(NP-OBJ 
  (QP 
    (CD 许多))
                    
  (CP 
    (WHNP-1 
      (-NONE- *OP*))
                    
    (CP 
      (IP 
        (NP-SBJ 
          (-NONE- *T*-1))
                    
        (VP 
          (ADVP 
            (AD 久))
                    
          (ADVP 
            (AD 未))
                    
          (VP 
            (VV 还乡))))
                    
      (DEC 的)))
                    
  (NP-PN 
    (NR 台湾))
                    
  (NP 
    (NN 同胞)))
arg0: 
                    *T*-1 
                
argm: 
                    久 
                
argm: 
                    未