He ____ (not / be) to Nebraska before 1997.
He had not been to Nebraska before 1997.
The storm ___ (destroy) the sandcastle that we ___ (build)
The storm destroyed the sandcastle that we had built
I ___ (call) his office but he ___ (already/ leave).
I called his office but he had already left.
I ___ (forget) the poem we ___ (learn) the week before.
I forgot the poem we had learned the week before.
I ___ (never/meet) anyone from California before I ___ (meet) Jim.
I had never met anyone from California before I met Jim.
I ___ (write) articles on various topics before he ___ (help) me.
I had written articles on various topics before he helped me.
I ___ (be) late for work because I ___(miss) the bus.
I was late for work because I had missed the bus.
I was sorry when the factory ___ (close). I ___ (work) there for ten years.
I was sorry when the factory closed. I had worked there for ten years.
The children ___ (collect) the apples that ___ (fall) from the tree.
The children collected the apples that had fallen from the tree.
When she ___ (go) out to play, she (do / already) her homework.
When she went out to play, she had already done her homework.
I ___ (lose) so much weight because I ___ (start) to exercise.
I lost so much weight because I had started to exercise.
She ___ (not / ride) a horse before that day.
She had not ridden a horse before that day.
We ___ (live) in the house that my father ___(build) .
We lived in the house that my father had built.
I ___ (not/go) to the cinema with my friends last night because I ___(finish / not) my homework yet.
I didn't go to the cinema with my friends last night because I had not finished my homework yet.
The waiter ___ (bring) a drink that I ___ (not / order) .
The waiter brought a drink that I had not ordered .
My friend ___ (be) in hospital because she ___(slip) on a banana skin.
My friend was in hospital because she had slipped on a banana skin.
My sixteenth birthday ___ (be) the worst day I (ever/have).
My sixteenth birthday was the worst day I had ever had.
When we ___(come) back, it was cold in the house because Alice (close / not) the windows.
When we came back, it was cold in the house because Alice had not closed the windows.
The doctor ___ (take) off the plaster that he ___ (put on) six weeks before.
The doctor took off the plaster that he had put on six weeks before.
We ___ (eat) at a restaurant last night because I ___(buy / not) anything for dinner.
We ate at a restaurant last night because I had not bought anything for dinner.
He ___ (call) Angie before he ___(visit) her in London.
He had called Angie before he visited her in London.
The teacher ___ (correct) the tests that the students ___ (solve) .
The teacher corrected the tests that the students had solved.
My brother ___ (eat) all of the cake that our mum ___ (make) .
My brother ate all of the cake that our mum had made
We ___ (not/ prepare)at all before we ___ (take) that test.
We hadn't prepared at all before we took that test.