1到30的英语写法如下：
1.first 2.second 3.third 4.fourth 5.fifth 6.sixth 7.seventh 8.eighth 9.nineth 10.tenth 11.eleventh 12.twelfth 13.thirteenth 14.forteenth 15.fifteenth 16.sixteenth 17.seventeenth 18.eighteenth 19.nineteenth 20.twentith 21.twenty-first 22.twenty-second 23.twenty-third 24.twenty-fourth 25.twenty-fifth26.twenty-sixth 27.twenty-sevevth 28.twenty-eighth 29.twenty-nineth 30.thirtith