1. As they (walk) along the road they (hear) a car coming from behind them. Tom (turn) round and (hold) up his hand. The car (stop)
were walking, heard,turned, held, stopped
2. When l (arrive) at the station Mary (wait) for me. She (wear) a blue dress and (look) very pretty. As soon as she (see) me she (wave) her umbrella and (shout) something, but l couldn't hear what she (say) because everybody (make) such a noise.
arrived, was waiting, was wearing, looked, saw, waved, shouted, was saying, was making
3. The prisoner (escape) by climbing the wall on the garden where he (work) . He (wear) blue overalls and black shoes.
escaped, was working, was wearing
4. She said that the car (travel) at 40 k.p.h. When it (begin) to skid
was travelling, began