As they __________ (watch) a commet crossed the sky.
were watching
I _____ (not talk) on the phone when you arrived.
wasn't talking
We ___ already _____ (eat) when John ______ (come) home.
We had already eaten when John came home.
George ______ (clean) his room while his mother ______ (cook) dinner.
was cleaning / was cooking
He ______ (not meet) his girlfriend while he ______(live) in London.
didn't meet / was living
When I ______(get) to the airport I discovered that I ________ (forget) my passport.
When I got to the airport I discovered I had forgotten my passport.
The children ______ (forget) their lunch at home every day last week.
forgot
I ____ (not help) my friend's mother while she ____ (recover) in hospital.
wasn't helping / was recovering
I _______ (open) my handbag to find that I _________ (forget) my credit card.
I opened my handbag to find that I had forgotten my credit card.
We ______ (talk) about the movie while we ______ (walk) home.
were talking / were walking
It ____ (not rain) yesterday morning so we decided to hang out the laundry.
didn't rain
I ________ (know) my husband for three years before we ________ (get) married.
I had known my husband for three years before we got married.
Every time I ________ (see) her I ______ (love) her more and more.
saw / loved
He ________(not go) to any museums when he _____ (visit) London.
didn't go / visited
By the time I ___________(arrive) at the station, the train _______________ (leave)
By the time I arrived at the station, the train had left.