(IP 
  (ADVP 
    (AD 但是))
                    
  (NP-SBJ 
    (PN 他))
                    
  (VP 
    (VP 
      (ADVP 
        (AD 很))
                    
      (VP 
        (VA 客气)))
                    
    (PU ，)
                    
    (VP 
      (ADVP 
        (AD 总))
                    
      (VP 
        (VV 说)
                    
        (CP-OBJ 
          (IP 
            (NP-SBJ 
              (PN 自己))
                    
            (VP 
              (ADVP 
                (AD 不))
                    
              (VP 
                (VC 是)
                    
                (NP-PRD 
                  (NN 专家)))))
                    
          (PU ，)
                    
          (CP 
            (IP 
              (NP-SBJ 
                (-NONE- *pro*))
                    
              (VP 
                (ADVP 
                  (AD 只是))
                    
                (ADVP 
                  (AD 顺便))
                    
                (VP 
                  (VP 
                    (VV 帮)
                    
                    (NP-OBJ 
                      (PN 我们)))
                    
                  (VP 
                    (VV 看)
                    
                    (ADVP 
                      (AD 一下))))))
                    
            (SP 而已)))))))
arg0: 
                    他 
                
argm: 
                    很 
                
argm: 
                    但是