基數(shù)詞的用法

(1)作主語(yǔ)

eg.Four Of them come from Paris.

(2)作賓語(yǔ)

eg.一 How many books would you like?

一I would like two.

(3)作表語(yǔ)

eg.Seven minus two is five.

(4)作定語(yǔ)

eg.There are three people in my family?

(5)作同位語(yǔ)

eg. You two will go swimming with us.

(6)表具體數(shù)字時(shí),hundred, thousand ,million用單數(shù)。

eg. There are six hundred students in our grade.

(7)表不確定的數(shù)字時(shí),數(shù)詞用 。若帶名詞，再加of。 hundreds of(數(shù)百,成百上千的),thousands of(數(shù)干,成千上萬的),millions of(數(shù)百萬)two thousand (兩千)

Thousands and thousands of people have visited the city.成千上萬的人參觀了這座城市。

(8)在一些表示“一排”或“一組”的詞組里;

eg,They arrived in two sand threes.他們?nèi)�三兩兩地來了�?/p>

(9)表示“…十”的數(shù)詞的復(fù)數(shù)可以表示人的歲數(shù)或年代。

eg. He is in his early thirties.他有三十來歲(31—34歲)：

This took place in the 1930s.這事發(fā)生在二十世紀(jì)三十年代;

(10)表示時(shí)刻

鐘點(diǎn)表達(dá)法。

順讀法(鐘點(diǎn)+分鐘) 如：4:30 four thirty 4:45 four forty-five 4:15 four fifteen 倒讀法(分鐘+to/past+鐘點(diǎn))

如：4:30 half past four

4:15 fifteen past four/a quarter past four 4:45 fifteen to five/a quarter to five

eg.I watch CCTV News at seven o’clock every evening.

(11)表示

百分?jǐn)?shù)的表達(dá)方式是：基數(shù)詞+ percent(單數(shù)形式)+of+名詞。如：

Thirty percent of the students in my class are from cities. 我班30%的學(xué)生來自城市。

About 61 percent of the surface is covered by water. 大約61%的表面被水覆蓋著。

(12) 的讀法：小數(shù)點(diǎn)讀作"point"，小數(shù)后各位數(shù)要分別讀， 小數(shù)點(diǎn)前的數(shù)若為"0"可略去不讀。

Examples： 2.468 讀作：two point four six eight

0.157 讀作：(zero)point one five seven

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