[TOC]
数词
数词是指表示数目多少和顺序多少的词。
基数词
基数词是用表示数量的多少。
| 1-10 | 11-19 | 20-90 | 22-99 | 100-10亿 |
|---|---|---|---|---|
| 1 one | 11 eleven | 100 a hundred | ||
| 2 two | 12 twelve | 20 twenty | 22 twenty-two | 1000 a thousand |
| 3 three | 13 thirteen | 30 thirty | 33 thirty-three | 10000 ten thousand |
| 4 four | 14 fourteen | 40 forty | 44 forty-four | 十万 one hundred thousand |
| 5 five | 15 fifteen | 50 fifty | 55 fifty-five | 一百万 a million |
| 6 six | 16 sixteen | 60 sixty | 66 sixty-six | 千万 ten million |
| 7 seven | 17 seventeen | 70 serventy | 77 seventy-seven | 一亿 one hundred million |
| 8 eight | 18 eighteen | 80 eighty | 88 eighty-eight | 十亿 a billion |
| 9 nine | 19 nineteen | 90 ninety | 99 ninety-nine | |
| 10 ten |
变化规则
- 13-19 在个位数的词后加-teen
- 20-90 整十数，在个位数后加-ty
- 十位数与个位数之间用"-"连接，百位数与十位数之间用"and"连接，千位数与百位数之间用","连接: 7456: seven thousand , four hundred and fifty-six 或 seventy-four hundred and fifty-six
序数词
序数词表示排列的顺序。也就是“第几”。
| 1-10 | 11-19 | 22-99 | 20-100 |
|---|---|---|---|
| 1 first | 11 eleventh | ||
| 2 second | 12 twelfth | 22 twenty-second | 20 twentieth |
| 3 third | 13 thirteenth | 33 thirty-third | 30 thirtieth |
| 4 fourth | 14 fouteenth | 44 forty-fourth | 40 fortieth |
| 5 fifth | 15 fifteenth | 55 fifty-fifth | 50 fiftieth |
| 6 sixth | 16 sixteenth | 66 sixty-sixth | 60 sixtieth |
| 7 seventh | 17 seventeenth | 77 seventy-seventh | 70 seventieth |
| 8 eighth | 18 eighteenth | 88 eighty-eight | 80 eightieth |
| 9 ninth | 19 nineteenth | 99 ninety-ninth | 90 ninetieth |
| 10 tenth | 100 hundredth |
分数
英语中的分数是有基数词和序数词构成，基数词代表分子，序数词代表坟墓，分子非1以外序数词要使用复数形式（后加-s）。
1/3: one third
1/4: one fourth
2/3: two thirds
3/4: three fourths 或 three quarters
1/2: 只能是 a half 或 one half
小数
6.4 six point four
0.9 zero point nine
0.03 zero point zero three
12.89 twelve point eight nine
日期时间
1、年份
2011年:
twenty eleven ( 推荐 ) 或 two thousand and eleven 或 two thousand and eleven
2、年月日
2011.10.17: October seventeenth , twenty eleven
3、时间
3点钟: three o'clock
5点半: five thirty / half past five
9点45分: nine forty-five / a quarter to ten
上午7点20分: seven twenty a.m.
4、其他
电话号码850324: eight five zero three two four
20%: twenty percent
4+3=7: four and/plus three is seven
十亿: one thousand million 或 one billion
5、惯用法
There are thousands of apples in our garden. 在我家花园有好几千个苹果。
in one's teens. 在某人十几岁时
In one's thirties 在某人三十几岁时
日期
5月10日:
the tenth of may 或 May the tenth 或 May 10th
帝王第几世
Charles the First s
其他
1、做形容词
Sunday is the first day of the week. 星期日是一周的第一天。
2、做名词
The first is better than this. 第一个比这个好。
3、做副词
He first went to Tianjin , and then to Beijing. 他先去天津，再去北京。
4、惯用语
I found English difficult at first. 起初我觉得英语很难。
You need a second pair of shoes. 你需要另一双鞋。
I like English from the first. 我从一开始就喜欢英语。
If you want me to trust you , first of all , be honest. 如果我信任你，首先，你要诚实。
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