i德 The ordinal numbers from 1 to 40 in English are as follows: first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, twelfth, thirteenth , fourteenth , fifteenth , sixteenth , seventeenth , eighteenth , nineteenth , twentieth , twenty-first , twenty-second , twenty-third , twenty-fourth , twenty-fifth , twenty-sixth 、twenty-seventh、twenty-eighth、twenty-ninth、thirtieth、thirty-first、thirty -second 、thirty -third 、thirty -fourth 、thirty -fifth 、thirty -sixth 、 thirty -seventh 、 thirty -eighth and fortieth. Each of these ordinal numbers is used to indicate the order of something in a series. For example: The fortieth president of the United States is Donald Trump.
