思馬得英語100個句子學英語語法（17）：數(shù)詞

　　<例句>

　　There were millions of blooms.

　　有數(shù)以百萬計的花。

　　<語法分析>

　　基數(shù)詞在句子中作主語，此外還可作定語、表語、同位語以及賓語或介詞賓語等。序數(shù)詞在句中可作定語、表語、主語、賓語或介詞賓語等，序數(shù)詞還可用在某些短語中。分數(shù)詞由基數(shù)詞和序數(shù)詞構成，基數(shù)詞代表分子，序數(shù)詞代表分母，除了分子為1的情況外，序數(shù)詞都要用復數(shù)形式。分數(shù)詞可以作主語、定語、狀語、賓語或介詞賓語等。

　　<觸類旁通>

　　(1) The river is about eighty miles long.

　　這條河約有八十英里長。

　　語法分析：基數(shù)詞在句子中作定語。

　　(2) I read five of his novels.

　　我看了五本他寫的小說。

　　語法分析：基數(shù)詞作賓語。

　　(3) Its population is nearly three million.

　　它的人口數(shù)量接近三百萬。

　　語法分析：基數(shù)詞作表語。

　　(4) She's getting married a third time.

　　她將第三次結婚。

　　語法分析：序數(shù)詞和a連用，表示“再一個”、“又一個”等。

　　(5) I thought that performance third-rate.

　　我認為那場演出是三流的。

　　語法分析：序數(shù)詞可用在許多短語中。

　　(6) Mother divided the cake into thirds.

　　媽媽把蛋糕分成三份。

　　語法分析：分數(shù)詞作賓語或介詞賓語。

　　<鞏固練習>

　　(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].

　　<參考答案>

　　(1) millions (2) thousands (3) threes (4) second (5) second (6) fifties