I`ve played tennis since I was 10.
I`ve been doing it for 40 minutes.
a) I love tennis. I have been playing tennis since I was 10.
b) This crossword is difficult. I have been doing it for 40 minutes.
I`ve played tennis since I was 10.
I`ve been doing it for 40 minutes.
a) I love tennis. I have been playing tennis since I was 10.
b) This crossword is difficult. I have been doing it for 40 minutes.