8. We started living here fifteen years ago.
We have been living here for fifteen years.

19. The last time she visited me was five years ago.
She hasn't visited me since then.

110. I last wrote to my uncle in July.
I haven't written to my uncle since July.

11. It's a long time since we became close friends.
We have been close friends for a long time.

12. Minh began to collect stamps in 2000.
Minh has been collecting stamps since 2000.

13. This is the first time he went abroad.
He hasn't been abroad before.

114. She started driving one month ago.
She has been driving for one month.