ОЧЕНЬ СРОЧНО! Помогите с английским. ОЧЕНЬ СРОЧНО!

When I (go) shopping? I (saw) my friend. I (say) "Hello!" and we (start) talking.While we (talk), a car (run into) a man on a bike. When we (see) the accident, I (phone) for an ambulance. While I (wait) for the ambulance, a policeman (arrive). He (ask) us some questions. The ambulance (come) while I (talk) to the polliceman. The ambulance (take) the man to hospital and we (go) to a cafe for a cup of coffee.