1.We started living here fifteen years ago.

-We have lived here for 15 years.

2.The last time she visited me was five months ago.

- She hasn’t She hasn't visited me for 5 months.

3.I last wrote to my uncle in July

-I haven’t written to my uncle since July.

4.It’s a long time since we became close friends.

- We have been close friends for a long time.

5.Minh began to collect stamps in 2000.

- Minh has collected stamps since 2000.