英语序数词

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序数词的用法

1、序数词前一般要加定冠词the表示顺序。

E.g. The Yellow River is the second

longest river in China. (黄河是中国第二长河流)

2.序数词常用作名词的定语,但当名词前已有形容词性物主代词等限定词时,则不再用定冠词the.

her fourth birthday

3.序数词前有时也可用不定冠词a/an,这时不再表示在具体范围的“第几”,而是表示在原有基础上的“又一个,另一个”。

I think I must do it a second time(我想这件事我必须再做一次。)

4.表示编号时,常把基数词放在名词后面来表示顺序,相当于“the+序数词+名词”

Lesson five=the fifth lesson 第五课

练习、

1._____month of the year is May.

A.the second B.five C.the fifth

2.how old is Mary?

---_____.we have a special party for

her _____birthday .

A. twenty;twentieth

B.twenty;twenty

C.twentieth;twenty

3.Mr.Brown has ____children.John is

his _____son.

A.third;first B.three;one

C.three;first

4.Chrismas day is on ____of december.

A.twenty-five B.the twenty-five

C.twenty-fifth D.the twenty-fifth