Hello Helen, often: for something that happens or one does frequently ,but not on a regular basis . We often go to this restaurant; they serve great food. usually: for something that happens or one does as a habit ,so it is more regular and predictable. He usually spends his vacation in Italy with his friends. always: for something that happens or one does in any case. Whatever happens , he always arrives at time .

hi , you can simply consider these percentage below as kind of help to never forget the difference : often for something u do 60 % usually for something u do 80 % always for something u do 100% and it is exactely what cherry explained before .