passive voice

estudiantes ingles iv-fisica
hola muchachos...aqui esta la pagina que deben revisar!
gracias

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

gradable and nongradable

advanced grammar class
sorry guys, i could not do it before cause i was bussy...but, here u have what i promised, thus u have more info about this topic
see ya!

http://www.englishclub.com/grammar/adjectives-non-gradable.htm#