1. I (to work)for a long time when my PA (to call) me. 2. Mary is full. She (to have) just ___ lunch.
3. She (to have) dinner when I (come back) home
4 He (to sing) for about twenty minutes when the lady in red (to leave) the hall
5. We (to work, not) in the garden when it (to start) raining
6. (you, to listen) to the music when he (to call)?