When the phone rang, he (write) an e-mail.
was writing
Ann (broke) her arm recently.
has broken
She (sweep) the floor at the moment.
is sweeping
He (work) there for 5 years before he got promoted.
had been working
She (wait) for an hour before the train arrived.
had been waiting
After Sofie (finish) her work, she went to lunch.
had finished
The sun (set) in the west.
sets
I (visit) a friend in London yesterday.
visited
I washed the floor when the painter (go).
had gone
I (read) this book for two hours.
have been reading