Раскройте скобки, поставив глагол в правильную видо-временную форму.
While she (talk) on the phone the children (start) fighting and (break) a window.
How long (you learn) English?
He (talk) to us for hours about all the interesting things he (do) in his life.
When I (meet) him he (work) as a waiter for a year or so.
He (stand up) and (go) to the window to look at the street.