1. Granny had taken medicine before dinner.
2. Jane had returned books to the library before last Thursday.
3.We had known the results of the test before 2 o'clock yesterday.
4.My boss had come to the office before lunch time.
5.You had made the order before we came into the cafe.
6.Sally had sent the letters before her boss returned from the bank.
7.The ferry had reached the port by 3 o'clock yesterday.
8.The performance had finished by 8 o'clock yesterday.
9.They had built a new hospital before the end of April.
10.Max had dinner by 4 o'clock.
11.The baby had woken up before you.