▁action ▁in ▁the ▁story line . ▁ ▁There ▁are ▁also ▁specific ity ▁effects ▁in ▁AV ▁verb - initial ▁word ▁order . ▁V OS ▁is ▁acceptable ▁when ▁the ▁non - subject ▁under go er ▁is ▁non - specific , ▁but ▁sometimes ▁considered ▁un accept able ▁if ▁the ▁under go er ▁is ▁specific . ▁The ▁same ▁is ▁true ▁for ▁definite ▁under go ers . ▁However , ▁the ▁effects ▁are ▁not ▁found ▁when ▁the ▁word - order ▁is ▁V SO ▁and ▁the ▁under go er ▁is ▁in ▁final ▁position . ▁In ▁this ▁case , ▁the ▁structure ▁is ▁gram mat ical ▁regardless ▁of ▁whether ▁the ▁under go er ▁is ▁definite / specific ▁or ▁not . ▁ ▁Top ic ▁and ▁F ocus ▁ ▁In ▁West ▁Coast ▁B aj au ▁it ▁is ▁possible ▁for ▁subjects , ▁ob li ques ▁and ▁adj unct s ▁to ▁appear ▁pre - verb ally . ▁Only ▁non - subject ▁arguments ▁cannot ▁appear ▁in ▁this ▁position . ▁Miller ▁( 2 0 0 7 : ▁ 1 9 3 ) ▁suggests ▁that ▁there ▁are ▁two ▁positions ▁pre - verb ally : ▁topic ▁and ▁focus . ▁Top ic ▁represents ▁pres upp osed ▁information ▁whilst ▁focus ▁represents ▁new ▁information . ▁In ▁both ▁AV ▁and ▁U V ▁cla uses , ▁the ▁pre ver bal ▁subjects ▁can ▁be ▁either ▁topic ▁or ▁focus . ▁Ob li ques , ▁on ▁the ▁other ▁hand , ▁are ▁always ▁focus . ▁ ▁Con sequently , ▁Miller ▁( 2 0 0 7 : ▁ 2 1 1 ) ▁anal ys es ▁the ▁clause ▁structure ▁of ▁West