Interrupted Past

While the girls were studying,

• the bell ring.

• the bell rang.

While Tom and Mary were talking,

• two cars were crashing into one another.

• two cars crashed into one another.

While the little boy was swinging on the rocking-horse,

• his mum was coming home.

• his mum came home.

While she ... TV, her mum opened the door.

• watched

• was watching

• had watched

While she ... a book, suddenly a spider appeared.

• was reading

• read

• had read

While he ... up to the tree, he felt off and injured his knee and ... crying.

• was climbing - starting

• climbed - started

• was climbing - started

While I ... TV, the doorbell ... .

• was watching / ring

• was watching / rang

• were watching / rang

Jack ... his presentation when the fire alarm ... .

• was finishing / started

• finished / was starting

• was finishing / was starting

While I ... to work, I ... an accident.

• was walking / was witnessing

• walked / witnessed

• was walking / witnessed

When I ..., my alarm clock ... .

• were waking up / rang

• was waking up / rang

• woke up / was ringing