Past simple/past perfect
"to do" in past perfect
had done
"to go" in past continuous
was going
She ________ up all night because she ________ bad news (stay/receive).
She stayed up all night because she had received bad news.
They __________ to the beach, when the police ___________ them for speeding. (drive, stop)
They were driving to the beach, when the police stopped them for speeding.
She _______ in Sweden before she _______ to Norway (live/go).
She had lived in Sweden before she went to Norway.
I ___________ my wallet while we _________to the supermarket. (lose, walk)
I lost my wallet while we were walking to the supermarket.
She_________ she __________her purse. (Not know, lost)
She didn't know that she had lost her purse.
My mother _____________ when the fire alarm suddenly __________ off. (sleep, go)
My mother was sleeping when the fire alarm suddenly went off.
After the guests_______, the kids ________the house. (Leave, clean)
After the guests had left, the kids cleaned the house.
He ____________ the bottle of wine on the floor while he was ____________ dinner. (drop, cook)
He dropped the bottle of wine on the floor while he was cooking dinner.