Comparative & Superlative forms of the adjective

If you want to review the grammar rules of the comparative and superlative forms of the adjective, you can consult some of the following websites:

http://www.ego4u.com/en/cram-up/grammar/adjectives-adverbs/adjectives

In order to practice, try some of these online exercises:

- Reinforcement activities (EASY):
http://www.montsemorales.com/gramatica/Comparative.htm
http://www.bnv-bamberg.de/home/ulrich.koch/flg/englischinteraktiv/comparisons1.htm
http://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adjectives_comparison_sentences.htm

- Extension activities (DIFFICULT):
http://www.englishexercises.org/makeagame/viewgame.asp?id=1967
http://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adjectives_comparison_sentences2.htm
http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-4296.php