(IP 
  (ADVP 
    (AD 原来))
                    
  (NP-SBJ 
    (DNP 
      (NP 
        (NN 外婆))
                    
      (DEG 的))
                    
    (NP 
      (NN 道理)))
                    
  (VP 
    (ADVP 
      (AD 早))
                    
    (ADVP 
      (AD 就))
                    
    (VP 
      (VV 唱给)
                    
      (NP-OBJ 
        (PN 我))
                    
      (IP 
        (NP-SBJ 
          (-NONE- *PRO*))
                    
        (VP 
          (VV 听))))))
arg1: 
                    外婆 的 道理 
                
arg2: 
                    我 
                
argm: 
                    就 
                
argm: 
                    早 
                
argm: 
                    原来