英语中数词-基数词序数词

1、根据中文注释或首字母提示，用所学单词的正确 形式填空。,1. the first month in a year is j_. 2. we have an art f_ each year. 3. june 7th is his b_. 4. school starts in s_ (九月). 5. this is my friend. she likes to p_ chess. 6. today im too b_. i have no time to play football. 7. all my classes f_ (结束) at four thirty. 8. how many

2、m_ (月) does a year have? twelve or thirteen. 9. we need eat a lot of v_ and fruit. 10. i have many f_ at school.,anuary,estival,irthday,eptember,lay,usy,inish,onths,egetables,riends,11. how many d_ are there on the desk? 12. he often h_ (帮助) me with my english. 13. are you f_ (空闲的) this afternoon? 1

3、4. playing basketball is not very easy. its d_. 15. the classroom is not big. its s_. 16. how m_ are these yellow jackets? 17. kate likes the cat very much. it is her f_ animal. 18. i dont know their telephone n_. 19. its time to have b_. you must get up now. 20. i have eggs, chicken for lunch, so i

4、 eat very w_ (好) today. 21. jack plays sports every day, so he is very h_ (健康的).,ictionaries,elps,ree,ifficult,mall,uch,avourite,umber,reakfast,ell,ealthy,主要分为基数词和序数词两类。,数词,1. 从110 one, two, three, four, five, six, seven, eight, nine, ten,2. 从 1119 eleven, twelve, thirteen, fourteen, fifteen, sixtee

5、n, seventeen, eighteen, nineteen,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。,基数词 : 表示数目的词称为基数词。其形式如下：,3. 从 2099 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

6、连字符“-” 。 21 twenty-one 76 seventy-six 4. 百位数 个数基数词形式加“hundred”。 100 one hundred/a hundred 表示几百几十几，在几十几与百位间加and。,101 648,six hundred and forty-eight,a hundred and one,口诀,基数词要注意, 一到十二逐个记; 从十三到十九, teen跟几(个)走; thirteen, fifteen辨仔细, eighteen只有一个t; 二十到九十, ty跟在几后面; twenty, thirty重点记, forty, eighty去u、t; 怎样拼

7、写几十几? 连字(符)-横莫丢弃, 百(位)十(位) and来连替。,8 13 29 40 67 300 345,three hudred and forty-five,10 16 30 78 99,eight,thirteen,twenty-nine,forty,sixty-seven,three hundred,ten,sixteen,thirty,seventy-eight,ninety-nine,序数词是指表示顺序的数词。,1. 从第一至第十九： one first three third five fifth seven seventh nine ninth eleven eleve

8、nth thirteen thirteenth fifteen fifteenth seventeen seventeenth nineteen nineteenth,six sixth,ten tenth,twelve twelfth,fourteen fourteenth,sixteen sixteenth,eighteeneighteenth,除了first, second, third, fifth, eighth,ninth, twelfth外，其它的序数词都是由其相对应的基数词后面添加“th”构成。,two second,four fourth,eight eighth,2.从第二

9、十至第九十九 整数第几十的形式由其对 应的基数词改变结尾字母y为ie, 再加“th”构成， 但第十是tenth。 表示第几十几时,用几十的基数词形式加上连字 符“-”和个位序数词形式一起表示。,twentytwentieth thirtythirtieth,thirty-first 第三十一 fifty-sixth 第五十六 seventy-third 第七十三 ninety-ninth 第九十九,表示第几百几十几时，由基数词的形式变结尾 部分为序数词形式来表示。,one hundred and twenty-first,第一百二十一,一二三 , 特殊记; 五和十二很容易, f来把ve替; 八去t, 九去e, 末尾都加th; 遇到几十几, 只变个位就可以; 遇到整几十, 改y为ie, 末尾仍加th 。,口诀,序数词的缩写,其中lst，2nd，3rd为特殊形式，其它的都是 阿拉伯数字后加上th。,firstlst second2nd third3rd fourth4th sixth6th twentieth20th twenty-third23rd,第三 第十二