When I ... (arrive), the rescuers ...(look) for the lost girl.
arrived, were looking
what/ you/ think about/ when the class/ start?
What were you thinking about when the class started?
what/ your friends/ do/ when /you/ see/ them this morning?
What were your friends doing when you saw them this morning?
We use the ............ to describe a completed action in the past.
past simple
While they ..... (sail) along the coast, there ... (be) a storm.
were sailing, was
While the children .... (play), they ....(see) a snake.
were playing, saw
what/ you/ watch/ on TV/ last night?
What did you watch on TV last night?
you/ use/ a dictionary/ while/ you/ do/ your last English homework?
Did you use a dictionary while you were doing your last English homework?
what time/ you/ go to bed/ last night?
What time did you go to bed last night?
I ... (have) an accident while I ... (drive) home.
had, was driving
I ... (see) Hannah when I ... (be) at the shopping centre.
saw, was
We use the ............ to describe an action in progress in the past, and often interrupted by another action.
past continuous
The plane ... (fly) over the area when the pilot ... (see) the explorers.
was flying, saw