I (break) my arm when I (play) football.
I broke my arm when I was playing football.
(be) you (drive) fast when the police (stop) you?
Were you driving fast when the police stopped you?
It (snow) when we (leave) the pub.
It was snowing when we left the pub.
I (not see) the match because I (work).
I didn't see the match because I was working.
When you (call), I (talk) to my boss.
When you called, I was talking to my boss.
We (study) in Cambridge when we (meet).
We were studying in Cambridge when we met.
(be) they (live) in Rome when they (have) their first baby?
Were they living in Rome when they had their first baby?
