EXERCISES
1. I had washed my hands after I had cleaned the dishes.
2. My parents were angry because John hadn’t finished his schoolwork.
3. Jane called the police because someone had broken into her house.
4. John had been an artist before he became a musician.
5. Where had you been after I saw you at the park?
6. My grandparents had known each other for a year before they got married.
7. My sister played a lot after she had finished the midterm exam.
8. How many coffees had she drunk before the interview?