I (sit) ... in a cafe when you (call) ... .
was sitting, called
Tommy (watch) ... a film when he (hear) ... the noise.
was watching, heard
We (play) ... tennis when John (hurt) ... his ankle.
were playing, hurt
When I (walk) ... into the room, everyone (work) ... .
walked, was working
We (wait) ... on the platform when the train (get) ... to the station.
were waiting, got
When I (leave) ... the house, the sun (shine) ... brightly.
left, was shining
Everyone at the cafe (enjoy) ... their coffee, then the stranger (appear) ... .
was enjoying, appeared
My dog (nap) ... when I (come) ... home
was napping, came
I (study) ... for the test when the ligts (go)out
was studying, went
I (eat) ... that sandwich when I(see) a hungry swan
was eating,
