在英语学习中,数字的运用是不可或缺的一部分,特别是基数词、序数词和分数词。掌握这些词汇的用法不仅能提高语言表达的准确性,还能增强句子的丰富性。基数词用于表示数量,序数词则用于表达顺序,而分数词则在数量分割中发挥作用。通过分析具体例句,我们可以更清楚地理解这些词在句子中的不同角色,以及它们如何与其他词汇和语法结构相结合。
<例句>
There were millions of blooms.
有数以百万计的花。
<语法分析>
基数词在句子中作主语,此外还可作定语、表语、同位语以及宾语或介词宾语等。序数词在句中可作定语、表语、主语、宾语或介词宾语等,序数词还可用在某些短语中。分数词由基数词和序数词构成,基数词代表分子,序数词代表分母,除了分子为1的情况外,序数词都要用复数形式。分数词可以作主语、定语、状语、宾语或介词宾语等。
<触类旁通>
(1) The river is about eighty miles long.
这条河约有八十英里长。
语法分析:基数词在句子中作定语。
(2) I read five of his novels.
我看了五本他写的小说。
语法分析:基数词作宾语。
(3) Its population is nearly three million.
它的人口数量接近三百万。
语法分析:基数词作表语。
(4) She's getting married a third time.
她将第三次结婚。
语法分析:序数词和a连用,表示“再一个”、“又一个”等。
(5) I thought that performance third-rate.
我认为那场演出是三流的。
语法分析:序数词可用在许多短语中。
(6) Mother divided the cake into thirds.
妈妈把蛋糕分成三份。
语法分析:分数词作宾语或介词宾语。
<巩固练习>
(1) There are _____[million] of books in that library.
(2) Tens of ______[thousand] of mossbacks used to roam the prairie.
(3) They arrived in twos and _____[three].
(4) A _____[two] swan flew down. Then a third and a fourth.
(5) I bought a _____ hand car.
(6) She died in her _____[fifty].
<参考答案>
(1) millions (2) thousands (3) threes (4) second (5) second (6) fifties
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