Tourism is a word that is being used for the last 50 years.
has been used / has been being used
All these years I'm practising basketball, I'm tryng to become a good player.
've been practising
Nowadays, almost every disease has a cure and people have been caring more about their health.
care
When you will have bought your train tickets, you should take one each and put it into the machine.
When you've bought
Three years ago I have been to Germany on a cultural exchange.
went
In England last year, I was able to appreciate things I have never seen in my entire life..
had never seen