(NP-SBJ 
  (NN 死者)
                    
  (NN 太太))
                    
(VP 
  (NP-TMP 
    (CP 
      (WHPP-1 
        (-NONE- *OP*))
                    
      (CP 
        (IP 
          (NP-SBJ 
            (-NONE- *pro*))
                    
          (VP 
            (PP-TMP 
              (-NONE- *T*-1))
                    
            (VP 
              (VV 赶到)
                    
              (NP-OBJ 
                (NN 现场)))))
                    
        (DEC 的)))
                    
    (NP 
      (NN 时候)))
                    
  (ADVP 
    (AD 不禁))
                    
  (VP 
    (VV 放声大哭))))
arg0: 
                    死者 太太          
                
argm: 
                    赶到 现场 的 时候          
                
argm: 
                    不禁