1. All my friends (be) glad to hear that I (pass) the examinations successfully.

2. By the time we (come) to see him, he (return) home.

3. When they (enter) the hall, the performance already (begin) . ​

1. All my friends were glad to hear that I had passed the examinations successfully.

2. By the time we came to see him, he had returned home.

3. When they entered the hall, the perfomance had already begun.