- FIRST - ELEVENTH - TWENTY-FIRST - SECOND - TWELFTH - TWENTY-SECOND - THIRD - THIRTEENTH - TWENTY-THIRD - FOURTH - FOURTEENTH - TWENTY-FOURTH - FIFTH - FIFTEENTH - TWENTY-FIFTH - SIXTH - SIXTEEN - ……… - SEVENTH - SEVENTEENTH -...
5. Số thứ tự:
- first
- eleventh
- twenty-first
- second
- twelfth
- twenty-second
- third
- thirteenth
- twenty-third
- fourth
- fourteenth
- twenty-fourth
- fifth
- fifteenth
- twenty-fifth
- sixth
- sixteen
- ………
- seventh
- seventeenth
- …………..
- eighth
- eighteenth
- …………..
- ninth
- nineteenth
- …………..
- tenth
- twentieth
- thirtieth