1. The teacher had examined. 2. I remembered, I had left. 3. All my friends were, I had passed. 4. Poor Oliver lay, Sikes had left. 5. He opened, looked, tried, what had happened. 6. All the passengers saw, the old man had travelled. 7. We came, he had returned. 8. My friend visited, he had lived. 9.They entered, the performance had begun. 10. My mother told, she had received. 11. Where had you worked, you entered. 12. He had studied, he entered.