1. is taller

2. is the tallest

3. older

4. is easier than

5. the largest

6. better

8. worse

9. is the most intelligent | nicest

10. as beautiful as

11. is faster than

12. is shorter

13. is higher | highest

14. is hotter than | the hottest

15. is easier than | the easiest

16. is more difficult than | the most difficult

17. is the most interesting

18. is more interesting

19. are better

20. is the best

21. is as easy

22. as beautiful | most beautiful

23. is more popular | is the most popular

24. is as boring

25. is more boring

26. is larger | the largest

27. is as clever | more clever

28. is more colourful than | is more colourful

29. is as clever

30. is as cold

5. the largest
6.better
7.worse
9.the most intelligent/nicest
10. the most beautiful
11.is faster than
12.is shorter than

13.is higher than/is the highest
14.is hotter/ the hottest
15. is easier than/ is the easiest
16.is more difficult/ is the most difficult
17. is the most interesting
18.is more interesting than
19..are better than
20.is the best
21.is easier than
22.as beatifully as/the most beautifully
23.is more popular than/is the most popular
24.are as boring as
25.are more boring than/ the most boring
26.is larger than/ is  the largest
27.is as clever / is more clever than
28,is as colourful as/is the most colourful
29.is as clever 
30.is as cold