英语基数词读法

口诀：

十位以内: one→first, two→sencond, three→third要单记,

four, six, seven, ten, 后加th,

five→fifth变ve为f再加th, eight→eighth共用t, nine→ninth去e加th

11-19, 基本加th, twelve→twelfth

20,30,40...整数变y 为 i 加eth, 如: twenty→twentieth

带个位的数以个位为序数词, 如: twenty-one twenty-first

序数的数字记法

个位为1→1st，2→2nd，3→3rd，其余的加th，例如31th,43rd,65th

1到100的英语单词基数词和序数词：

第1 first 1st 1 one

第2 second 2nd 2 two

第3 third 3rd 3 three

第4 fourth 4th 4 four

第5 fifth 5th 5 five

第6 sixth 6th 6 six

第7 seventh 7th 7 seven

第8 eighth 8th 8 eight

第9 ninth 9th 9 nine

第10 tenth 10th 10 ten

第11 eleventh 11th 11 eleven

第12 twelfth 12th 12 twelve

第13 thirteenth 13th 13 thirteen

第14 fourteenth 14th 14 fourteen

第15 fifteenth 15th 15 fifteen

第16 sixteenth 16th 16 sixteen

第17 seventeenth 17th 17 seventeen

第18 eighteenth 18th 18 eighteen

第19 nineteenth 19th 19 nineteen

第20 twentieth 20th 20 twenty

第21 twenty-first 21st 21 twenty-one

第22 twenty-second 22nd 22 twenty-two

第23 twenty-third 23rd 23 twenty-three

第24 twenty-fourth 24th 24 twenty-four

第25 twenty-fifth 25th 25 twenty-five

第26 twenty-sixth 26th 26 twenty-six

第27 twenty-seventh 27th 27 twenty-seven

第28 twenty-eighth 28th 28 twenty-eight

第29 twenty-ninth 29th 29 twenty-nine

第30 thirtieth 30th 30 thirty

第31 thirty-first 31st 31 thirty-one

第32 thirty-second 32nd 32 thirty-two

第33 thirty-third 33rd 33 thirty-three

第34 thirty-fourth 34th 34 thirty-four

第35 thirty-fifth 35 thirty-five

第36 thirty-sixth 36 thirty-six

第37 thirty-seventh 37 thirty-seven

第38 thirty-eighth 38 thirty-eight

第39 thirty-ninth 39 thirty-nine

第40 fortieth 40th 40 forty

第41 forty-first 41st 41 forty-one

第42 forty-second 42nd 42 forty-two

第43 forty-third 43rd 43 forty-three

第44 forty-fourth 44th 44 forty-four

第45 forty-fifth 45 forty-five

第46 forty-sixth 46 forty-six

第47 forty-seventh 47 forty-seven

第48 forty-eighth 48 forty-eight

第49 forty-ninth 49 forty-nine

第50 fiftieth 50 fifty

第51 fifty-first 51 fifty-one

第52 fifty-second 52 fifty-two

第53 fifty-third 53 fifty-three

第54 fifty-fourth 54 fifty-four

第55 fifty-fifth 55 fifty-five

第56 fifty-sixth 56 fifty-six

第57 fifty-seventh 57 fifty-seven

第58 fifty-eighth 58 fifty-eight

第59 fifty-ninth 59 fifty-nine

第60 sixtieth 60 sixty

第61 sixty-first 61 sixty-one

第62 sixty-second 62 sixty-two

第63 sixty-third 63 sixty-three

第64 sixty-fourth 64 sixty-four

第65 sixty-fifth 65 sixty-five

第66 sixty-sixth 66 sixty-six

第67 sixty-seventh 67 sixty-seven

第68 sixty-eighth 68 sixty-eight

第69 sixty-ninth 69 sixty-nine

第70 seventieth 70 seventy

第71 seventy-first 71 seventy-one

第72 seventy-second 72 seventy-two

第73 seventy-third 73 seventy-three

第74 seventy-fourth 74 seventy-four

第75 seventy-fifth 75 seventy-five

第76 seventy-sixth 76 seventy-six

第77 seventy-seventh 77 seventy-seven

第78 seventy-eighth 78 seventy-eight

第79 seventy-ninth 79 seventy-nine

第80 eightieth 80 eighty

第81 eighty-first 81 eighty-one

第82 eighty-second 82 eighty-two

第83 eighty-third 83 eighty-three

第84 eighty-fourth 84 eighty-four

第85 eighty-fifth 85 eighty-five

第86 eighty-sixth 86 eighty-six

第87 eighty-seventh 87 eighty-seven

第88 eighty-eighth 88 eighty-eight

第89 eighty-ninth 89 eighty-nine

第90 ninetieth 90 ninety

第91 ninety-first 91 ninety-one

第92 ninety-second 92 ninety-two

第93 ninety-third 93 ninety-three

第94 ninety-fourth 94 ninety-four

第95 ninety-fifth 95 ninety-five

第96 ninety-sixth 96 ninety-six

第97 ninety-seventh 97 ninety-seven

第98 ninety-eighth 98 ninety-eight

第99 ninety-ninth 99 ninety-nine

第100 one hundredth 100th 100 hundred

第101 one hundred first 101st 101 one hundred and one

拓展：大学英语六级语法讲解之基数词和序数词

一、基数词

1)基数词写法和读法： 345 three hundred and forty-five;

2)基数词一般是单数形式，但下列情况，常用复数：

a. 与of 短语连用，表示概数，不能与具体数目连 用，如scores of people 指许多人;

b. 在一些表示"一排"或"一组"的词组里;

如：They arrived in twos and threes. 他们三三两两的到达了。

c. 表示"几十岁";

d. 表示"年代"，用 in +the +数词复数;

e. 在乘法运算的一种表示法里，如：3 x 5 = 15 Three fives is (are) fifteen.

二、序数词

序数词的缩写形式： first---1st second---2nd thirty-first---31st

三、 数词的用法

1)倍数表示法

a. 主语+谓语+倍数(或分数)+ as + adj. + as

I have three times as many as you. 我有你三倍那么多。

b. 主语+谓语+倍数(分数)+ the size (amount，length…) of…

The earth is 49 times the size of the moon. 地球是月球的49倍。

c. 主语+谓语+倍数(分数)+ 形容词(副词)比较级+ than…

The grain output is 8 percent higher this year than that of last year.

今年比去年粮食产量增加8%。

d. 还可以用by+倍数，表示增加多少倍

The production of grain has been increased by four times this year.

今年粮食产量增加了4倍。

2)分数表示法

构成：基数词代表分子，序数词代表分母。分子大于1时，分子的序数词用单数，分母序数词用复数：

1/3 one-third ; 3/37 three and three-sevenths.