Henry ___ ___ (study) english for five years before he visited us
had studied
Mia ___ ___ the picture before the camera died
had saved
John ___ ___ (think) your idea was great
had thought
I ___ ___ (do not) my homework, so I was in troubles
hadn't done
Steve ___ ___ (write) a poem
had written
They ___ ___ just two hours when the baby woke them up
had slept
___ we ___ for long before the plane arrived?
Had/waited
They ___ ___ (teach) us how to speak english better.
had taught
John ___ ___ (go) to London two weeks before
had gone
The police ___ ___ (arrest) the thief the day before
had arrested