序数词的用法(序数词用法汇总)

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序数词的用法(序数词用法汇百思特网总)

序数词的用法在初中阶段很主要,也是测验中的高频考点,现将其用法汇总如下:

1、序数词前面一般要加“the”;

The first student to come to school is usually Jim.

2、序数词前面著名词所有格、形容词性物主代词时,不再应用“the”;

He is my first English teacher.

Li Lei's second book is old.

3、a /an+序数词+名词:

序数词前也可以应用a或an, 表现的含义是“又一,再一”,常常有语言环境;

They have two children, and next year they will have a third child.

4、竞赛或测验的名次前可省略“the”;

He was second in the exam.

5、the +序数词+最高等:序数词之后有形容词和副词时,用最高等;

The long river is the second longest river in China.

He ran the third fastest in his class.

6、分数:

母序子基 : 即分母用序数词,分子为基数词,分子大于1,分母加-s.

三分之一 one third

三分之二 two thirds

带分数: 整数+分数

two and three fourths

部分分数可以应用百思特网 half 和 quart百思特网er。

四分之一 one fourth=a quarter

四分之三 three fourths =three quarters

二分之一 one second=a half

7、日期:

5月5日

读作:May (the) fifth, the fifth of May

写作:May 5, May 5th, May the fifth, 5 May, 5th May

8、固定搭配中的序数词:

起初 at first

第一次 for the first time

首先 first of all