They .................... (study) when a ball .................... (crash) into the window.

While I .................... (climb) the mountains, I .................... (break) my leg.

When the bell .................... (ring), I .................... (open) the door and .................... (see) my friend.

This time last night, she .................... (go) to sleep when she  .................... (hear) a noise in the backyard.

I .................... (watch) TV when my mum .................... (come) back home.

Lisa and John burnt themselves while they .................... (make) breakfast.

While we were lying on the beach, it .................... (start) to rain.

This morning at 10 am, I .................... (eat) brunch when my boss called me.

.................... (she, sleep) when the telephone .................... (ring) ?

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