(IP 
  (NP-SBJ 
    (PN 它))
                    
  (VP 
    (VV 可)
                    
    (VP 
      (VP 
        (VV 潜藏)
                    
        (PP 
          (P 于)
                    
          (LCP 
            (NP 
              (NN 网络))
                    
            (LC 中))))
                    
      (VP 
        (PP-MNR 
          (P 凭借)
                    
          (NP 
            (NN 内部)
                    
            (NN 时钟)))
                    
        (PP-TMP 
          (P 在)
                    
          (NP 
            (NT 周末)
                    
            (CC 或)
                    
            (NN 深夜)))
                    
        (ADVP 
          (AD 才))
                    
        (VP 
          (VV 开始)
                    
          (VP 
            (VV 发作)))))))
arg0: 
                    它 
                
argm: 
                    凭借 内部 时钟 
                
argm: 
                    在 周末 或 深夜 
                
argm: 
                    才