一、基数词
基数词表示数量
one two three four five six seven eight nine ten |
eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen |
twenty thirty forty fifty sixty seventy eighty ninety |
twenty-one thirty-eight fifty-three |
a hundred a thousand a million a billion |
注意:表示具体数目的 hundred, thousand, million等均不用复数,百位数和十位数之间通常加连词and;十位数与个位数之间要加连字符”- ”。
二、序数词
first second third fourth fifth sixth seventh eighth ninth tenth |
eleventh twelfth thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth nineteenth |
twentieth thirtieth Fortieth Fiftieth sixtieth seventieth eightieth ninetieth hundredth |
twenty-first ninety-ninth |
a hundred and fifty-third |
序数词的缩写形式:由阿拉伯数字后加上序数词的最后两个字母。
如:first---1st; second --- 2nd;tenth --- 10th
三、时间和年月日表示法
1、时间均用基数词表示:
1、)顺读法,先说“点钟”,再说“分钟”,
如:2:15 读作:two fifteen; 6:20 读作:six twenty
2、)逆读法
30 分钟以内:“分钟数 past 钟点数”,如:
3:20 读作:twenty past three;2:10 读作:ten past two
半小时用 half,15 分钟用 a quarter :
2:15 读作:a quarter past two;3:30 读作:half past three
30 分钟以外要用:“分钟数 to 下一个钟点”,如:
4:35 读作:twenty-five to five;2:55 读作:five to three
3、)年月日表示法
年份读法;月日读法;年月日一起读法。
四、分数的表示法
当分数中表示分子的数只含个位数时一般采用“分子(用基数词) 分母(用序数词)”表示。(分子大于 1 时,分母序数词用复数)如:
one-third; two-thirds; three twenty-seconds
五、数词与名词的搭配
1、)数词与名词连用时,它们的次序是“名词 基数词”
Lesson 15; Room 1506
或者用“the 序数词 名词”
The Fifteenth Lesson
the third floor
2、)数词与小时的搭配
two hours and a half
three hours
half an hour
,