收藏 分享(赏)

英语的基数词与序数词.doc

上传人:fmgc7290 文档编号:6825743 上传时间:2019-04-23 格式:DOC 页数:8 大小:125KB
下载 相关 举报
英语的基数词与序数词.doc_第1页
第1页 / 共8页
英语的基数词与序数词.doc_第2页
第2页 / 共8页
英语的基数词与序数词.doc_第3页
第3页 / 共8页
英语的基数词与序数词.doc_第4页
第4页 / 共8页
英语的基数词与序数词.doc_第5页
第5页 / 共8页
点击查看更多>>
资源描述

1、基数词和序数词1、基数词表示数目的词称为基数词。其形式如下:(1)从 110 one,two,three,four,five,six ,seven,eight,nine,ten(2)从 1119 eleven,twelve, thirteen, fourteen, fifteen, sixteen, seventeen,eighteen, nineteen 在这里,除 eleven,twelve, thirteen,fifteen,eighteen 为特殊形式外,fourteen,sixteen,seventeen ,nineteen 都是由其个位数形式后添加后缀 -teen 构成。 (3)从

2、 2199 整数几十中,除 twenty,thirty, forty,fifty,eighty 为特殊形式外,sixty,seventy , ninety 都是其 个位数形式后添加后缀-ty 构成。表示几十几时,在几十和个位基数词形式之间添加连字符“-”,如,21(twenty-one )、76(seventy-six )、83( eighty-three)。 (4)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 one 320 three hundred and twenty 648 six hundred and for

3、ty-eight (5)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“,”前的数字后添加 thousand,第二个“,”前面的数字后添加 million,第三个“,”前的数字后添加 billion。然后一节一节分别表示,切记!两个逗号之间最大的数为百位数形式。 2,648 two thousand, six hundred and forty-eight 16,250,064 sixteen million ,two hundred and fifty thousand ,sixty-four 5,237,166,234 five billion,two hu

4、ndred and thirty-seven million,one hundred and sixty-six thousand,two hundred and thirty-four (6)基数词在表示确切的数字时,不能使用百、千、百万、十亿的复数形式;但是,当基数词表示不确切数字,如成百、成千上万,三三两两时,基数词则以复数形式出现。There are hundreds of people in the hall 大厅里有数以百计的人。 Thousands and thousands of people come to visit the Museum of Qin Terra-Cott

5、a Warriors and Horses every day 每天有成千上万的人来参观秦兵马俑博物馆。They went to the library in twos and threes 他们三三两两地来到了图书馆。(7)表示人的不确切岁数或年代,用几十的复数形式表示。 He became a professor in his thirties 他三十多岁时成为了教授。 She died of lung cancer in forties 她四十来岁时死于肺癌。 It was in the 1960s 那是在二十世纪六十年代。 (8)基数词的句法功能 基数词在句中可以作主语、宾语、定语、表

6、语、同位语。 The two happily opened the box 两个人高兴地打开了盒子。(作主语) I need three altogether 我总共需要三个。(作宾语) Four students are playing football outside 四个学生在外面踢足球。(作定语) We are sixteen 我们是 16 个人。(作表语) They three tried to finish their homework before sunset 他们三个人尽力想在日落前完成他们的家庭作业。(作同位语)常见基数词的写法:0 nought,zero;O 1 one

7、2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten 11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen 19 nineteen 20 twenty 21 twenty-one 22 twenty-two 23 twenty-three 30 thirty 32 thirty-two 40 forty 50 fifty 60 sixty 70 seventy 80 eighty 90 nine

8、ty 基数词口决:1 至 12 分别记,13 至 19 都带-teen;整十后缀要用-ty,连字符用于几十几;百位以上 and 连,拼法特殊的要注意。序数词序数词用于表示事物的顺序,一般由与之相应的基数词加 th 构成,但有特殊形式需特别记忆。1. 第一类first (1st) 第一 second (2nd) 第二 third (3rd) 第三 在括号里的是缩写形式,均在阿拉伯数字后面加上相应序数词的最后两个字母构成,以下各类与此相同。这类序数词只有三个,在整个序数词里面是特殊的。2、第二类: fourth (4th) 第四 fifth (5th) 第五 sixth (6th) 第六 seve

9、nth (7th) 第七 eighth (8th) 第八 ninth (9th) 第九 tenth (10th) 第十 eleventh (11th) 第十一 twelfth (12th) 第十二 thirteenth (13th) 第十三 fourteenth (14th) 第十四 fifteenth (15th) 第十五 sixteenth (16th) 第十六 seventeenth (17th) 第十七 eighteenth (18th) 第十八 nineteenth (19th) 第十九 这一类序数词共有 16 个。均在相应的基数词后面加上后缀th 构成。要注意其中fifth、eig

10、hth 、 ninth、twelth 四个词的拼法是特殊的。 3、第三类: twentieth (20th) 第二十 thirtieth (30th) 第三十 fortieth (40th) 第四十 fiftieth (50th) 第五十 sixtieth (60th) 第六十 seventieth (70th) 第七十 eightieth (80th) 第八十 ninetieth (90th) 第九十 这一类全是十位整数的序数词,共 8 个。它们的构成方法是:先将相应的十位整数的基数词词尾ty 中的 y 改成 i,然后在加上后缀eth。 4、第四类: thirty-first (31st)

11、第三十一 thirty-second(32nd) 第三十二 thirty-third(33rd) 第三十三 基变序口诀: 基变序有规律,多数词尾加上-th(fourth,sixth); 第一、第二和第三需特殊记, 结尾字母 t,d,d(first,second,third) ;八去 t,九去 e(eighth,ninth) ,ve 要用 f 替(fifth,twelfth) ;ty 将 y 改成 i,,th 前面有个 e; 若是碰到几十几, 前用基来后用序。 基数词与序数词强化训练I. Choose the best answer( )1. Please turn to _.A. Page 1

12、1 B. the 11st page C. page 11 D. page the 11th( )2. At night we can see _ stars in the sky.A. thousands and thousands of B. thousand and thousands ofC. a thousand and thousands D. thousand and thousand( )3. There are some _ in our classroom.A. hundred of books B. the hundreds of booksC. hundreds of

13、books D. hundred of book( )4. I have been to the village _. A. a hundred timeB. hundred times C. hundreds of times D. hundred of times( )5. There are _ students in our school.A. fourhundred and fortyfive B. four hundred and fortyfiveC. four hundreds and fortyfive D. four hundred and forty five( )6.

14、The teacher told me to go over _ lessons. A. thirst threeB. the three first C. three the first D. the first three( )7. May is _ of a year. A. the fifth monthsB. the fifth month C. the five months D. the five month( )8. We live in _.A. the twenty-first century B. the century twenty-oneC. century twen

15、ty-one D. the century twenty-first( )9. He said he was going to be free in _.A. one and a half hour B. one hour and halfC. one and half hours D. an hour and a half( )10. -How many English books are there on the table?-There is only _English book on it.A. a B. an C. one D. the( )11. Mr Smith stayed i

16、n _ last night.A. Room 403 B. the Room 403 C. the 403 room D. 403 the room( )12. The road is _.A. two thousand and five hundred metres long B. two thousands metres longC. long one thousand five hundred metre D. a thousand and five hundreds metres long( )13. He joined the army on _ of May 1980.A. 1 s

17、t B. the 1 C. first D. the first( )14. Is Sunday the _ day of the week?A. a B. one C. once D. first( )15. March the _ is Womens Day.A. eighth B. ninth C. tenth D. eight( )16. September is the _month of the year.A. nineth B. ninth C. nine D. the twelveth( )17. December the _ is Christmas. A. twenty-f

18、ive B. twenty-fifthC. twentieth-five D. twenty-five( )18. Another way of saying Lesson 12 is _.A. Lesson ten-two B. Lesson Ten-secondC. the Twelfth Lesson D. Twelfth lessonII. Complete the sentences according to the numerals:(用 past 或 to 的句型)1What time is it ? (8:30) Its _. 2What is it ? (9:15) Its

19、_. 3What time is it ? (7;45) Its _. 4What was the date ? (1893 年 1 月 226 日)It _.III. Translate the following into English:1. 电话号码 8485308 _ 2. 第六十四中学 _3. 成千上万的儿童 _ 4. 两个半月_5. 45 路公共汽车 _ 6. 三分之一 _7. 五分之四 _ 8. 第 501 房间 _9. 第二层 _ 10. 第三次 _11. 第五册 _ 12. 两周半 _13. 他每天早上总是第一个到校。_14. 第三天早上玛丽没有迟到。_15. 这本书我昨晚

20、读了 20 页。_.16. 最近的医院离他们学校约 45 公里。_17. 在二十世纪三十年代 _ 18. 中华路 21 号_ 参考答案I. 选择题15. AACCB 610. DBADC 1115. DADDA 1618. BBC II. 完成句子:1. Its half past eight. 2. Its a quarter past nine. 3. Its a quarter to eight.4. It was January twenty-sixth eighteen ninety-three. III. 翻译短语和句子: 1. Telephone number/ Tel. No.

21、 eight four eight five three o eight2. No. Sixty-four Middle School 3. thousands of children 4. half and two months/ two months and a half 5. No. 45 bus/ Bus 456. one third 7. four fifths 8. Room 501 9. the second floor10. the third time 11. Book V 12. half and two weeks/ two weeks and a half 13. He is always the first to get to school every morning.14. The third day Mary wasnt late 15. I read so pages of the book yesterday evening.16. The nearest hospital is about four to five kilometers from their school.17. in the 1930s 18. 2 Zhonghua Road

展开阅读全文
相关资源
猜你喜欢
相关搜索
资源标签

当前位置:首页 > 企业管理 > 管理学资料

本站链接:文库   一言   我酷   合作


客服QQ:2549714901微博号:道客多多官方知乎号:道客多多

经营许可证编号: 粤ICP备2021046453号世界地图

道客多多©版权所有2020-2025营业执照举报