99 Mercury Grand Marquis

So I've had a a 99 Mercury Marquis sitting in my
garage for about 2 years, I've been trying to get it to
run lately. So I've changed the fuel pump, cleaned
out the tank and put it back on and I got a new
battery, when I put the key in the ignition I can hear
the fuel pump come on and it obviously working,
and theirs power to the car, but the car doesnt turn
over at all. I need help on what I should look at
next, I want to take the starter somewhere and get
it looked at to see if it's working, but I need some
pointers as to what else I should look at to get this
car running, mind you it's been sitting in my garage
for 2 years