(IP-OBJ 
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (NP-TMP 
      (NT 目前))
                    
    (VP 
      (VV 应)
                    
      (VP 
        (VP 
          (VV 抓紧)
                    
          (NP-OBJ 
            (NN 时间)))
                    
        (VP 
          (PP-MNR 
            (P 以)
                    
            (NP 
              (NN 法律)
                    
              (NN 形式)))
                    
          (VP 
            (VV 落实)
                    
            (NP-OBJ 
              (CP 
                (WHNP-1 
                  (-NONE- *OP*))
                    
                (CP 
                  (IP 
                    (NP-SBJ 
                      (-NONE- *T*-1))
                    
                    (VP 
                      (ADVP 
                        (AD 以往))
                    
                      (VP 
                        (VV 达成))))
                    
                  (DEC 的)))
                    
              (NP 
                (NN 协议)))))
                    
        (PU ，)
                    
        (VP 
          (ADVP 
            (AD 同时))
                    
          (PP-DIR 
            (P 对)
                    
            (NP 
              (DP 
                (DT 某些))
                    
              (CP 
                (WHNP-2 
                  (-NONE- *OP*))
                    
                (CP 
                  (IP 
                    (NP-SBJ 
                      (-NONE- *T*-2))
                    
                    (VP 
                      (VV 遗留下)))
                    
                  (DEC 的)))
                    
              (NP 
                (NN 问题))))
                    
          (VP 
            (VV 继续)
                    
            (VP 
              (VV 进行)
                    
              (NP-OBJ 
                (ADJP 
                  (JJ 友好))
                    
                (NP 
                  (NN 谈判))))))))))
arg1: 
                    *T*-2