Помогите пожалуйста сделать номера 2 и 3Даю 12 баллов

Ex. 2
2. Nice - the nicest
3. Slim - the slimmest
4. Expensive - the most expensive
5. Good - the best
6. Boring - the most boring
7. Bad - the worst
8. Crowded - the most crowded
9. Dirty - the dirtiest
10. Old - the oldiest
11. Interesting - the most interesting
12. Happy - the happiest

Ex.3
2 shortest
3  logest
4 highest
5 the most dangerous
6 most common
7 most expensive
8 the cheapest
9 the biggest