(IP 
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (IP-ADV 
      (NP-SBJ 
        (QP 
          (CD 一)
                    
          (CLP 
            (M 个)))
                    
        (NP 
          (NN 月)))
                    
      (VP 
        (VV 不到)))
                    
    (ADVP 
      (AD 就))
                    
    (VP 
      (VV 烂)
                    
      (AS 了))))
arg0: 
                    *pro* 
                
argm: 
                    就 
                
argm: 
                    一 个 月 不到