how to use forming tool feature manager dialog box for making the model in attachment.
tell through video clip.
The video at the bottom of the page here may help.
http://www.solidprofessor.com/blog/index.php?p=category/ask-solidprofessor
also see this
http://help.solidworks.com/2011/English/SolidWorks/SWHelp_List.html?id=b192c3cf98684c80b04a280d9bf79384#Pg0
Check if these are helpful too:
Creating a Form Tool for Sheet Metal Parts
Making your FORM TOOL behave properly
The video at the bottom of the page here may help.
http://www.solidprofessor.com/blog/index.php?p=category/ask-solidprofessor
also see this
http://help.solidworks.com/2011/English/SolidWorks/SWHelp_List.html?id=b192c3cf98684c80b04a280d9bf79384#Pg0