- COMPARATIVES + SUPERLATIVES
http://www.englishservice.cz/download/Comparative%20Adjectives.pdf
https://agendaweb.org/grammar/comparison-worksheets-resources.html
http://www.english-area.com/paginas/comparativosE1.pdf
QUIZZES ONLINE
https://www.proprofs.com/quiz-school/story.php?title=comparative-superlative-quiz
http://anthonyhalderman.com/english/compsup.htm
http://www.eflnet.com/grammar/compadj.php