英文数字和中文一样都是十进数（decimal）：有一到十十个形式（pattern）,十一到二十形式重复,二十一到三十再重复. 目录 [隐藏]1 基数（Cardinal numbers）1.1 一到十（One to ten1.2 十几（Teens）1.3 几十（Tens）1.4 不规则1.5 二十几、三十几1.6 大的数字1.7 复杂数字2 序数（Ordinal numbers）2.1 例外2.2 练习2.3 参见 [编辑] 基数（Cardinal numbers） [编辑] 一到十（One to ten一到十都是单个音节： 1 one2 two3 three4 four5 five6 six7 seven8 eight9 nine10 ten [编辑] 十几（Teens）“十几”（teens）在数字后加个“teen”,代表＋10例： 4 = four14 = fourteen6 = six16 = sixteen（加了个“teen”,代表＋10）11 eleven 不符合规格12 twelve 不符合规格13 thirteen 拼法更改 thir14 fourteen 规则（没有缺u）15 fifteen 拼法更改 fif16 sixteen 规则17 seventeen 规则18 eighteen 拼法更改（缺t）19 nineteen 规则 ok [编辑] 几十（Tens）20,30（tens）是在1-10基数词后面加上“ty”（=×10） 20 twenty 拼法更改 twen30 thirty 拼法更改 thir40 forty 拼法更改 for（缺u）50 fifty 拼法更改 fif60 sixty 规则70 seventy 规则80 eighty 拼法更改（缺t）90 ninety 规则 [编辑] 不规则但是,11和12的不符合规格： 1 = one11 = eleven2 = two12 = twelve有些拼法有更改,要注意： 3 = three13 = thirteen30 = thirty4 = four40 = forty（没有“u”）但是fourteen（14）正常8 = eight18 = eighteen（一个t而已）1one 11eleven 不符合规格 11 eleven2two 12twelve 20twenty 不符合规格 12 twelve 20 twen3three 13thirteen 30thirty 拼法更改 thir4four 14fourteen 40forty 40 拼法更改（缺u）5five 15fifteen 50fifty 拼法更改 fif6six 16sixteen 60sixty 规则7seven 17seventeen 70seventy 规则8eight 18eighteen 80eighty 拼法更改（缺t）9nine 19nineteen 90ninety 规则 [编辑] 二十几、三十几在数字前加个“twenty-”,代表＋20（见#×10）注意,一定要在twenty 和单数之间写个连字号（-）.例： 4 = four24 = twenty-four6 = six26 = twenty-six同样的,在数字前加个“thirty”,代表＋30（见#×10）例： 4 = four34 = thirty-four（加了个“thirty”,代表＋30）6 = six36 = thirty-six（加了个“thirty”,代表＋30）加个“forty”,代表＋40,等等 [编辑] 大的数字一百多的数字前面写个“one hundred and” “a hundred and”比较口语.一定要写“and”例： 1 = one101 = one hundred and one31 = thirty-one131 = one hundred and thirty-one两百多的数字前面写个“two hundred and”.注意, 不需要复数形式：“two hundreds”←错误例外：“There are five two hundreds in one thousand.”（在一千个一里面有五个两百.）←在此,“五个两百”不是一个数字,所以有复数.关系是〔two hundred〕s,非two 〔hundred〕s.“two hundred”两个字算一组,一起副数.没有连字号“two-hundred”←错误其他： 千 ＝ thousand万 ＝ ten thousand（没复数）万 ＝ myriad少用,大部分只表示“许多”的意思,例：a myriad of colours（许多颜色）百万 = million连贯字：millionaire =百万富翁百万以上的数字英国和美国名称不一.下面举一个例子（美式读法）：16069380442589902755423214235476587698791962092 = sixteen quattuordecillion, sixty-nine tredecillion, three hundred andeighty duodecillion, four hundred and forty-two undecillion, five hundred and eighty-nine decillion, nine hundred and two nonillion, seven hundred and fifty-five octillion, four hundred and twenty-three septillion, two hundred and fourteen sextillion, two hundred and thirty-five quintillion, four hundred and seventy-six quadrillion, five hundred and eighty-seven trillion, six hundred and ninety-eight billion, seven hundred and ninety-one million, nine hundred and sixty-two thousand, ninety-two [编辑] 复杂数字英文写数字,每三个字写逗号：10,000,000,000 在每个写逗号之地,拼字也写逗号（非“and”）.例：1,100 = one thousand, one hundre1 one 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 24 twenty- four 25 twenty- five 26 twenty- six 27 twenty- seven 28 twenty- eight 29 twenty- nine 30 thirty 31 thirty- one 32 thirty- two 33 thirty- three 34 thirty- four 35 thirty- five 36 thirty- six 37 thirty- seven 38 thirty- eight 39 thirty- nine 40 forty 41 forty- one 42 forty- two 43 forty- three 44 forty- four 45 forty- five 46 forty- six 47 forty- seven 48 forty- eight 49 forty- nine 50 fifty 51 fifty- one 52 fifty- two 53 fifty- three 54 fifty- four 55 fifty- five 56 fifty- six 57 fifty- seven 58 fifty- eight 59 fifty- nine 60 sixty 61 sixty- one 62 sixty- two 63 sixty- three 64 sixty- four 65 sixty- five 66 sixty- six 67 sixty- seven 68 sixty- eight 69 sixty- nine 70 seventy 71 seventy- one 72 seventy- two 73 seventy- three 74 seventy- four 75 seventy- five 76 seventy- six 77 seventy- seven 78 seventy- eight 79 seventy- nine 80 eighty 81 eighty- one 82 eighty- two 83 eighty- three 84 eighty- four 85 eighty- five 86 eighty- six 87 eighty- seven 88 eighty- eight 89 eighty- nine 90 ninety 91 ninety-one 92 ninety- two 93 ninety- three 94 ninety- four 95 ninety- five 96 ninety- six 97 ninety- seven 98 ninety- eight 99 ninety- nine 100 hundred