IT'S BEEN A YEAR SINCE WE BOUGHT OUR CAR
WE HAVE HAD OUR CAR FOR A YEAR
IT'S 10 YEARS SINCE I MET MARY
I HAVE KNOWN MARY FOR 10 YEARS
SUE HASN'T BEEN TO THE DOCTOR FOR A YEAR
IT'S A YEAR SINCE SUE LAST WENT TO THE DOCTOR
IT'S BEEN 3 HOURS SINCE MARY LAST SPOKE TO HER BOYFRIEND
MARY HASN'T SPOKEN TO HER BOYFRIEND FOR 3 HOURS
I HAVE BEEN STUDYING ENGLISH FOR 3 YEARS
IT'S 3 YEARS SINCE I STARTED STUDYING ENGLISH
WE HAVE HAD OUR DOG FOR 5 YEARS
IT'S BEEN 5 YEARS SINCE WE BOUGHT OUR DOG
IT'S BEEN 5 YEARS SINCE WE LAST PAINTED OUR HOUSE
WE HAVEN'T PAINTED OUR HOUSE FOR 5 YEARS
IT'S 3 YEARS SINCE I LAST WENT ABROAD
I HAVEN'T BEEN ABROAD FOR 3 YEARS
THEY HAVEN'T HAD PIZZA FOR 2 MONTHS
IT'S BEEN 2 MONTHS SINCE THEY LAST HAD PIZZA
SAM HASN'T VISITED HIS RELATIVES FOR 5 MONTHS
IT'S 5 MONTHS SINCE SAM LAST VISITED HIS RELATIVES