Ana: I'm sorry I'm late! WHILE I __________ (come) to meet you, I saw an accident. Sara: Really? Where?, was coming, came, I was walking in the park WHEN I ___________ (see) some actors on stage., was seeing, saw, They ____________ (perform) a play when I saw them., were performing, performed, One of the actors was running on the stage WHEN he __________ (fall) off., was falling, fell, Lots of people __________ (help) the actor when a doctor arrived., were helping, helped, The doctor _________ (walk) in the park when he saw the accident., was walking, walked, The doctor ___________ (try) to call an ambulance when his cell phone battery ran out., was trying, tried, I was standing near him WHEN his celphone _____________ (stop) working., was stopping, stopped, I was trying to call him WHEN the ambulance _____________ (arrive)., was arriving, arrived.

When and While

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