Question

1到30的序数词是什么？

Answer 1

1到30的序数词为：

1st = first 2nd = second 3rd=third 4th=fourth。 

5th=fifth 6th=sixth 7th=seventh 8th=eighth。 

9th=ninth 10th=tenth 11th=eleventh 12th=twelfth。 

13th=thirteenth 14th=fourteenth 15th=fifteenth 16th=sixteenth。 

17th=seventeenth 18th=eighteenth 19th=nineteenth 20th=twentieth。 

21st=twenty-first 22nd=twenty-second 23rd=twenty-third 24th=twenty-fourth。

25th=twenty-fifth 26th=twenty-sixth 27th=twenty-seventh 28th=twenty-eighth。 

29th=twenty-ninth 30th=thirtieth。

扩展资料：

序数词的用法

1、当序数词前有形容词性物主代词或名词所有格修饰时，序数词前不用the。

2、当表达分数时，序数词前不用the。

3、当表达“又一，再一”时，序数词前不用the，但可加不定冠词。

4、当表达“年月日”时，序数词前不用the。

5、当序数词在句中作状语时，序数词前不用the。

6、当表达考试（赛跑等）中获得的名次时，序数词前不用the。

7、示某人的多少岁生日时，序数词前不加the。

参考资料来源：百度百科-序数词