英語中數(shù)詞的基本用法
來源:本站原創(chuàng) 點(diǎn)擊率: 發(fā)布: 2013-3-22
廣州新東方酷學(xué)酷玩夏令營
(一)基數(shù)詞的基本用法
1.定語
fifty thousand london dockers are out on strike.
2.主語
數(shù)詞作主語,謂語動(dòng)詞用單數(shù)。
如: two months is quite a long time.
five is an odd number.
3.賓語或介詞賓語
how many do you want? -----eight, please.
the city has a population of four million.
4.表語
we are altogether fourteen.
five plus seven is twelve.
5.同位語
what work are you to assign us three?
is there room for us two?
6.基數(shù)詞+單數(shù)名詞+形容詞構(gòu)成合成形容詞。如:一個(gè)五歲的男孩a five-year-old boy;一座800米長的橋an 800-metre-long bridge;女子400米接力girls'400-metre relay race。
7.句型:主語+is +about(大約)/ over =more than(超過)/nearly(接近)+具體數(shù)詞+metre(s)/kilometre(s)/kilo(s)long / high /tall /deep /away等。如:長江長6300公里。
the changjiang river is 6,300 kilometres long.
8.表示“。。。。。。十”的數(shù)詞的復(fù)數(shù)形式可以用來表示人的歲數(shù)或年代:
he is in his early thirties.
he died still in his forties.
this took place in the 1930s.
(二)序數(shù)詞的基本用法
1.序數(shù)詞主要用作定語,前面一般要加定冠詞(或物主代詞):
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.有時(shí)前面可以加一個(gè)不定冠詞來表示“再一”, “又一”這樣的意思:
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.
3.first,second 等有時(shí)可用來表示“第一個(gè)人(批)”“第二個(gè)人”等:
she was among the first to come and settle in dujiashan.
you will be the second to speak.
4.如果數(shù)字較長,序數(shù)詞總避免使用,而且讀的方法也常常簡化:
第201房間: room 201
第319面: page 319
第一拖拉機(jī)廠:the number i tractor works
第六號(hào)車廂:carriage no.6
南京路1490號(hào):1490 nanjing road
電話號(hào)碼55╠╠2347:telephone number : 55—2347
5. 在談編了號(hào)的東西時(shí),我們可以用基數(shù)詞表示順序:
the first part------part one
the third squad------squad three
the twenty-third section----section twenty-three
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