SS tt/ tt ngắn : S + V + Adj/Adv + er + than
tt/ tt dài : S + V + more + Adj/Adv + than
-----------------
`\text{1. worse }`
-> Đặc biệt
`\text{2. more clever }`
`\text{3. more convient }`
`\text{4. farther }`
-> Đặc biệt
`\text{5. fresher }`
`\text{6. more friendly }`
`\text{7. more generous }`
`\text{8. better }`
->Đặc biệt
`\text{9. higher }`
`\text{10. less}`
Đặc biệt
`\text{11. longer }`
`\text{12.more mordern }`
`\text{13.older }`
`\text{14. more peaceful }`
`\text{15. more pettier }`
`\text{16. quiter }`
`\text{17. smatter }`
`\text{18. sooner }`
`\text{19. stronger }`
`\text{20. unglier }`
`\text{21. warmer }`
`\text{22. more wonderful }`
`\text{23. younger }`
