作文标题: 英语学习:数词的基本用法
关 键 词: 学习 初中初三 800字
字 数: 800字作文
本文适合: 初中初三
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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/ over =more than/nearly+具体数词+metre/kilometre/kilolong / 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
序数词的基本用法
1序数词主要用作定语,前面一般要加定冠词:
Tom is their second son
They celebrated the 10th anniversary of the founding of the republic
I will never give up, not even on the 1,000th or 10,000th try
2有时前面可以加一个不定冠词来表示“再一”, “又一”这样的意思:
We’ll have to do it a second time
Shall I ask him a third time?
When I sat down, a fourth man rose to speak
3First,second 等有时可用来表示“第一个人”“第二个人”等:
She was among the first to e and settle in Dujiashan
You will be the second to speak
4如果数字较长,序数词总避免使用,而且读的方法也常常简化:
第201房间: Room 201
第319面: page 319
第一拖拉机厂:the Number I Tractor Works
第六号车厢:Carriage No6
南京路1490号:1490 Nanjing Road
电话号码55??2347:telephone number : 55—2347
5 在谈编了号的东西时,我们可以用基数词表示顺序:
the first part------part one
the third squad------squad three
the tty-third section----section tty-three