direct working paper 21 development international research english commerce technology direct direct working paper 21 thompson g guerra ramos r 1995 ergativity analysis business texts aelsu university liverpool uk cepril catholic university sao paulo brazil available online http www liv ac uk tony1 direct html printed copies cost 2 50 pounds sterling 5 00 us dollars requests sent mr p berber sardinha aelsu university liverpool po box 147 liverpool l69 3bx uk