PRESENT PERFECT
LEONA / KNOW / HER BEST FRIEND / 2 YEARS
LEONA HAS KNOWN HER BEST FRIEND FOR 2 YEARS
JASON / HAVE / KARATE CLASSES / SEPTEMBER
JASON HAS HAD KARATE CLASSES SINCE SEPTEMBER
MY SISTERS / PLAY / TENNIS / AN HOUR
MY SISTER HAVE PLAYED TENNIS FOR AN HOUR