was Tom working very hard in the weekend?
he was playing soccer when he broke his leg
were you reading the newspaper when Laura arrived?
when he broke his leg, what was he playing?
no, she was not
they were preparing the dinner when Charles got home
yes, he was
yes, they were
were the children playing soccer during the week?
no, I was not
was she trying to get a new job?
when Charles got home, what were they doing?