No. 1, the first 1

Second, second, second

Third, third, third.

Fourth, fourth, fourth

Fifth, fifth and fifth

Sixth, sixth

Seventh, seventh

Eighth, eighth

Ninth, ninth

No. 10,No. 10

No.11 1 1

Issue 12 12 12

No. 13,No. 13

No. 14 14,No. 14

No.15 15 15

16, 16th 16

No. 17

No. 18, No.8 18

No. 19 19,No. 19

20th, 20th.

No.21,No.21No.21st

Twenty-second, twenty-second

Twenty-third, twenty-third

Twenty-fourth session

Twenty-fifth, twenty-fifth

26 th, 26 th

Twenty-seventh, twenty-seventh

Twenty-eighth, twenty-eighth

Twenty-ninth, twenty-ninth

Thirtieth

No.3 1, 3rd-1st 3 1ST

Syntactic function

Ordinal numbers can be used as subject, object, attribute and predicative in sentences.

The second one is what I really need. The second one is what I really need. (as subject)

He chose the second one (as the object)

We will carry out the first plan. We will carry out the first plan. (as an attribute)

She is the second in our class. She is the second in our class. (as a predicative)

Refer to the above content: Baidu Encyclopedia-Ordinal Number