linguistics 36 4 1998 linguistics volume 36 4 1998 special issue developing verb category cross linguistic perspectives edited elena v lieven mouton de gruyter berlin new york elena v lieven introduction shanley allen categories within verb category learning causative inuktitut heike behrens difficult complex verbs evidence german dutch english penelope brown children first verbs tzeltal evidence early verb category soonja choi verbs early lexical syntactic development korean katherine demuth argument structure acquisition sesotho applicatives elena v lieven julian pine caroline f rowland comparing different models development english verb category michael maratsos commentary _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ mouton de gruyter walter de gruyter inc postfach 30 34 21 200 saw mill river road d10728 berlin hawthorne ny 10532 germany usa fax 49 0 30 26005351 fax 1 914 7471326 email mouton degruyter de publications de gruyter also ordered via world wide web http www degruyter com