6.
He (told) me that he (had seen) friend the day before 7. They (had sold) the
house before they (moved) another town. to 8. I (went) into the garden to
take my bike and (found) that somebody (had stolen) it 9. When John (met)
Gloria at the party he (thought) that he (had seen) her somewhere before. 10.
When I (got) to the station, the train (had already left). 11. Yesterday I
(met) a friend of mine I (had not seen) for many years. 12. The builders
(had finished) the work by the end of the day.13. The train (had left) by the time
we (reached) the station. 14. Tom (had been) in love with Diane for a long time
before he (proposed) to her. 15. The room (looked) beautiful as she
(had changed) the furniture and the curtains.