(IP 
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (IP-ADV 
      (NP-SBJ 
        (-NONE- *PRO*))
                    
      (VP 
        (ADVP 
          (AD 偶尔))
                    
        (VP 
          (VV 回来))))
                    
    (ADVP 
      (AD 也))
                    
    (ADVP 
      (AD 不))
                    
    (VP 
      (VV 能)
                    
      (VP 
        (VV 耕作)))))
arg0: 
                    *pro* 
                
argm: 
                    不 
                
argm: 
                    也 
                
argm: 
                    *PRO* 偶尔 回来 
                

(IP 
  (PP-TMP 
    (P 自从)
                    
    (LCP 
      (IP 
        (QP-TMP 
          (NP-PN 
            (NR 民国))
                    
          (QP 
            (OD 六十八)
                    
            (CLP 
              (M 年))))
                    
        (NP-SBJ 
          (NN 政府))
                    
        (VP 
          (PP-MNR 
            (P 以)
                    
            (NP 
              (NN 都市)
                    
              (NN 计划法)))
                    
          (PU ，)
                    
          (VP 
            (BA 将)
                    
            (IP-OBJ 
              (NP-SBJ 
                (NP-PN-APP 
                  (NR 坪林))
                    
                (DP 
                  (DT 全))
                    
                (NP 
                  (NN 乡)))
                    
              (VP 
                (VV 划为)
                    
                (NP-OBJ 
                  (NP 
                    (NP-PN 
                      (NR 台北))
                    
                    (NP 
                      (NN 水源)
                    
                      (NN 特定区)))
                    
                  (NP 
                    (NN 管制)
                    
                    (NN 范围))))))))
                    
      (LC 之後)))
                    
  (PU ，)
                    
  (NP-SBJ 
    (DNP 
      (NP-PN 
        (NR 坪林))
                    
      (DEG 的))
                    
    (NP 
      (NN 耕地)))
                    
  (VP 
    (ADVP 
      (AD 很))
                    
    (VP 
      (VA 难)
                    
      (IP-OBJ 
        (NP-SBJ 
          (-NONE- *PRO*))
                    
        (VP 
          (ADVP 
            (AD 自由))
                    
          (VP 
            (VV 耕作)))))))
arg1: 
                    *PRO* 
                
argm: 
                    自由