She _____ how to swim by next summer.
will be learning
has learnt
will have learnt
is learning
She _______ medicine for nearly a decade when she finally becomes a doctor
would be studying
has studied
will have been studying
will be studying
He _____ every morning since September in preparation for the marathon
has been running
gone running
runs
is running
She _______ such a beautiful sunset before in her life
not been seeing
had never seen
not saw
's not seen
He_____ on the phone right now
be talking
talked
is talking
talks
They_________ soccer when it started raining
played
were playing
have been playing
was playing
I ____ New York several times.
was in
have visited
visit
been in
They ____ their relatives next month
would visit
be visiting
will visit
were visiting
I _________ for hours when the bus finally arrived.
was waiting
waited
be waiting
had been waiting
By the time we ___ , they had already left.
arrive
arrived
had been arriving
were arriving