標籤:數詞

英語中數詞主要分為基數詞和序數詞兩類。

1簡介

形式
基數詞 : 表示數目的詞稱為基數詞。其形式如下:
(1).從1——10 one,two,three,four,five,six,seven,eight,nine,ten.
(2).從 11——19 eleven,twelve, thirteen, fourteen, fifteen, sixteen, seventeen,eighteen, nineteen.
這裡除 eleven, twelve, thirteen, fifteen, eighteen為特殊形式外,fourteen,sixteen,seventeen,nineteen都是由其個位數形式后添加後綴-teen構成。
(3).從 20——99 整數幾十中除twenty,thirty, forty,fifty,eighty為特殊形式外,sixty,seventy,ninety都是其個位數形式后添加後綴-ty構成。表示幾十幾時,在幾十和個位基數詞形式之間添加連字元「-」 21 twenty-one 76 seventy-six
(4).百位數個數基數詞形式加「hundred」,表示幾百,在幾十幾與百位間加上and.
101 a hundred and one 320 three hundred and twenty 648 six hundred and forty-eight
(5).千位數以上 從數字的右端向左端數起,每三位數加一個逗號「,」。從右開始,第一個「,」前的數字后添加 thousand,第二個「,」前面的數字后添加 million,第三個「,」前的數字后添加 billion。然後一節一節分別表示,兩個逗號之間最大的數為百位數形式。
2,648 two thousand six hundred and forty-eight
16,250,064 sixteen million two hundred and fifty thousand sixty-four
5,237,166,234 five billion,two hundred and thirty-seven million,one hundred and sixty-six thousand,two hundred and thirty-four
(6).基數詞在表示確切的數字時,不能使用百、千、百萬、十億的複數形式;但是,當基數詞表示不確切數字,如成百、成千上萬,三三兩兩時,基數詞則以複數形式出現。
There are hundreds of people in the hall. 大廳里有數以百計的人。
Thousands and thousands of people come to visit the Museum of Qin Terra-Cotta Warriors and Horses every day. 每天有成千上萬的人來參觀秦兵馬俑博物館。

2複數形式

有時兩個複數形式的基數詞連用可寫為: hundreds of thousands of , tens of hundreds of 等等。
They went to the theatre in twos and threes. 他們三三兩兩地來到了劇院。
(7).表示人的不確切歲數或年代,用幾十的複數形式表示。
He became a professor in his thirties. 他三十多歲時成為了教授。
She died of lung cancer in forties. 她四十來歲時死於肺癌。
It was in the 1960s. 那是在二十世紀六十年代。

3句法功能

基數詞在句中可作主語、賓語、定語、表語、同位語。
基數詞主要表示事物或人物的個數。
The two happily opened the box. 兩個人高興地打開了盒子。(作主語)
I need three altogether. 我總共需要三個。(作賓語)
Four students are playing volleyball outside. 四個學生在外面打排球。(作定語)
We are sixteen. 我們是16個人。(作表語)
They three tried to finish the task before sunset. 他們三個人儘力想在日落前完成任務。(作同位語)

4寫法

0 nought;zero;O
1 one
2 two
3 three
4 four
5 five
6 six
7 seven
8 eight
9 nine
10 ten
11 eleven
12 twelve
13 thirteen
14 fourteen
15 fifteen
16 sixteen
17 seventeen
18 eighteen
19 nineteen
20 twenty
21 twenty-one
22 twenty-two
23 twenty-three
30 thirty
32 thirty-two
40 forty
50 fifty
60 sixty
70 seventy
80 eighty
90 ninety
100 one hundred
101 one hundred and one
156 one hundred and fifty-six
192 one hundred and ninety-two
200 two hundred
300 three hundred
400 four hundred
500 five hundred
600 six hundred
700 seven hundred
800 eight hundred
900 nine hundred
1,000 one thousand
1,001 one thousand and one
1,300 thirteen hundred;one thousand and three hundred
2,000 two thousand
2,034 two thousand and thirty-four
6,502 six thousand five hundred and two
38,000 thirty-eight thousand
45,672 forty-five thousand six hundred and seventy-two
500,000 five hundred thousand
1,000,000 one million
3,123,400 three million,one hundred and twenty-three thousand four hundred
8,000,000 eight million
47,000,000 forty-seven million
900,000,000 nine hundred million
1,000,000,000 a milliard,one milliard(美作:a billion,one billion)
1,050,000,000 one billion and fifty million
10,000,000,000 ten billion
200,000,000,000 two hundred billion
1,000,000,000,000 a billion,one billion(美作:a trillion,one trillion)
6,000,000,000,000 six million milliond
(9). 表示分數時分子用基數詞,分母用序數詞:
1/3 one-third(三分之一) , 3/4 three-fourths(四分之三) , 3/37 three and three-sevenths(三十七分之三)
:one(一),two(二),ten(十),twenty(二十),one hundred(一百),two thousand(兩千),ten million(一千萬),three billion(三十億)等

相關評論

同義詞:暫無同義詞