The document provides examples of adjectives and their comparative and superlative forms to demonstrate the spelling rules for forming comparatives and superlatives in English. It shows that for adjectives ending in 'y' with a consonant before it, the 'y' changes to 'i' before adding '-er' or '-est' while for those ending in 'y' with a short vowel sound before it, only '-er' and '-est' are added.

1. What spelling rule will we use?
big

2. What spelling rule will we use?
big
big bigger biggest

3. What spelling rule will we use?
hot

4. What spelling rule will we use?
hot
hot hottesthotter

5. What spelling rule will we use?
thin

6. What spelling rule will we use?
thin
thin thinner thinnest

7. What spelling rule will we use?
heavy

8. What spelling rule will we use?
heavy
heavy heavier heaviest

9. What spelling rule will we use?
happy

10. What spelling rule will we use?
happy
happy happier happiest

11. What spelling rule will we use?
chilly

12. What spelling rule will we use?
chilly
chilly chillier chilliest

13. What spelling rule will we use?
funny

14. What spelling rule will we use?
funny
funny funniestfunnier

15. What spelling rule will we use?
crazy

16. What spelling rule will we use?
crazy
crazy craziestcrazier

17. What spelling rule will we use?
lucky

18. What spelling rule will we use?
lucky
lucky luckiestluckier

19. What spelling rule will we use?
What do we do when an
adjective ends in y?
What do we do if the
adjective has a short vowel
sound?