When Frank (see) the policeman, he (put) the pen back.

They (play) with the dog when I (see) them.

When (do) you last (open) this safe?

The man (leave) the shop when the policeman (stop) him.

Our plane (fly) over Scotland when the accident (happen).

Where you (go) yesterday when I (see) you?

The teacher (correct) tests when the postman (ring) the bell.

While my sister (play) tennis, I (do) her homework.

Mandy (play) the piano while Jack (do) his homework?

Henry (finish) his newspaper while he  (wait) for the bus.

Fred (go) home and (have) a shower before he (call) his sister.

I (want) to buy some bread yesterday, but the shopkeeper not (have) any.

Jill (work) in the garden when it (begin) to rain.

When I (be) a little boy, I not (like) basketball.