This year I have done things with your family is the same as every year passed, but what's different is that he went swimming with friends for the first time.
This year I've done similar things with their families every year in the past. But what a difference it is going to play with friends for the first time.
This year I do the activity with families like every year ago. But what is different is going to play in the water with his friends for the first time.