1. one - [wʌn]
2. two - [tu:]
3. three - [ˈθɜr.ti]
4. four - [ˈfɔːr]
5. five - [faɪv]
6. six - [sɪks]
7. seven - [ˈsevn]
8. eight - [eɪt]
9. nine - [naɪn]
10. ten - [ten]
11. eleven - [ɪˈlevən]
12. twelve - [ˈtwelvən]
13. thirteen - [ˈθɜr.ti.ti.ən]
14. fourteen - [ˈfɔː.ti.ən]
15. fifteen - [ˈfɪ.ti.vən]
16. sixteen - [ˈsɪ.ti.zn]
17. seventeen - [ˈse.vən.ti.ən]
18. eighteen - [ˈeɪ.ti.ti.ən]
19. nineteen - [ˈnaɪ.ti.ti.ən]
20. twenty - [ˈtwentɪ]
21. twenty-one - [ˈtwentɪ.wʌn]
以此类推，每增加10，后缀“-ty”会变化，例如：
22. twenty-two - [ˈtwentɪ.ˈtuː]
23. twenty-three - [ˈtwentɪ.ˈθɜr.ti]
24. twenty-four - [ˈtwentɪ.ˈfɔːr]
25. twenty-five - [ˈtwentɪ.ˈfaɪv]
以此类推，直到100。