1. Jane is a good friend of mine. I (know/ have known) her very well.
2. Jane is a good friend of mine. I (know/ have known) her for a long time.
3. "Sorry I'm late. How long (are you/ have you been) waiting?" "Not long. Only five minutes."
4. "How long (do you live/ have you) Jived in this house?" "About ten years"

1. know; 2. have known; 3. are you; 4. have you.

1. Jane is a good friend of mine. I know her for a long time.2. "Sorry I'm late. How long have you been waiting?" - "Not long. Only five minutes."3. "How long have you lived in this house?" - "About ten years"