I have been...
PLAY
I HAVE BEEN PLAYING...
DRINK
i HAVEN'T BEEN DRINKING
WORK
SHE HAS BEEN WORKING ...
PLAY
HE HASN'T BEEN PLAYING ...
RUN
I HAVE BEEN RUNNING ...
HAVE
I HAVEN'T BEEN HAVING ...
WATCH
SHE HAS BEEN WATCHING
PRACTICE
HE HASN'T BEEN PRACTICING ...
DO
I HAVE BEEN DOING ...
LISTEN
I HAVEN'T BEEN LISTENING ...
OPEN
SHE HAS BEEN OPENING ...
SIT
HE HASN'T BEEN SITTING ...
EAT
I HAVE BEEN EATING ...
WAIT
I HAVEN'T BEEN WAITING ...
SLEEP
SHE HAS BEEN SLEEPING
WRITE
HE HASN'T BEEN WRITING ...
THINK
I HAVE BEEN THINKING ABOUT ...
BRING
I HAVEN'T BEEN BRINGING ...
THINK
SHA HAS BEEN THINKING ABOUT
BUY
HE HASN'T BEEN BUYING ...