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2018年兰州小学升初中英语时态知识点总结(十)

来源:网络资源 文章作者:奥数网整理 2018-11-05 21:20:58

  数词:基数词,序数词一、基数词

  (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

  1,001→one thousand and one

  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