(CP 
  (WHPP-2 
    (-NONE- *OP*))
                    
  (CP 
    (IP 
      (NP-SBJ 
        (-NONE- *pro*))
                    
      (VP 
        (PP-TMP 
          (-NONE- *T*-2))
                    
        (NP-TMP 
          (NT 今天))
                    
        (VP 
          (VP 
            (VV 开)
                    
            (AS 着)
                    
            (NP-OBJ 
              (CP 
                (WHNP-1 
                  (-NONE- *OP*))
                    
                (CP 
                  (IP 
                    (NP-SBJ 
                      (-NONE- *T*-1))
                    
                    (VP 
                      (VV 进口)))
                    
                  (DEC 的)))
                    
              (NP-PN 
                (NR 富豪))
                    
              (NP 
                (NN 轿车))))
                    
          (VP 
            (PP-LOC 
              (P 在)
                    
              (NP 
                (NN 路边)))
                    
            (VP 
              (VV 倒车))))))
                    
    (DEC 的)))
                    
(NP 
  (NN 时候)))
arg0: 
                    *pro*          
                
argm: 
                    今天          
                
argm: 
                    *T*-2 -> 时候          
                
argm: 
                    在 路边