Okay, erm, just carrying on quickly  it's very hard to see how you could account for erm the stuff about reflectives and the polarity items  if you didn't have the structures of the kind you get with T one and T two on verb phrases, erm and the reason's just  erm you want that kind of a symmetry  between say Florence and herself  between their positions in the tree and no one and anyone except you can't reverse them, things like that.