety,但20,30,40,50,80较特殊,20-twenty 30-thirty 40-forty 50-fifty 80-eighty。
4.十位数与个位数之间要加连字符号"-",如:28-twenty-eight,96-ninety-six。
为序数词时,有特别之处。
1.one--- first, two --- second, three --- third, five --- fifth, nice --- ninth, twelve --- twelfth2. 以ty 结尾的单词,要先变y为I, 在加-eth. 例如:thirty ---thirtieth, fifty ---fiftieth3. 以one, two, three 等结尾的多位数词,要将各位数变成序数词。
例如:twenty-one --- twenty-first, one hundred and one --- one hundred and first注意:序数词前常用定冠词,有时还可以用不定冠词a/an 则表示"又一"的意思。
例如:Mr Brown has a second car. 布朗先生另外还有一辆车。
(完整word版)基数词序数词讲解与练习

基数词序数词的解说1.基数词表示数量的词称为基数词。
其形式以下:A.从 1—— 10one,two, three,four,five ,six,seven, eight,nine,ten.B.从 11—— 19eleven, twelve, thirteen, fourteen, fifteen, sixteen, seventeen,eighteen, nineteen.这里除eleven, twelve, thirteen, fifteen , eighteen 为特别形式外,fourteen,sixteen,seventeen,nineteen都是由其个位数形式后增添后缀-teen 组成。
C.从 21—— 99整数几十中除twenty,thirty, forty ,fifty ,eighty 为特别形式外, sixty,seventy,ninety 都是其个位数形式后增添后缀-ty 组成。
表示几十几时,在几十和个位基数词形式之间增添连字符“-”21twenty-one76seventy-sixD.百位数个数基数词形式加“hundred,”表示几百,在几十几与百位间加上and.101 a hundred and one320 three hundred and twenty648 six hundred and forty-eightE.千位数以上从数字的右端向左端数起,每三位数加一个逗号“,”。
从右开始,第一个“,”前的数字后增添thousand,第二个“,”前面的数字后增添million ,第三个“,”前的数字后增添billion 。
2,648two thousand six hundred and forty-eight16,250,064 sixteen million two hundred and fifty thousand and sixty-four 5,237,166,234five billion two hundred and thirty-seven million one hundred and sixty-six thousand two hundred and thirty-fourF.基数词在表示切实的数字时,不可以使用百、千、百万、十亿的复数形式;可是,当基数词表示不切实数字,如成百、不计其数,寥寥无几时,基数词则以复数形式出现。
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知识点1:基数词和序数词
(一)基数词——从1数到n阿
1.1—12的基数词是独立的单词,即:one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve。
2.13—19的基数词以-teen结尾。
如:fourteen,seventeen等,但13,15,18较特殊,13—thirteen 15—fifteen 18—eighteen。
3.20—90的整十位均以-ty结尾。
如:sixty,ninety,但20,30,40,50,80较特殊,20—twenty,30—thirty,40—forty ,50—fifty ,80—eighty。
4.十位数与个位数之间要加连字符号“-”,如:28—twenty-eight,96—ninety-six。
5.百位和十位(若无十位则和个位)之间加and,如:148—one hundred and forty-eight ,406—four hundred and six。
6.hundred(百),thousand(千),million(百万),billion(十亿)等前面即使有具体的数词,也不能在它们的后面加s。
如:600—six hundred,8百万—eight million。
(二)序数词——由基数词转变而来,表示“这是第n个”
1.口诀巧记基数词变序数词:“一、二、三,特殊记,八去“t”,九去“e”,“ve”要用“f”替,见“y”变成“i”和“e”,词尾加上“th”,若是遇到几十几,只变个位就可以。
”第一、第二、第三分别:first,second,third,eight—eighth nine—ninth,five—fifth,twelve—twelfth,twenty—twentieth,forty—fortieth,twenty-five—twenty-fifth。
2其余情况均在基数词后加th。
如:six—sixth, nineteen—nineteenth , hundred— hundredth, thousand—thousandth等。
练习:一、:写出下列词的序数词
1. one
2.two
3. six
4. five
5. nine
6.twelve
7.eight 8.twenty-one
1
二、写出下列单词的基数词
1.third
2.fourth
3.tenth
4. twentieth
5.nineteenth
6.thirty-first _
三、根据句子意思填空。
1. Children’s Day(儿童节) is on the of June(六月).
2. There are months(月)in a year(年).
3. Three plus(加) six is .
知识点2:肯定句与否定句
一、肯定句变否定句口诀
给句子分析它,看它结构是哪个
主加be后加not 其他一切全照抄
主加动词主重要
don't doesn't 来帮忙
don't doesn't 中间夹
doesn't doesn't 最特殊第三人称单数全靠它
二、简单句的句子结构
1.主语+be+其他
2.主语+动词+其他
备注:其中be里包括(am is are)
三、肯定句变否定句规则
肯定句
主语+be+其他变成主语+be+not+其他
主语+动词+其他变成主语+don't+动词+其他
主语(第三人称单数)+动词单三+其他变成
主语(第三人称单数)+doesn't +动词原形+其他
2
练习
1.She is watching TV now.
2.We go to school on Sunday.
3.His father works hard.
4.Jack's mother is a nurse.
5.The cat runs fast.
6.They like reading books.。