first (1st) 第一
second (2nd) 第二
third (3rd) 第三
fourth (4th) 第四
fifth (5th) 第五
sixth (6th) 第六
seventh (7th) 第七
eighth (8th) 第八
ninth (9th) 第九
tenth (10th) 第十
eleventh (11th) 第十一
twelfth (12th) 第十二
thirteenth (13th) 第十三
fourteenth (14th) 第十四
fifteenth (15th) 第十五
sixteenth (16th) 第十六
seventeenth (17th) 第十七
eighteenth (18th) 第十八
nineteenth (19th) 第十九
twentieth (20th) 第二十
twenty-first (21st)第二十一
twenty-second dierer(22nd)第二十二
twenty-third (23rd) 第二十三
twenty-fourth (24th)第二十四
twenty-fifth (25th)第二十五
twenty-sixth (26th) 第二十六
twenty-seventh(27th) 第二十七
twenty-eighth(28th)第二十八
twenty-ninth (29th)第二十九
thirtieth (30th) 第三十
thirty=first (31st) 第三十一
one first
two second
three.third
four.fourth
five.fifth
six.sixth
seven.seventh
eight.eighth
nine.ninth
ten.tenth
eleven.eleventh
twelve.twelfth
thirteen.thirteenth
fourteen.fourteenth
fifteen.fifteenth
sixteen.sixteenth
seventeen.seventeenth
eighteen.eighteenth
nineteen.nineteenth
twenty.twentieth
twenty-one.twenty-first
twenty-two.twenty-second
twenty-three.twenty-third
twenty-four.twenty-fourth
twenty-five.twenty-fifth
twenty-six twenty-sixth
twenty-seven.twenty-seventh
twenty-eight.twenty-eighth
twenty-nine.twenty-ninth
thirty.thirtieth
thirty-one thirty-first