If you know how to train than your question makes no sense.
click on training and choose what you ant to train.
It will tell you which positions will be trained.
play trainees at those positions in games, they need 48 minutes for full training.
Go to manage my team and you will see how trainings progessing, how many minutes of training for each player so far.
Friday morning, after 2 league games and a scrimmage (or cup game), training results will appear.
Then, do it all over again.