初中英語語法大全之數(shù)詞

編輯: 逍遙路 關(guān)鍵詞: 初中英語 來源: 高中學習網(wǎng)


  【—之數(shù)詞】數(shù)詞分為基數(shù)詞和序數(shù)詞兩種。下面就是老師為同學們帶來的對數(shù)詞的詳細講解,供同學們學習的參考。

  總結(jié)

  數(shù)詞分為基數(shù)詞和序數(shù)詞兩種;

 。ㄒ唬┗鶖(shù)詞在英語中表示數(shù)目的詞稱為基數(shù)詞。

  1.基數(shù)詞的構(gòu)成

 。1)1-20

  one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,thirteen,fourteen,fifteen,

  sixteen,seventeen,eighteen,nineteen,twenty

  (2)21-99 先說“幾十”,再說“幾”,中間加連字符。

  23→twenty-three,34→thirty-four,

 。3)101—999先說“幾百”,再加and,再加末兩位數(shù)或末位數(shù);

  586→five hundred and eighty-six,803→eight hundred and three

 。4)l,000以上,先從右往左數(shù),每三位數(shù)加一個“,”,第一個“,”前為thousand.第二個“,”前為million,第三個“,”前為billion,然后一節(jié)一節(jié)地表示。

  9,785→nine thousand, seven hundred and eighty-five

  6,260,309→six million two hundred and sixty thousand three hundred and nine

  750,000,000,000→seven hundred and fifty, billion

  2.基數(shù)詞的用法

  (1)表示數(shù)量

  Eg. 一 How many books would you like?

  一I would like two.

 。2)表示號碼

  eg.My phone number is 6887789.

 。3)表示時間

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

 。4)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)生在二十世紀三十年代;

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

  eg. There are six hundred students in our grade.

  (6)表不確定的數(shù)字時,數(shù)詞用復(fù)數(shù)。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)

  eg 。 Hundreds of old people died of cold last winter.
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