2017中考指导:初中英语语法大全之数词

2016-08-24 17:06:14来源:网络

  为了帮助同学们备战2017中考新东方在线中考网整理了《2017中考指导:初中英语语法大全之数词》,供大家参考。

  数词

  定义:表示数目多少或顺序多少的词叫数词,数词分为基数词和序数词。表示数目多少的数词叫基数词;表示顺序的数词叫序数词。

  I基数词

  1.基数词的构成

  (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 先说“几十”,再说“几”,中间加连字符。

  23→twenty-three,34→thirty-four,45→forty—five,56→fifty-six,67→sixty-seven,78→seventy-eight,89→eighty-nine,91→ninety-one

  (3)101—999先说“几百”,再加and,再加末两位数或末位数;

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

  (4)l,000以上,先从右往左数,每三位数加一个“,”,第一个“,”前为thousand.第二个“,”前为

  million,第三个“,”前为billion(美式)或thousand ,million(英式),然后一节一节地表示。

  1,001→one thousand and one

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

  18,423→eighteen thousand, four hundred and twenty-three

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

  750,000,000,000→seven hundred and fifty, billion(美式) seven hundred and fifty thousand million(英式)

  2.基数词的用法

  (1)作主语

  eg.Four Of them come from Paris.

  (2)作宾语

  eg.一 How many books would you like?

  一I would like two.

  (3)作表语

  eg.Seven minus two is five.

  (4)作定语

  eg.There are three people in my family•

  (5)作同位语

  eg. You two will go swimming with us.

  (6)表具体数字时,hundred, thousand ,million用单数。

  eg. There are six hundred students in our grade.

  (7)表不确定的数字时,数词用复数。若带名词,再加of。 hundreds of(数百,成百上千的),thousands of(数干,成千上万的),millions of(数百万)two thousand (两千)

  Thousands and thousands of people have visited the city.成千上万的人参观了这座城市。

微信扫码加入【初中群】免费领取

6G初中全科学习资料

更多资料
更多>>
更多内容

初中学英语资料大礼包合集

扫描下方二维码自动领取

初中资料
更多>>
更多英语课程>>