I __________ (type) my report, when the electricity ____ (go) off.
I was typing my report when the electricity went off.
_____ (you/read) when the electricity _______ (go) off?
Were you reading when the electricity went off?
They _____ (cook) dinner when I arrived.
They weren't cooking dinner when I arrived.
He _____ (lose) his wallet while he _________ (jog) in the park.
He lost his wallet while he was jogging in the park.
When you _____ (arrive) at the party ____ (Isaac/dance)?
When you arrived at the party was Isaac dancing?
We ________ (carry) an umbrella when it started to rain.
We weren't carrying an umbrella when it started to rain.
Joseph __________ (study) yesterday when his cat _____ (die).
Joseph was studying yesterday when his cat died.
Who _____ (try) to open the door?
Who was trying to open the door?
Greg ________ (study) when we went to his house.
Greg wasn't studying when we went to his house.
While she _________ (cook), the telephone ______ (ring).
While she was cooking, the telephone rang.
_______ (you/take) your dog for a walk when the car _______ (crash) into the shop?
Were you taking your dog for a walk when the car crashed into the shop?
It ______ (rain) while we were playing tennis earlier.
It wasn't raining while we were playing tennis earlier.