I have recently gotten back into riding, and found myself afraid to use the front brake for a while. It seemed that I was quite often locking up the rear wheel. I've now, after replacing the rear pads, been using the front brake a lot more and with more confidence.
Probably the biggest thing I've been working on is to try and enter corners smoothly, without sudden additional braking efforts or down-shifts through the turn.
Good luck,
Gerry