Hi Flavio! If you know to read in Portuguese visit: http://www.gramaticaonline.com.br/ In English: http://www.learningportuguese.co.uk/ http://www.easyportuguese.com/ Podcast: http://www.portugueselingq.com/ good luck!

Hi! It´s not simple to learn the grammar of portuguese, because its full of details. I propose than you have attendance, its the better form! But the site http://www.gramaticaonline.com.br indicated is very good. Good luck!