2024年中考英语二轮复习语法讲义 数词 04

数词 1.基数词与序数词 阿拉伯 基数词 序数词 缩写 阿拉伯 基数词 序数词 缩写 1 one first 1st 11 eleven eleventh 11th 2 two second 2nd 12 twelve twelfth 12th 3 three third 3rd 13 thirteen thirteenth 13th 4 four fourth 4th 14 fourteen fourteenth 14th 5 five fifth 5th 15 fifteen fifteenth 15th 6 six sixth 6th 16 sixteen sixteenth 16th 7 seven seventh 7th 17 seventeen seventeenth 17th 8 eight eighth 8th 18 eighteen eighteenth 18th 9 nine ninth 9th 19 nineteen nineteenth 19th 10 ten tenth 10th 22 twenty-two twenty-second / 20 twenty twentieth 20th 33 thirty-three thirty-third / 30 thirty thirtieth 30th 44 forty-four forty-fourth / 40 forty fortieth 40th 55 fifty-five fifty-fifth / 50 fifty fiftieth 50th 66 sixty-six sixty-sixth / 60 sixty sixtieth 60th 77 seventy-seven seventy-seventh / 70 seventy seventieth 70th 88 eighty-eight eighty-eighth / 80 eighty eightieth 80th 99 ninety-nine ninety-ninth / 90 ninety ninetieth 90th / / / / 基数词 1.读数 2.hundred、thousand等使用规则 数词考点口诀：s、of同生共死；遇到数字都得死 hundred 百 2 hundred books、hundreds of books thousand 千 2 thousand books、thousands of books million 百万 2 million books、millions of books billion 十亿 2 billion books、billions of books 序数词 1.物主代词与the 序数词前有定冠词the,除非遇物主（Lucy's ，their，my等） I gave the second boy a toy. Lucy's first class/play his piano/my best friend 原则：物主代词与冠词有且只有一个 2.表达方式 123个别记忆 one two three first second third 8去t,9去e eight nine eighth ninth ve要用f替 five twelve fifth twelfth 见y变成i和e twenty thirty twentieth thirtieth 若是遇上几十几，只变个位就可以 twenty-one twenty-first twenty-one twenty-first 3.常用：楼层、生日 Mike lives on fifth floor. It's your eighteenth birthday. Let's enjoy ourselves. 数词的应用 1.小数、百分数的表达 23.99 point nine nine 3.1415926.. three point one four one five nine two six. 1% one percent 2% two percent 97% ninety-seven percent 2.编号的表达 名前为序 the fifth boy 名后为基 Boy 5 注意：编号大写 3.时间的表达 3:00 three o'clock 10:30 half past ten 顺读法、 逆读法 10:10 顺读：先时后分 ten nine 逆读：先分后时 nine past ten 12：58 顺读：先时后分twelve fifty-eight 逆读：先分后时 two to one 一刻：a quarter 10:15 a quarter past ten 9:45 特权：three quarters past nine 4.表示年份、年代 （1）年份用基数词表达 in 2022/in 1949 （2）年代用“in the+基数词的复数”表达 in the 1980s/1980's 在20世纪80年代 读作”“ain the twenty twenties” 5.表示年龄 （1）基数词 years old 表示“....岁” He is 15 years old （2）at the age of +基数词 表示“在某人多少岁的时候” He began to play the guitar at the age of 4. （3）in one's 整十基础词的复数 表示“在某人几十多岁的时候” in his thirties 在他三十多岁的时候 ... ...