基數詞

表示數目多少或順序先后的詞叫數詞。

1.基數詞的構成：

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. 基數詞的用法

1)作主語：

Three will be enough for us.

三個對我們來說就足夠了。

Two of the girls are from Tokyo.

這些姑娘中有兩位來自東京。

2)作賓語：

Four people applied for this job, but we only need one.

四個人申請這工作，但我們僅需一人。

3)作表語：

The population of China is over 1.3 billion.

中國有十三億多人口。

I’m twenty while my brother is sixteen.

我二十歲，我弟弟十六歲。

4)作定語：

We have 300 workers in our company.

我們公司有三百名員工。

Forty students were involved in the interview. 四十名學生參加了這次采訪。

5)作同位語：

You two clean these seats.

你們兩個打掃這些位子。

Have you got tickets for us three?

有我們三個人的票嗎?