The plane ___(fly) over the area when the pilot ___ (see) the explorers.
saw / were flying
saw / was flying
Alvin ___ (jump) over a rock when he ____ (break) his arm.
was jumping / broke
is jumping / broke
My father_____ (have) a shower, when the post man____(arrive).
is having / arriving
was having / arrived
The rescuers ___ (look) for the lost girl, when I ___(arrive),
were looked / arriving
were looking / arrived
While they ___(sail) along the coast, there ___(be) a storm.
was sailing / is
were sailing / was