http://www.aprenderinglesfacil.es/2008/04/futuro-simple-simple-future.html
http://www.aulafacil.com/CursoIngles/Clase15.htm *
http://www.madridteacher.com/Grammar/futuro-simple.htm *
http://www.helloworld.com.es/Spanish/quick%20reference/verbs/english/futuresimple.htm
http://www.mansioningles.com/gram41.htm
http://www.idiomasgratis.com/ig_view_resource.php?html_code=ig_basico_c2_a4_p1.html
http://www.inglesunocccniztapalapa.mex.tl/5858_Futuro-Simple.html
http://www.theyellowpencil.com/gramafuturo.html