(IP 
  (NP-SBJ 
    (CP 
      (WHNP-1 
        (-NONE- *OP*))
                    
      (CP 
        (IP 
          (NP-SBJ 
            (-NONE- *T*-1))
                    
          (VP 
            (NP-TMP 
              (NT 今年)
                    
              (NT 夏天))
                    
            (VP 
              (VV 发生)
                    
              (PP 
                (P 在)
                    
                (NP 
                  (NP-PN 
                    (NR 长江)
                    
                    (CC 和)
                    
                    (NR 嫩江))
                    
                  (NP 
                    (NN 流域)))))))
                    
        (DEC 的)))
                    
    (ADJP 
      (JJ 特大))
                    
    (NP 
      (NN 洪灾)))
                    
  (VP 
    (ADVP 
      (AD 共))
                    
    (VP 
      (VV 冲毁)
                    
      (NP-OBJ 
        (NN 房屋))
                    
      (QP-EXT 
        (CD 七百三十多万)
                    
        (CLP 
          (M 间))))))
arg0: 
                    *OP* *T*-1 今年 夏天 发生 在 长江 和 嫩江 流域 的 特大 洪灾 	  
                
argM: 
                    共