To make a nice even stride let your seat bones move with the horse, and remember to keep your hands and body still. The trot is a two beat pace and is the hardest for anyone to sit. There are two different ways to sit a trot you can sit or you can rise which is very hard to rise when is needed. The trot is very hard to control and should be started on a lunge line but belief me, it will come and then it will be fun. The canter is a three beat pace.
Every pace is called a stride, and vaires depending on what horse.
The canter is more easier to ride, for you have already become balanced with the trot. There are tow kinds of canter incorrect and correct with the correct the inside leg should be leading, and the opposite for inside.