what is the seven forms of the zanpakuto?

just as hollowichigo said, there are only two forms of zanpakuto other than its sealed form, shakai and bankai, none higher than the two

Well for starters you must first clarify on what you mean by "7 forms",do you mean the names of the zampakto or do you mean the actual transformations of the soul reapers?if so then there are only two so far for soul reaper's which is shikai and bankai,then there's the different forms of certain soul reaper's that have aquired hollow powers as well as an inner hollow spirit,these are called "the vaizards",the transformation of becoming a vaizard is called hollowfication.ichigo has two hollow forms and has a bankai,ne of the two hollow forms that ichigo has is when he is fighting against his inner hollow,the outside appearance of him makes him have a white encased hollow armor and he has the ability of instant regeneration,the second one he uses when battling ulquiorra in the hueco mundo arc.

thers no such thing as a seven form . thers only tow stages .where did you herd this nonsence. the highest one is the second stage and thats banki