[Suggestion] Ashe passive change

Currently Ashe has a passive that forces her to play passive in lane to take advantage of it. It doesn't fit with the current state of her role as a marksmen that by default is suppose to auto attack both minions and champions.

I have 2 very different suggestions that could make her passive more useful than it's current state.

#1: Last hitting a minion does not break focus charging. This is the more minor change which still forces ashe to play passive, but allows her to at least farm on some level without completely rendering her passive ability null. No other change would be required, as the 3 second cooldown if you miss a last hit or poke isn't horrible, but losing focus charge every time you do what every ADC is required to do...FARM...is annoying as teemo.

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#2: Focus implies focusing on something to hit...therefore, Ashe should passively gain focus the longer she keeps sight of a target. Instead of gaining stacks for not attacking she gains stack when she is near any enemy observing their movements and habits and allowing her to predict the perfect shot. No more free crit at level 1, but you will get one eventually...also her focus should rapidly drop after a few seconds of losing sight of all enemy champions. This allows for counter play using bushes and ward control.

I love playing Ashe but i feel her passive in its current form is counter to the play style demanded by Marksmen. It feels more like a passive geared for a support, and while I do play some support Ashe, it's not generally accepted by the community as legit. A change to allow more on par aggressive play and farming with other ADC without nullifing the passives usefulness would be greatly appreciated.