tarea present perfect

Since I Was a Little Boy
A. Do you know Mrs. Potter?
B. Yes, I do. I’ve know her for a long time.

A. Oh, really? That’s interesting. Tell me, how long have you known her?
B. I’ve known her since I was a little boy.

A. Are you two engaged?
B. Yes, we are. We’ve been engaged for a long time.

A. Oh, really? That’s interesting. Tell me, how long have you been engaged?
B. We’ve been engaged since we finished high school.

DO AS THE EXAMPLE THESE EXERCISES: a AND b CONVERSATION
1. Does your brother play the piano?
Since he was eight years old.

2. Is your friend Victor a professional musician?
Since he finished college.