1. I had prepared an amazing dish for the arrival of guests.
2. You had learnt to play by ear even before you entered music school.
3. She had turned a blind eye to his past even before he proposed to her.
4. I had known him before the war.
5. He had been turning up his nose even before he defended his dissertation.
6. You had started picking on me even before you knew the whole truth.
7. We had read all the recommended books by the beginning of the school year.
8. This boy had been sitting here before we came.
9. We had bought gifts by June 27.
10. I had been worrying very much before I heard from them.
