Past simple/Past continuous
When we were at university, we ________ (visit) our parents every weekend.
When we were at university, we visited our parents every weekend.
He ____ never ________ (fly) a plane before he went to Amsterdam.
He had never flown a plane before he went to Amsterdam.
The boys _________ (play) basketball for two hours when it __________ (start) to rain.
The boys had been playing basketball for two hours when it started to rain.
Until he ________ (travel) to the USA, he ___________ (not speak) English.
Until he travelled to the USA, he had not spoken English.
I __________ (work) in Brussels when my sister __________ (get married).
I was working in Brussels when my sister got married.
I couldn't board my flight because I _______ (forgot) my passport at home.
I couldn't board my flight because I had forgotten my passport at home.
He _______ (be) tired because he ___________ (do sport) for about an hour.
He was tired because he had been doing sport for about an hour.
While I ________ (lay the table), my parents _________ (cook) dinner.
While I was laying the table, my parents were cooking dinner.
The family was _________ (clean) the garage when suddenly the phone ___________ (ring).
The family was cleaning the garage when suddenly the phone rang.
She _________ (go) to London three times by the time she _________ (get) a job there.
She had gone to London three times by the time she got a job there.
Hong long ______________ (you/wait) for the bus until you saw it?
How long had you been waiting for the bus until you saw it?
We _________ (try) to open the door for several minutes by the time she _________ (find) her key.
We had been trying to open the door for several minutes by the time she found her key.
She __________ (sleep) when the burglar _________ (break) the window.
She was sleeping when the burglar broke the window.
I ______ (meet) them in the park after they _______ already _______ (eat lunch).
I met them in the park after they had already eaten lunch.
The hockey team _____________ (practice) for three years by the time they _____________ (go) to the winter olympics.
The hockey team had been practicing for three years by the time they went to the winter olympics.
How long ________ (you/read) this book before your sister ________ (call)?
How long had you been reading this book before your sister called?
She ____________ (plan) to be a doctor until she ___________ (not/start) to study at that medical school.
She was planning to be a doctor until she didn't start to study at that medical school.
Before they _________ (go) on the school trip to New York City, they ____________ (find out) about the things they could do there.
Before they went on the school trip to New York City, they had found out about the things they could do there.
We really ________ (need) a holiday because we _________ (work) a lot for six months.
We really needed a holiday because we had been working a lot for six months.
When Mrs Brown __________ (open) the washing machine she __________ (realise) she _________ (wash) someone else's clothes.
When Mrs Brown opened the washing machine she realised she had washed someone else's clothes.