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数词基本用法

（一）基数词的基本用法

1.定语

Fifty thousand London dockers are out on strike.

2.主语

数词作主语，谓语动词用单数。

如： Two months is quite a long time.

Five is an odd number.

3.宾语或介词宾语

How many do you want?——Eight，please.

The city has a population of four million.

4.表语

We are altogether fourteen.

Five plus seven is twelve.

5.同位语

What work are you to assign us three?

Is there room for us two?

6.基数词+单数名词+形容词构成合成形容词。如：一个五岁的男孩a five-year-old boy;一座800米长的桥an 800-metre-long bridge;女子400米接力girls‘400-metre relay race.

7.句型：主语+is +about(大约)/ over =more than(超过)/nearly(接近)+具体数词+metre(s)/kilometre(s)/kilo(s)long / high /tall /deep /away等。如：长江长6300公里。

The Changjiang River is 6，300 kilometres long.

8.表示“……十”的数词的复数形式可以用来表示人的岁数或年代：

He is in his early thirties.

He died still in his forties.

This took place in the 1930s.