(NP-SBJ 
  (-NONE- *PRO*))
                    
(VP 
  (BA 把)
                    
  (IP 
    (NP-SBJ-1 
      (PN 我))
                    
    (VP 
      (VV 杀掉)
                    
      (NP-OBJ 
        (-NONE- *-1))))))
arg0: 
                    *pro*          
                
arg1: 
                    我 -> *-1