基数词
表示数目多少或顺序先后的词叫数词。
1.基数词的构成:
1-10 one, two, three, four, five, six, seven, eight, nine, ten;
11-19 eleven, twelve, thirteen, fourteen, fifteen, sixteen,
seventeen, eighteen, nineteen;
20-90 twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety;
≥ 100
100 a/one hundred;
1,000 a/one thousand;
1,000,000 a/one million;
1, 000,000,000 a/one billion = a/one thousand million
2. 基数词的用法
1)作主语:
Three will be enough for us.
三个对我们来说就足够了。
Two of the girls are from Tokyo.
这些姑娘中有两位来自东京。
2)作宾语:
Four people applied for this job, but we only need one.
四个人申请这工作,但我们仅需一人。
3)作表语:
The population of China is over 1.3 billion.
中国有十三亿多人口。
I’m twenty while my brother is sixteen.
我二十岁,我弟弟十六岁。
4)作定语:
We have 300 workers in our company.
我们公司有三百名员工。
Forty students were involved in the interview. 四十名学生参加了这次采访。
5)作同位语:
You two clean these seats.
你们两个打扫这些位子。
Have you got tickets for us three?
有我们三个人的票吗?