a)tom has been living in boston ever since he has left chico state
b) i haven't seen him for 3 years
c)he has been the president of the club for 2 years
d)she just decided to move to the city
e)i've had the same roommate for 4 years
f)up until now , i still haven't found a job on campus
g)he's been a member of the basketball team for 3 years
