He (had been) a newspaper reporter before he (became) a businessman.
I (felt) a little better after I (had taken) the medicine.
I was late. The teacher had already given a quiz when I (got) to class.
The anthropologist (left) the village when she (had collected) enough data.
It was raining hard, but by the time class (was) over, the rain (had stopped)
Millions of years ago, dinosaurs (roamed) the earth, but they (had become) extinct by the time humankind first (appeared) .
I had never seen any of Picasso's paintings before I visited the art museum.
I almost missed my plane. All of the other passengers (had already boarde) by the time I (got) there.
Yesterday at a restaurant, I (saw) Pam Donnelly, an old friend of mine. I (had not seen) her in years. At first, I (did not recognize) her because she (had lost) at least fifty pounds.
We were driving along the road when we (saw) a car which (had broken) down, so we (stopped) to see if we could help.
