^ EDIT: damn you tom for saying what i said in one and a half lines... :lol:
the first line you could either tap or just play legato with your left hand (assuming your fingers stretch that much).
second bar i'd probably tap, at least the 19-14-10 bit... that's a pretty big stretch.
third line first bar i'd tap, second bar i'd play legato (though it might be easier to tap it too, considering you'd already been tapping).
not quite sure what you mean by "how would you tap it?"
I'd personally do:
19 (T)-15(P)-12(P)-17(T)-15(P)-12(P) etc.
where T is a tap and P is a pull-off.
Makes sense? Or have I misunderstood?