Dicas de estudo pela Internet para 8º ano

8th grade:
Simple Present X Present Progressive (este site tem mais exercícios, pode fazer todos para treinar)
http://www.ego4u.com/en/cram-up/grammar/simpre-prepro
http://www.ego4u.com/en/cram-up/grammar/simpre-prepro/exercises
http://www.ego4u.com/en/cram-up/grammar/simpre-prepro/tests?test3
Comparatives X Superlatives
http://ies1libertas.edu.gva.es/departamentos/ingles/PDFs/tercero/ecomsu3e1.pdf
http://www.english4all.pro.br/L4ComparativeSuperlative.htm
http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-9451.php
Simple Past and Simple Past TO BE
http://www.inglesonline.com.br/exercicios-de-ingles/
http://www.ego4u.com/en/cram-up/grammar/simple-past
WH questions
http://www.englishexercises.org/makeagame/viewgame.asp?id=1718
http://a4esl.org/q/h/9704/dg-wh.html
Past Progressive (pode fazer todos os exercícios deste site)
http://www.ego4u.com/en/cram-up/grammar/past-progressive