(IP 
  (NP-PN-SBJ 
    (NR 吴建乐))
                    
  (VP 
    (ADVP 
      (AD 就))
                    
    (VP 
      (VP 
        (NP-ADV 
          (QP 
            (CD 一))
                    
          (NP 
            (NN 头)))
                    
        (VP 
          (VV 栽进)
                    
          (NP-OBJ 
            (NN 建筑)
                    
            (NN 工地))))
                    
      (PU ，)
                    
      (VP 
        (VV 作)
                    
        (NP-OBJ 
          (CP 
            (WHNP-1 
              (-NONE- *OP*))
                    
            (CP 
              (IP 
                (NP-SBJ 
                  (-NONE- *T*-1))
                    
                (VP 
                  (VV 挑土)
                    
                  (PU 、)
                    
                  (VV 和泥)))
                    
              (DEC 的)))
                    
          (NP 
            (NN 小工)))))))
arg0: 
                    *T*-1